diff --git a/constants.js b/constants.js
index 2c8fad30ef..36e15f29a8 100644
--- a/constants.js
+++ b/constants.js
@@ -205,6 +205,7 @@ const constants = {
         NON_CURRENT_TYPE: 'noncurrent',
         ORPHAN_DM_TYPE: 'orphan',
     },
+    multiObjectDeleteConcurrency: 50,
 };
 
 module.exports = constants;
diff --git a/lib/Config.js b/lib/Config.js
index 78a24d5c2e..ca6aacfd22 100644
--- a/lib/Config.js
+++ b/lib/Config.js
@@ -17,7 +17,7 @@ const { azureAccountNameRegex, base64Regex,
     allowedUtapiEventFilterFields, allowedUtapiEventFilterStates,
 } = require('../constants');
 const { utapiVersion } = require('utapi');
-
+const constants = require('../constants');
 
 // config paths
 const configSearchPaths = [
@@ -1562,6 +1562,17 @@ class Config extends EventEmitter {
 
         // Version of the configuration we're running under
         this.overlayVersion = config.overlayVersion || 0;
+
+        this.multiObjectDeleteConcurrency = constants.multiObjectDeleteConcurrency;
+        const extractedNumber = Number.parseInt(config.multiObjectDeleteConcurrency, 10);
+        if (!isNaN(extractedNumber) && extractedNumber > 0 && extractedNumber < 1000) {
+            this.multiObjectDeleteConcurrency = extractedNumber;
+        }
+
+        this.multiObjectDeleteEnableOptimizations = true;
+        if (config.multiObjectDeleteEnableOptimizations === false) {
+            this.multiObjectDeleteEnableOptimizations = false;
+        }
     }
 
     _getAuthData() {
diff --git a/lib/api/apiUtils/object/deleteObject.js b/lib/api/apiUtils/object/deleteObject.js
new file mode 100644
index 0000000000..214c5f2bc2
--- /dev/null
+++ b/lib/api/apiUtils/object/deleteObject.js
@@ -0,0 +1,18 @@
+/**
+ * _bucketRequiresOplogUpdate - DELETE an object from a bucket
+ * @param {BucketInfo} bucket - bucket object
+ * @return {boolean} whether objects require oplog updates on deletion, or not
+ */
+function _bucketRequiresOplogUpdate(bucket) {
+    // Default behavior is to require an oplog update
+    if (!bucket || !bucket.getLifecycleConfiguration || !bucket.getNotificationConfiguration) {
+        return true;
+    }
+    // If the bucket has lifecycle configuration or notification configuration
+    // set, we also require an oplog update
+    return bucket.getLifecycleConfiguration() || bucket.getNotificationConfiguration();
+}
+
+module.exports = {
+    _bucketRequiresOplogUpdate,
+};
diff --git a/lib/api/multiObjectDelete.js b/lib/api/multiObjectDelete.js
index db7f359350..c972e6af39 100644
--- a/lib/api/multiObjectDelete.js
+++ b/lib/api/multiObjectDelete.js
@@ -17,12 +17,15 @@ const { preprocessingVersioningDelete }
     = require('./apiUtils/object/versioning');
 const createAndStoreObject = require('./apiUtils/object/createAndStoreObject');
 const monitoring = require('../utilities/monitoringHandler');
-const { metadataGetObject } = require('../metadata/metadataUtils');
+const metadataUtils = require('../metadata/metadataUtils');
 const { config } = require('../Config');
 const { isRequesterNonAccountUser } = require('./apiUtils/authorization/permissionChecks');
 const { hasGovernanceBypassHeader, checkUserGovernanceBypass, ObjectLockInfo }
     = require('./apiUtils/object/objectLockHelpers');
 const requestUtils = policies.requestUtils;
+const { data } = require('../data/wrapper');
+const logger = require('../utilities/logger');
+const { _bucketRequiresOplogUpdate } = require('./apiUtils/object/deleteObject');
 
 const versionIdUtils = versioning.VersionID;
 
@@ -167,6 +170,63 @@ function _parseXml(xmlToParse, next) {
     });
 }
 
+/**
+ * decodeObjectVersion - decode object version to be deleted
+ * @param {object} entry - entry from data model
+ * @param {function} next - callback to call with error or decoded version
+ * @return {undefined}
+ **/
+function decodeObjectVersion(entry) {
+    let decodedVersionId;
+    if (entry.versionId) {
+        decodedVersionId = entry.versionId === 'null' ?
+            'null' : versionIdUtils.decode(entry.versionId);
+    }
+    if (decodedVersionId instanceof Error) {
+        return [errors.NoSuchVersion];
+    }
+    return [null, decodedVersionId];
+}
+
+/**
+ * Initialization function for the MultiObjectDelete API that will, based on the
+ * current metadata backend, assess if metadata READ batching is supported. If
+ * yes, the initialization step will call the metadataGetObjects function from
+ * the MetadataWrapper.
+ * @param {string} bucketName - bucket name
+ * @param {string []} inPlay - list of object keys still in play
+ * @param {object} log - logger object
+ * @param {function} callback - callback to call with error or list of objects
+ * @return {undefined}
+ */
+function initializeMultiObjectDeleteWithBatchingSupport(bucketName, inPlay, log, callback) {
+    if (config.multiObjectDeleteEnableOptimizations === false) {
+        return callback(null, {});
+    }
+    // If the backend supports batching, we want to optimize the API latency by
+    // first getting all the objects metadata, stored in memory, for later use
+    // in the API. This approach does not change the API architecture, but
+    // transplants an additional piece of code that can greatly improve the API
+    // latency when the database supports batching.
+    const objectKeys = Object.values(inPlay).map(entry => {
+        const [err, versionId] = decodeObjectVersion(entry, bucketName);
+        if (err) {
+            return null;
+        }
+        return {
+            versionId,
+            inPlay: entry,
+        };
+    });
+    return metadataUtils.metadataGetObjects(bucketName, objectKeys, log, (err, cache) => {
+        // This optional step is read-only, so any error can be safely ignored
+        if (err) {
+            return callback(null, {});
+        }
+        return callback(null, cache);
+    });
+}
+
 /**
 * gets object metadata and deletes object
 * @param {AuthInfo} authInfo - Instance of AuthInfo class with requester's info
@@ -192,34 +252,18 @@ function getObjMetadataAndDelete(authInfo, canonicalID, request,
     let numOfObjectsRemoved = 0;
     const skipError = new Error('skip');
     const objectLockedError = new Error('object locked');
+    let deleteFromStorage = [];
 
-    // doing 5 requests at a time. note that the data wrapper
-    // will do 5 parallel requests to data backend to delete parts
-    return async.forEachLimit(inPlay, 5, (entry, moveOn) => {
-        async.waterfall([
-            callback => {
-                let decodedVersionId;
-                if (entry.versionId) {
-                    decodedVersionId = entry.versionId === 'null' ?
-                        'null' : versionIdUtils.decode(entry.versionId);
-                }
-                if (decodedVersionId instanceof Error) {
-                    monitoring.promMetrics('DELETE', bucketName, 404,
-                        'multiObjectDelete');
-                    return callback(errors.NoSuchVersion);
-                }
-                return callback(null, decodedVersionId);
-            },
-            // for obj deletes, no need to check acl's at object level
-            // (authority is at the bucket level for obj deletes)
-            (versionId, callback) => metadataGetObject(bucketName, entry.key,
-                versionId, log, (err, objMD) => {
-                    // if general error from metadata return error
-                    if (err) {
-                        monitoring.promMetrics('DELETE', bucketName, err.code,
-                            'multiObjectDelete');
-                        return callback(err);
-                    }
+    return async.waterfall([
+        callback => initializeMultiObjectDeleteWithBatchingSupport(bucketName, inPlay, log, callback),
+        (cache, callback) => async.forEachLimit(inPlay, config.multiObjectDeleteConcurrency, (entry, moveOn) => {
+            async.waterfall([
+                callback => callback(...decodeObjectVersion(entry, bucketName)),
+                // for obj deletes, no need to check acl's at object level
+                // (authority is at the bucket level for obj deletes)
+                (versionId, callback) => metadataUtils.metadataGetObject(bucketName, entry.key,
+                    versionId, cache, log, (err, objMD) => callback(err, objMD, versionId)),
+                (objMD, versionId, callback) => {
                     if (!objMD) {
                         const verCfg = bucket.getVersioningConfiguration();
                         // To adhere to AWS behavior, create a delete marker
@@ -227,7 +271,7 @@ function getObjMetadataAndDelete(authInfo, canonicalID, request,
                         // when versioning has been configured
                         if (verCfg && !entry.versionId) {
                             log.debug('trying to delete specific version ' +
-                            ' that does not exist');
+                                'that does not exist');
                             return callback(null, objMD, versionId);
                         }
                         // otherwise if particular key does not exist, AWS
@@ -243,113 +287,160 @@ function getObjMetadataAndDelete(authInfo, canonicalID, request,
                         objMD.location[0].deleteVersion = true;
                     }
                     return callback(null, objMD, versionId);
-                }),
-            (objMD, versionId, callback) => {
-                // AWS only returns an object lock error if a version id
-                // is specified, else continue to create a delete marker
-                if (!versionId || !bucket.isObjectLockEnabled()) {
-                    return callback(null, null, objMD, versionId);
-                }
-                const hasGovernanceBypass = hasGovernanceBypassHeader(request.headers);
-                if (hasGovernanceBypass && isRequesterNonAccountUser(authInfo)) {
-                    return checkUserGovernanceBypass(request, authInfo, bucket, entry.key, log, error => {
-                        if (error && error.is.AccessDenied) {
-                            log.debug('user does not have BypassGovernanceRetention and object is locked', { error });
-                            return callback(objectLockedError);
+                },
+                (objMD, versionId, callback) => {
+                    // AWS only returns an object lock error if a version id
+                    // is specified, else continue to create a delete marker
+                    if (!versionId || !bucket.isObjectLockEnabled()) {
+                        return callback(null, null, objMD, versionId);
+                    }
+                    const hasGovernanceBypass = hasGovernanceBypassHeader(request.headers);
+                    if (hasGovernanceBypass && isRequesterNonAccountUser(authInfo)) {
+                        return checkUserGovernanceBypass(request, authInfo, bucket, entry.key, log, error => {
+                            if (error && error.is.AccessDenied) {
+                                log.debug('user does not have BypassGovernanceRetention and object is locked',
+                                    { error });
+                                return callback(objectLockedError);
+                            }
+                            if (error) {
+                                return callback(error);
+                            }
+                            return callback(null, hasGovernanceBypass, objMD, versionId);
+                        });
+                    }
+                    return callback(null, hasGovernanceBypass, objMD, versionId);
+                },
+                (hasGovernanceBypass, objMD, versionId, callback) => {
+                    // AWS only returns an object lock error if a version id
+                    // is specified, else continue to create a delete marker
+                    if (!versionId || !bucket.isObjectLockEnabled()) {
+                        return callback(null, objMD, versionId);
+                    }
+                    const objLockInfo = new ObjectLockInfo({
+                        mode: objMD.retentionMode,
+                        date: objMD.retentionDate,
+                        legalHold: objMD.legalHold || false,
+                    });
+
+                    // If the object can not be deleted raise an error
+                    if (!objLockInfo.canModifyObject(hasGovernanceBypass)) {
+                        log.debug('trying to delete locked object');
+                        return callback(objectLockedError);
+                    }
+
+                    return callback(null, objMD, versionId);
+                },
+                (objMD, versionId, callback) => {
+                    const options = preprocessingVersioningDelete(
+                        bucketName, bucket, objMD, versionId, config.nullVersionCompatMode);
+                    const deleteInfo = {};
+                    if (options && options.deleteData) {
+                        deleteInfo.deleted = true;
+                        if (!_bucketRequiresOplogUpdate(bucket)) {
+                            options.doesNotNeedOpogUpdate = true;
                         }
-                        if (error) {
-                            return callback(error);
+                        if (objMD.uploadId) {
+                            // eslint-disable-next-line
+                            options.replayId = objMD.uploadId;
                         }
-                        return callback(null, hasGovernanceBypass, objMD, versionId);
-                    });
+                        return services.deleteObject(bucketName, objMD,
+                            entry.key, options, config.multiObjectDeleteEnableOptimizations, log, (err, toDelete) => {
+                                if (err) {
+                                    return callback(err);
+                                }
+                                if (toDelete) {
+                                    deleteFromStorage = deleteFromStorage.concat(toDelete);
+                                }
+                                return callback(null, objMD, deleteInfo);
+                            });
+                    }
+                    deleteInfo.newDeleteMarker = true;
+                    // This call will create a delete-marker
+                    return createAndStoreObject(bucketName, bucket, entry.key,
+                        objMD, authInfo, canonicalID, null, request,
+                        deleteInfo.newDeleteMarker, null, log, (err, result) =>
+                        callback(err, objMD, deleteInfo, result.versionId));
+                },
+            ], (err, objMD, deleteInfo, versionId) => {
+                if (err === skipError) {
+                    return moveOn();
+                } else if (err === objectLockedError) {
+                    errorResults.push({ entry, error: errors.AccessDenied, objectLocked: true });
+                    return moveOn();
+                } else if (err) {
+                    log.error('error deleting object', { error: err, entry });
+                    errorResults.push({ entry, error: err });
+                    return moveOn();
                 }
-                return callback(null, hasGovernanceBypass, objMD, versionId);
-            },
-            (hasGovernanceBypass, objMD, versionId, callback) => {
-                // AWS only returns an object lock error if a version id
-                // is specified, else continue to create a delete marker
-                if (!versionId || !bucket.isObjectLockEnabled()) {
-                    return callback(null, objMD, versionId);
+                if (deleteInfo.deleted && objMD['content-length']) {
+                    numOfObjectsRemoved++;
+                    totalContentLengthDeleted += objMD['content-length'];
+                }
+                let isDeleteMarker;
+                let deleteMarkerVersionId;
+                // - If trying to delete an object that does not exist (if a new
+                // delete marker was created)
+                // - Or if an object exists but no version was specified
+                // return DeleteMarkerVersionId equals the versionID of the marker
+                // you just generated and DeleteMarker tag equals true
+                if (deleteInfo.newDeleteMarker) {
+                    isDeleteMarker = true;
+                    deleteMarkerVersionId = versionIdUtils.encode(
+                        versionId, config.versionIdEncodingType);
+                    // In this case we are putting a new object (i.e., the delete
+                    // marker), so we decrement the numOfObjectsRemoved value.
+                    numOfObjectsRemoved--;
+                    // If trying to delete a delete marker, DeleteMarkerVersionId equals
+                    // deleteMarker's versionID and DeleteMarker equals true
+                } else if (objMD && objMD.isDeleteMarker) {
+                    isDeleteMarker = true;
+                    deleteMarkerVersionId = entry.versionId;
                 }
-                const objLockInfo = new ObjectLockInfo({
-                    mode: objMD.retentionMode,
-                    date: objMD.retentionDate,
-                    legalHold: objMD.legalHold || false,
+                successfullyDeleted.push({
+                    entry, isDeleteMarker,
+                    deleteMarkerVersionId,
                 });
+                return moveOn();
+            });
+        },
+            // end of forEach func
+            err => {
+                // Batch delete all objects
+                const onDone = () => callback(err, quietSetting, errorResults, numOfObjectsRemoved,
+                    successfullyDeleted, totalContentLengthDeleted, bucket);
 
-                // If the object can not be deleted raise an error
-                if (!objLockInfo.canModifyObject(hasGovernanceBypass)) {
-                    log.debug('trying to delete locked object');
-                    return callback(objectLockedError);
+                if (err && deleteFromStorage.length === 0) {
+                    log.trace('no objects to delete from data backend');
+                    return onDone();
                 }
+                // If error but we have objects in the list, delete them to ensure
+                // consistent state.
+                log.trace('deleting objects from data backend');
 
-                return callback(null, objMD, versionId);
-            },
-            (objMD, versionId, callback) => {
-                const options = preprocessingVersioningDelete(
-                    bucketName, bucket, objMD, versionId, config.nullVersionCompatMode);
-                const deleteInfo = {};
-                if (options && options.deleteData) {
-                    deleteInfo.deleted = true;
-                    if (objMD.uploadId) {
-                        // eslint-disable-next-line
-                        options.replayId = objMD.uploadId;
-                    }
-                    return services.deleteObject(bucketName, objMD,
-                        entry.key, options, log, err =>
-                        callback(err, objMD, deleteInfo));
+                // Split the array into chunks
+                const chunks = [];
+                while (deleteFromStorage.length > 0) {
+                    chunks.push(deleteFromStorage.splice(0, config.multiObjectDeleteConcurrency));
                 }
-                deleteInfo.newDeleteMarker = true;
-                // This call will create a delete-marker
-                return createAndStoreObject(bucketName, bucket, entry.key,
-                    objMD, authInfo, canonicalID, null, request,
-                    deleteInfo.newDeleteMarker, null, log, (err, result) =>
-                    callback(err, objMD, deleteInfo, result.versionId));
-            },
-        ], (err, objMD, deleteInfo, versionId) => {
-            if (err === skipError) {
-                return moveOn();
-            } else if (err === objectLockedError) {
-                errorResults.push({ entry, error: errors.AccessDenied, objectLocked: true });
-                return moveOn();
-            } else if (err) {
-                log.error('error deleting object', { error: err, entry });
-                errorResults.push({ entry, error: err });
-                return moveOn();
-            }
-            if (deleteInfo.deleted && objMD['content-length']) {
-                numOfObjectsRemoved++;
-                totalContentLengthDeleted += objMD['content-length'];
-            }
-            let isDeleteMarker;
-            let deleteMarkerVersionId;
-            // - If trying to delete an object that does not exist (if a new
-            // delete marker was created)
-            // - Or if an object exists but no version was specified
-            // return DeleteMarkerVersionId equals the versionID of the marker
-            // you just generated and DeleteMarker tag equals true
-            if (deleteInfo.newDeleteMarker) {
-                isDeleteMarker = true;
-                deleteMarkerVersionId = versionIdUtils.encode(versionId);
-                // In this case we are putting a new object (i.e., the delete
-                // marker), so we decrement the numOfObjectsRemoved value.
-                numOfObjectsRemoved--;
-            // If trying to delete a delete marker, DeleteMarkerVersionId equals
-            // deleteMarker's versionID and DeleteMarker equals true
-            } else if (objMD && objMD.isDeleteMarker) {
-                isDeleteMarker = true;
-                deleteMarkerVersionId = entry.versionId;
-            }
-            successfullyDeleted.push({ entry, isDeleteMarker,
-                deleteMarkerVersionId });
-            return moveOn();
-        });
-    },
-    // end of forEach func
-    err => {
-        log.trace('finished deleting objects', { numOfObjectsRemoved });
-        return next(err, quietSetting, errorResults, numOfObjectsRemoved,
-            successfullyDeleted, totalContentLengthDeleted, bucket);
+
+                return async.each(chunks, (chunk, done) => data.batchDelete(chunk, null, null,
+                    logger.newRequestLoggerFromSerializedUids(log.getSerializedUids()), done),
+                    err => {
+                        if (err) {
+                            log.error('error deleting objects from data backend', { error: err });
+                            return onDone(err);
+                        }
+                        return onDone();
+                    });
+            }),
+    ], (err, ...results) => {
+        // if general error from metadata return error
+        if (err) {
+            monitoring.promMetrics('DELETE', bucketName, err.code,
+                'multiObjectDelete');
+            return next(err);
+        }
+        return next(null, ...results);
     });
 }
 
@@ -576,4 +667,6 @@ function multiObjectDelete(authInfo, request, log, callback) {
 module.exports = {
     getObjMetadataAndDelete,
     multiObjectDelete,
+    decodeObjectVersion,
+    initializeMultiObjectDeleteWithBatchingSupport,
 };
diff --git a/lib/api/objectDelete.js b/lib/api/objectDelete.js
index 02dd038f25..a325a1258c 100644
--- a/lib/api/objectDelete.js
+++ b/lib/api/objectDelete.js
@@ -14,6 +14,7 @@ const { hasGovernanceBypassHeader, checkUserGovernanceBypass, ObjectLockInfo }
     = require('./apiUtils/object/objectLockHelpers');
 const { isRequesterNonAccountUser } = require('./apiUtils/authorization/permissionChecks');
 const { config } = require('../Config');
+const { _bucketRequiresOplogUpdate } = require('./apiUtils/object/deleteObject');
 
 const versionIdUtils = versioning.VersionID;
 const objectLockedError = new Error('object locked');
@@ -191,8 +192,12 @@ function objectDelete(authInfo, request, log, cb) {
                     delOptions.replayId = objectMD.uploadId;
                 }
 
+                if (!_bucketRequiresOplogUpdate(bucketMD)) {
+                    delOptions.doesNotNeedOpogUpdate = true;
+                }
+
                 return services.deleteObject(bucketName, objectMD, objectKey,
-                    delOptions, log, (err, delResult) => next(err, bucketMD,
+                    delOptions, false, log, (err, delResult) => next(err, bucketMD,
                     objectMD, delResult, deleteInfo));
             }
             // putting a new delete marker
diff --git a/lib/metadata/metadataUtils.js b/lib/metadata/metadataUtils.js
index d931d5d5c9..ef93f24b23 100644
--- a/lib/metadata/metadataUtils.js
+++ b/lib/metadata/metadataUtils.js
@@ -60,13 +60,18 @@ function getNullVersionFromMaster(bucketName, objectKey, log, cb) {
  * @param {string} bucketName - name of bucket
  * @param {string} objectKey - name of object key
  * @param {string} [versionId] - version of object to retrieve
+ * @param {object} cachedDocuments - cached version of the documents used for
+ *                                   abstraction purposes
  * @param {RequestLogger} log - request logger
  * @param {function} cb - callback
  * @return {undefined} - and call callback with err, bucket md and object md
  */
-function metadataGetObject(bucketName, objectKey, versionId, log, cb) {
+function metadataGetObject(bucketName, objectKey, versionId, cachedDocuments, log, cb) {
     // versionId may be 'null', which asks metadata to fetch the null key specifically
     const options = { versionId, getDeleteMarker: true };
+    if (cachedDocuments && cachedDocuments[objectKey]) {
+        return cb(null, cachedDocuments[objectKey]);
+    }
     return metadata.getObjectMD(bucketName, objectKey, options, log,
         (err, objMD) => {
             if (err) {
@@ -84,6 +89,40 @@ function metadataGetObject(bucketName, objectKey, versionId, log, cb) {
         });
 }
 
+/** metadataGetObjects - retrieves specified object or version from metadata. This
+ * method uses cursors, hence is only compatible with a MongoDB DB backend.
+ * @param {string} bucketName - name of bucket
+ * @param {string} objectsKeys - name of object key
+ * @param {RequestLogger} log - request logger
+ * @param {function} cb - callback
+ * @return {undefined} - and call callback with err, bucket md and object md
+ */
+function metadataGetObjects(bucketName, objectsKeys, log, cb) {
+    const options = { getDeleteMarker: true };
+    const objects = objectsKeys.map(objectKey => ({
+        key: objectKey ? objectKey.inPlay.key : null,
+        params: options,
+        versionId: objectKey ? objectKey.versionId : null,
+    }));
+
+    // Returned objects are following the following format: { key, doc, versionId }
+    // That is required with batching to properly map the objects
+    return metadata.getObjectsMD(bucketName, objects, log, (err, objMds) => {
+        if (err) {
+            log.debug('error getting objects MD from metadata', { error: err });
+            return cb(err);
+        }
+
+        const result = {};
+        objMds.forEach(objMd => {
+            if (objMd.doc) {
+                result[`${objMd.doc.key}${objMd.versionId}`] = objMd.doc;
+            }
+        });
+
+        return cb(null, result);
+    });
+}
 /**
  * Validate that a bucket is accessible and authorized to the user,
  * return a specific error code otherwise
@@ -215,6 +254,7 @@ function metadataValidateBucket(params, log, callback) {
 module.exports = {
     validateBucket,
     metadataGetObject,
+    metadataGetObjects,
     metadataValidateBucketAndObj,
     metadataValidateBucket,
 };
diff --git a/lib/routes/routeBackbeat.js b/lib/routes/routeBackbeat.js
index 89355f6f12..8182ec3e14 100644
--- a/lib/routes/routeBackbeat.js
+++ b/lib/routes/routeBackbeat.js
@@ -937,7 +937,7 @@ function putObjectTagging(request, response, log, callback) {
     // retrieve it from metadata here.
     if (dataStoreVersionId === '') {
         return metadataGetObject(sourceBucket, request.objectKey,
-            sourceVersionId, log, (err, objMD) => {
+            sourceVersionId, null, log, (err, objMD) => {
                 if (err) {
                     return callback(err);
                 }
@@ -969,7 +969,7 @@ function deleteObjectTagging(request, response, log, callback) {
     // retrieve it from metadata here.
     if (dataStoreVersionId === '') {
         return metadataGetObject(sourceBucket, request.objectKey,
-            sourceVersionId, log, (err, objMD) => {
+            sourceVersionId, null, log, (err, objMD) => {
                 if (err) {
                     return callback(err);
                 }
diff --git a/lib/services.js b/lib/services.js
index 1573648b88..e7ab8268ce 100644
--- a/lib/services.js
+++ b/lib/services.js
@@ -306,11 +306,13 @@ const services = {
      * @param {string} objectKey - object key name
      * @param {object} options - other instructions, such as { versionId } to
      *                           delete a specific version of the object
+     * @param {boolean} deferLocationDeletion - true if the object should not
+     * be removed from the storage, but be returned instead.
      * @param {Log} log - logger instance
      * @param {function} cb - callback from async.waterfall in objectGet
      * @return {undefined}
      */
-    deleteObject(bucketName, objectMD, objectKey, options, log, cb) {
+    deleteObject(bucketName, objectMD, objectKey, options, deferLocationDeletion, log, cb) {
         log.trace('deleting object from bucket');
         assert.strictEqual(typeof bucketName, 'string');
         assert.strictEqual(typeof objectMD, 'object');
@@ -327,12 +329,19 @@ const services = {
                             log.getSerializedUids());
                     if (objectMD.location === null) {
                         return cb(null, res);
-                    } else if (!Array.isArray(objectMD.location)) {
+                    }
+
+                    if (deferLocationDeletion) {
+                        return cb(null, Array.isArray(objectMD.location)
+                            ? objectMD.location : [objectMD.location]);
+                    }
+
+                    if (!Array.isArray(objectMD.location)) {
                         data.delete(objectMD.location, deleteLog);
                         return cb(null, res);
                     }
-                    return data.batchDelete(objectMD.location, null, null,
-                    deleteLog, err => {
+
+                    return data.batchDelete(objectMD.location, null, null, deleteLog, err => {
                         if (err) {
                             return cb(err);
                         }
diff --git a/package.json b/package.json
index 68edde3feb..f1464344f8 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
   "dependencies": {
     "@azure/storage-blob": "^12.12.0",
     "@hapi/joi": "^17.1.0",
-    "arsenal": "git+https://github.com/scality/arsenal#8.1.98",
+    "arsenal": "git+https://github.com/scality/arsenal#8.1.104",
     "async": "~2.5.0",
     "aws-sdk": "2.905.0",
     "bucketclient": "scality/bucketclient#8.1.9",
diff --git a/tests/unit/api/multiObjectDelete.js b/tests/unit/api/multiObjectDelete.js
index f9bc9831de..470aab29a0 100644
--- a/tests/unit/api/multiObjectDelete.js
+++ b/tests/unit/api/multiObjectDelete.js
@@ -1,17 +1,19 @@
 const assert = require('assert');
 const { errors, storage } = require('arsenal');
 
-const { getObjMetadataAndDelete }
+const { decodeObjectVersion, getObjMetadataAndDelete, initializeMultiObjectDeleteWithBatchingSupport }
     = require('../../../lib/api/multiObjectDelete');
+const multiObjectDelete = require('../../../lib/api/multiObjectDelete');
 const { cleanup, DummyRequestLogger, makeAuthInfo } = require('../helpers');
 const DummyRequest = require('../DummyRequest');
 const { bucketPut } = require('../../../lib/api/bucketPut');
 const objectPut = require('../../../lib/api/objectPut');
+const log = new DummyRequestLogger();
 
 const { metadata } = storage.metadata.inMemory.metadata;
 const { ds } = storage.data.inMemory.datastore;
+const sinon = require('sinon');
 
-const log = new DummyRequestLogger();
 const canonicalID = 'accessKey1';
 const authInfo = makeAuthInfo(canonicalID);
 const namespace = 'default';
@@ -20,6 +22,8 @@ const postBody = Buffer.from('I am a body', 'utf8');
 const contentLength = 2 * postBody.length;
 const objectKey1 = 'objectName1';
 const objectKey2 = 'objectName2';
+const metadataUtils = require('../../../lib/metadata/metadataUtils');
+const services = require('../../../lib/services');
 const testBucketPutRequest = new DummyRequest({
     bucketName,
     namespace,
@@ -69,6 +73,10 @@ describe('getObjMetadataAndDelete function for multiObjectDelete', () => {
         });
     });
 
+    afterEach(() => {
+        sinon.restore();
+    });
+
     it('should successfully get object metadata and then ' +
         'delete metadata and data', done => {
         getObjMetadataAndDelete(authInfo, 'foo', request, bucketName, bucket,
@@ -185,4 +193,139 @@ describe('getObjMetadataAndDelete function for multiObjectDelete', () => {
                 done();
             });
     });
+
+    it('should properly batch delete data even if there are errors in other objects', done => {
+        const deleteObjectStub = sinon.stub(services, 'deleteObject');
+        deleteObjectStub.onCall(0).callsArgWith(6, errors.InternalError);
+        deleteObjectStub.onCall(1).callsArgWith(6, null);
+
+        getObjMetadataAndDelete(authInfo, 'foo', request, bucketName, bucket,
+        true, [], [{ key: objectKey1 }, { key: objectKey2 }], log,
+        (err, quietSetting, errorResults, numOfObjects,
+            successfullyDeleted, totalContentLengthDeleted) => {
+            assert.ifError(err);
+            assert.strictEqual(quietSetting, true);
+            assert.deepStrictEqual(errorResults, [
+                {
+                    entry: {
+                        key: objectKey1,
+                    },
+                    error: errors.InternalError,
+                },
+            ]);
+            assert.strictEqual(numOfObjects, 1);
+            assert.strictEqual(totalContentLengthDeleted, contentLength / 2);
+            // Expect still in memory as we stubbed the function
+            assert.strictEqual(metadata.keyMaps.get(bucketName).has(objectKey1), true);
+            assert.strictEqual(metadata.keyMaps.get(bucketName).has(objectKey2), true);
+            // ensure object 2 only is in the list of successful deletions
+            assert.strictEqual(successfullyDeleted.length, 1);
+            assert.deepStrictEqual(successfullyDeleted[0].entry.key, objectKey2);
+            return done();
+        });
+    });
+});
+
+describe('initializeMultiObjectDeleteWithBatchingSupport', () => {
+    let bucketName;
+    let inPlay;
+    let log;
+    let callback;
+
+    beforeEach(() => {
+        bucketName = 'myBucket';
+        inPlay = { one: 'object1', two: 'object2' };
+        log = {};
+        callback = sinon.spy();
+    });
+
+    afterEach(() => {
+        sinon.restore();
+    });
+
+    it('should not throw if the decodeObjectVersion function fails', done => {
+        const metadataGetObjectsStub = sinon.stub(metadataUtils, 'metadataGetObjects').yields(null, {});
+        sinon.stub(multiObjectDelete, 'decodeObjectVersion').returns([new Error('decode error')]);
+
+        initializeMultiObjectDeleteWithBatchingSupport(bucketName, inPlay, log, callback);
+
+        assert.strictEqual(metadataGetObjectsStub.callCount, 1);
+        sinon.assert.calledOnce(callback);
+        assert.strictEqual(callback.getCall(0).args[0], null);
+        assert.deepStrictEqual(callback.getCall(0).args[1], {});
+        done();
+    });
+
+    it('should call the batching method if the backend supports it', done => {
+        const metadataGetObjectsStub = sinon.stub(metadataUtils, 'metadataGetObjects').yields(null, {});
+        const objectVersion = 'someVersionId';
+        sinon.stub(multiObjectDelete, 'decodeObjectVersion').returns([null, objectVersion]);
+
+        initializeMultiObjectDeleteWithBatchingSupport(bucketName, inPlay, log, callback);
+
+        assert.strictEqual(metadataGetObjectsStub.callCount, 1);
+        sinon.assert.calledOnce(callback);
+        assert.strictEqual(callback.getCall(0).args[0], null);
+        done();
+    });
+
+    it('should not return an error if the metadataGetObjects function fails', done => {
+        const metadataGetObjectsStub =
+            sinon.stub(metadataUtils, 'metadataGetObjects').yields(new Error('metadata error'), null);
+        const objectVersion = 'someVersionId';
+        sinon.stub(multiObjectDelete, 'decodeObjectVersion').returns([null, objectVersion]);
+
+        initializeMultiObjectDeleteWithBatchingSupport(bucketName, inPlay, log, callback);
+
+        assert.strictEqual(metadataGetObjectsStub.callCount, 1);
+        sinon.assert.calledOnce(callback);
+        assert.strictEqual(callback.getCall(0).args[0] instanceof Error, false);
+        assert.deepStrictEqual(callback.getCall(0).args[1], {});
+        done();
+    });
+
+    it('should populate the cache when the backend supports it', done => {
+        const expectedOutput = {
+            one: {
+                value: 'object1',
+            },
+            two: {
+                value: 'object2',
+            },
+        };
+        const metadataGetObjectsStub = sinon.stub(metadataUtils, 'metadataGetObjects').yields(null, expectedOutput);
+        const objectVersion = 'someVersionId';
+        sinon.stub(multiObjectDelete, 'decodeObjectVersion').returns([null, objectVersion]);
+
+        initializeMultiObjectDeleteWithBatchingSupport(bucketName, inPlay, log, callback);
+
+        assert.strictEqual(metadataGetObjectsStub.callCount, 1);
+        sinon.assert.calledOnce(callback);
+        assert.strictEqual(callback.getCall(0).args[0], null);
+        assert.deepStrictEqual(callback.getCall(0).args[1], expectedOutput);
+        done();
+    });
+});
+
+describe('decodeObjectVersion function helper', () => {
+    it('should throw error for invalid version IDs', () => {
+        const ret = decodeObjectVersion({
+            versionId: '\0',
+        });
+        assert(ret[0].is.NoSuchVersion);
+    });
+
+    it('should return "null" for null versionId', () => {
+        const ret = decodeObjectVersion({
+            versionId: 'null',
+        });
+        assert.strictEqual(ret[0], null);
+        assert.strictEqual(ret[1], 'null');
+    });
+
+    it('should return null error on success', () => {
+        const ret = decodeObjectVersion({});
+        assert.ifError(ret[0]);
+        assert.deepStrictEqual(ret[1], undefined);
+    });
 });
diff --git a/tests/unit/api/objectDelete.js b/tests/unit/api/objectDelete.js
index b5090aec96..bd8d84a610 100644
--- a/tests/unit/api/objectDelete.js
+++ b/tests/unit/api/objectDelete.js
@@ -142,7 +142,8 @@ describe('objectDelete API', () => {
                             any, any, any,
                             { deleteData: true,
                               replayId: testUploadId,
-                            }, any, any);
+                              doesNotNeedOpogUpdate: true,
+                            }, any, any, any);
                         done();
                     });
                 });
diff --git a/tests/unit/metadata/metadataUtils.spec.js b/tests/unit/metadata/metadataUtils.spec.js
index 574c90e41e..ef83c607bb 100644
--- a/tests/unit/metadata/metadataUtils.spec.js
+++ b/tests/unit/metadata/metadataUtils.spec.js
@@ -1,4 +1,5 @@
 const assert = require('assert');
+const sinon = require('sinon');
 
 const { models } = require('arsenal');
 const { BucketInfo } = models;
@@ -13,7 +14,8 @@ const bucket = new BucketInfo('niftyBucket', ownerCanonicalId,
     authInfo.getAccountDisplayName(), creationDate);
 const log = new DummyRequestLogger();
 
-const { validateBucket } = require('../../../lib/metadata/metadataUtils');
+const { validateBucket, metadataGetObjects, metadataGetObject } = require('../../../lib/metadata/metadataUtils');
+const metadata = require('../../../lib/metadata/wrapper');
 
 describe('validateBucket', () => {
     it('action bucketPutPolicy by bucket owner', () => {
@@ -53,3 +55,94 @@ describe('validateBucket', () => {
         assert(validationResult.is.AccessDenied);
     });
 });
+
+describe('metadataGetObjects', () => {
+    let sandbox;
+    const objectsKeys = [
+        { inPlay: { key: 'objectKey1' }, versionId: 'versionId1' },
+        { inPlay: { key: 'objectKey2' }, versionId: 'versionId2' },
+    ];
+
+    beforeEach(() => {
+        sandbox = sinon.createSandbox();
+    });
+
+    afterEach(() => {
+        sandbox.restore();
+    });
+
+    it('should return error if metadata.getObjectsMD fails', done => {
+        const error = new Error('Failed to get object metadata');
+        sandbox.stub(metadata, 'getObjectsMD').yields(error);
+
+        metadataGetObjects('bucketName', objectsKeys, log, err => {
+            assert(err);
+            assert.strictEqual(err, error);
+            done();
+        });
+    });
+
+    it('should return object metadata if successful', done => {
+        const metadataObjs = [
+            { doc: { key: 'objectKey1' }, versionId: 'versionId1' },
+            { doc: { key: 'objectKey2' }, versionId: 'versionId2' },
+        ];
+        sandbox.stub(metadata, 'getObjectsMD').yields(null, metadataObjs);
+
+        metadataGetObjects('bucketName', objectsKeys, log, (err, result) => {
+            assert.ifError(err);
+            assert(result);
+            assert.strictEqual(result.objectKey1versionId1, metadataObjs[0].doc);
+            assert.strictEqual(result.objectKey2versionId2, metadataObjs[1].doc);
+            done();
+        });
+    });
+});
+
+describe('metadataGetObject', () => {
+    let sandbox;
+    const objectKey = { inPlay: { key: 'objectKey1' }, versionId: 'versionId1' };
+
+    beforeEach(() => {
+        sandbox = sinon.createSandbox();
+    });
+
+    afterEach(() => {
+        sandbox.restore();
+    });
+
+    it('should return the cached document if provided', done => {
+        const cachedDoc = {
+            [objectKey.inPlay.key]: {
+                key: 'objectKey1', versionId: 'versionId1',
+            },
+        };
+        metadataGetObject('bucketName', objectKey.inPlay.key, objectKey.versionId, cachedDoc, log, (err, result) => {
+            assert.ifError(err);
+            assert.deepStrictEqual(result, cachedDoc[objectKey.inPlay.key]);
+            done();
+        });
+    });
+
+    it('should return error if metadata.getObjectMD fails', done => {
+        const error = new Error('Failed to get object metadata');
+        sandbox.stub(metadata, 'getObjectMD').yields(error);
+
+        metadataGetObject('bucketName', objectKey.inPlay.key, objectKey.versionId, null, log, err => {
+            assert(err);
+            assert.strictEqual(err, error);
+            done();
+        });
+    });
+
+    it('should return object metadata if successful', done => {
+        const metadataObj = { doc: { key: 'objectKey1', versionId: 'versionId1' } };
+        sandbox.stub(metadata, 'getObjectMD').yields(null, metadataObj);
+
+        metadataGetObject('bucketName', objectKey.inPlay.key, objectKey.versionId, null, log, (err, result) => {
+            assert.ifError(err);
+            assert.deepStrictEqual(result, metadataObj);
+            done();
+        });
+    });
+});
diff --git a/tests/utilities/objectLock-util.js b/tests/utilities/objectLock-util.js
index e7a1778a4f..92a223e6cd 100644
--- a/tests/utilities/objectLock-util.js
+++ b/tests/utilities/objectLock-util.js
@@ -12,7 +12,7 @@ const log = new DummyRequestLogger();
 function changeObjectLock(objects, newConfig, cb) {
     async.each(objects, (object, next) => {
         const { bucket, key, versionId } = object;
-        metadataGetObject(bucket, key, versionIdUtils.decode(versionId), log, (err, objMD) => {
+        metadataGetObject(bucket, key, versionIdUtils.decode(versionId), null, log, (err, objMD) => {
             assert.ifError(err);
             // set newConfig as empty string to remove object lock
             /* eslint-disable no-param-reassign */
diff --git a/yarn.lock b/yarn.lock
index 225ed07357..d8f30fba0a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -357,6 +357,11 @@
   resolved "https://registry.yarnpkg.com/@sinonjs/text-encoding/-/text-encoding-0.7.2.tgz#5981a8db18b56ba38ef0efb7d995b12aa7b51918"
   integrity sha512-sXXKG+uL9IrKqViTtao2Ws6dy0znu9sOaP1di/jKGW1M6VssO8vlpXCQcpZ+jisQ1tTFAC5Jo/EOzFbggBagFQ==
 
+"@socket.io/component-emitter@~3.1.0":
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/@socket.io/component-emitter/-/component-emitter-3.1.0.tgz#96116f2a912e0c02817345b3c10751069920d553"
+  integrity sha512-+9jVqKhRSpsc591z5vX+X5Yyw+he/HCB4iQ/RYxw35CEPaY1gnsNE43nf9n9AaYjAQrTiI/mOwKUKdUs9vf7Xg==
+
 "@tootallnate/once@1":
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/@tootallnate/once/-/once-1.1.2.tgz#ccb91445360179a04e7fe6aff78c00ffc1eeaf82"
@@ -372,6 +377,18 @@
   resolved "https://registry.yarnpkg.com/@types/async/-/async-3.2.15.tgz#26d4768fdda0e466f18d6c9918ca28cc89a4e1fe"
   integrity sha512-PAmPfzvFA31mRoqZyTVsgJMsvbynR429UTTxhmfsUCrWGh3/fxOrzqBtaTPJsn4UtzTv4Vb0+/O7CARWb69N4g==
 
+"@types/cookie@^0.4.1":
+  version "0.4.1"
+  resolved "https://registry.yarnpkg.com/@types/cookie/-/cookie-0.4.1.tgz#bfd02c1f2224567676c1545199f87c3a861d878d"
+  integrity sha512-XW/Aa8APYr6jSVVA1y/DEIZX0/GMKLEVekNG727R8cs56ahETkRAy/3DR7+fJyh7oUgGwNQaRfXCun0+KbWY7Q==
+
+"@types/cors@^2.8.12":
+  version "2.8.13"
+  resolved "https://registry.yarnpkg.com/@types/cors/-/cors-2.8.13.tgz#b8ade22ba455a1b8cb3b5d3f35910fd204f84f94"
+  integrity sha512-RG8AStHlUiV5ysZQKq97copd2UmVYw3/pRMLefISZ3S1hK104Cwm7iLQ3fTKx+lsUH2CE8FlLaYeEA2LSeqYUA==
+  dependencies:
+    "@types/node" "*"
+
 "@types/json5@^0.0.29":
   version "0.0.29"
   resolved "https://registry.yarnpkg.com/@types/json5/-/json5-0.0.29.tgz#ee28707ae94e11d2b827bcbe5270bcea7f3e71ee"
@@ -390,6 +407,11 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-18.11.15.tgz#de0e1fbd2b22b962d45971431e2ae696643d3f5d"
   integrity sha512-VkhBbVo2+2oozlkdHXLrb3zjsRkpdnaU2bXmX8Wgle3PUi569eLRaHGlgETQHR7lLL1w7GiG3h9SnePhxNDecw==
 
+"@types/node@>=10.0.0":
+  version "20.4.2"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-20.4.2.tgz#129cc9ae69f93824f92fac653eebfb4812ab4af9"
+  integrity sha512-Dd0BYtWgnWJKwO1jkmTrzofjK2QXXcai0dmtzvIBhcA+RsG5h8R3xlyta0kGOZRNfL9GuRtb1knmPEhQrePCEw==
+
 "@types/tunnel@^0.0.3":
   version "0.0.3"
   resolved "https://registry.yarnpkg.com/@types/tunnel/-/tunnel-0.0.3.tgz#f109e730b072b3136347561fc558c9358bb8c6e9"
@@ -707,9 +729,9 @@ arraybuffer.slice@~0.0.7:
   optionalDependencies:
     ioctl "^2.0.2"
 
-"arsenal@git+https://github.com/scality/arsenal#8.1.98":
-  version "8.1.97"
-  resolved "git+https://github.com/scality/arsenal#3f7229eebe378a0f4852d2c25b9ac33c027fa7eb"
+"arsenal@git+https://github.com/scality/arsenal#8.1.104":
+  version "8.1.104"
+  resolved "git+https://github.com/scality/arsenal#8716fee67d77f78e79497c75c62d9e4fa5b9a80e"
   dependencies:
     "@azure/identity" "^3.1.1"
     "@azure/storage-blob" "^12.12.0"
@@ -726,7 +748,7 @@ arraybuffer.slice@~0.0.7:
     bson "4.0.0"
     debug "~4.1.0"
     diskusage "^1.1.1"
-    fcntl "github:scality/node-fcntl#0.2.0"
+    fcntl "github:scality/node-fcntl#0.2.2"
     hdclient scality/hdclient#1.1.5
     httpagent scality/httpagent#1.0.6
     https-proxy-agent "^2.2.0"
@@ -739,8 +761,8 @@ arraybuffer.slice@~0.0.7:
     node-forge "^1.3.0"
     prom-client "14.2.0"
     simple-glob "^0.2.0"
-    socket.io "2.4.1"
-    socket.io-client "2.4.0"
+    socket.io "~4.6.1"
+    socket.io-client "~4.6.1"
     sproxydclient "git+https://github.com/scality/sproxydclient#8.0.9"
     utf8 "3.0.0"
     uuid "^3.0.1"
@@ -965,7 +987,7 @@ base64-js@^1.0.2, base64-js@^1.3.1:
   resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.5.1.tgz#1b1b440160a5bf7ad40b650f095963481903930a"
   integrity sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA==
 
-base64id@2.0.0:
+base64id@2.0.0, base64id@~2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/base64id/-/base64id-2.0.0.tgz#2770ac6bc47d312af97a8bf9a634342e0cd25cb6"
   integrity sha512-lGe34o6EHj9y3Kts9R4ZYs/Gr+6N7MCaMlIFA3F1R2O5/m7K06AxfSeO5530PEERE6/WyEg3lsuyw4GHlPZHog==
@@ -1399,6 +1421,14 @@ core-util-is@~1.0.0:
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.3.tgz#a6042d3634c2b27e9328f837b965fac83808db85"
   integrity sha512-ZQBvi1DcpJ4GDqanjucZ2Hj3wEO5pZDS89BWbkcrvdxksJorwUDDZamX9ldFkp9aw2lmBDLgkObEA4DWNJ9FYQ==
 
+cors@~2.8.5:
+  version "2.8.5"
+  resolved "https://registry.yarnpkg.com/cors/-/cors-2.8.5.tgz#eac11da51592dd86b9f06f6e7ac293b3df875d29"
+  integrity sha512-KIHbLJqu73RGr/hnbrO9uBeixNGuvSQjul/jdFvS/KFSIH1hWVd1ng7zOHx+YrEfInLG7q4n6GHQ9cDtxv/P6g==
+  dependencies:
+    object-assign "^4"
+    vary "^1"
+
 cron-parser@^2.11.0, cron-parser@^2.15.0, cron-parser@^2.18.0:
   version "2.18.0"
   resolved "https://registry.yarnpkg.com/cron-parser/-/cron-parser-2.18.0.tgz#de1bb0ad528c815548371993f81a54e5a089edcf"
@@ -1471,7 +1501,7 @@ debug@2.6.9, debug@^2.2.0, debug@^2.6.8, debug@^2.6.9:
   dependencies:
     ms "2.0.0"
 
-debug@4, debug@^4.1.0, debug@^4.1.1, debug@^4.3.1, debug@^4.3.2, debug@^4.3.3:
+debug@4, debug@^4.1.0, debug@^4.1.1, debug@^4.3.1, debug@^4.3.2, debug@^4.3.3, debug@~4.3.1, debug@~4.3.2:
   version "4.3.4"
   resolved "https://registry.yarnpkg.com/debug/-/debug-4.3.4.tgz#1319f6579357f2338d3337d2cdd4914bb5dcc865"
   integrity sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==
@@ -1684,6 +1714,17 @@ engine.io-client@~3.5.0:
     xmlhttprequest-ssl "~1.6.2"
     yeast "0.1.2"
 
+engine.io-client@~6.4.0:
+  version "6.4.0"
+  resolved "https://registry.yarnpkg.com/engine.io-client/-/engine.io-client-6.4.0.tgz#88cd3082609ca86d7d3c12f0e746d12db4f47c91"
+  integrity sha512-GyKPDyoEha+XZ7iEqam49vz6auPnNJ9ZBfy89f+rMMas8AuiMWOZ9PVzu8xb9ZC6rafUqiGHSCfu22ih66E+1g==
+  dependencies:
+    "@socket.io/component-emitter" "~3.1.0"
+    debug "~4.3.1"
+    engine.io-parser "~5.0.3"
+    ws "~8.11.0"
+    xmlhttprequest-ssl "~2.0.0"
+
 engine.io-parser@~2.2.0:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/engine.io-parser/-/engine.io-parser-2.2.1.tgz#57ce5611d9370ee94f99641b589f94c97e4f5da7"
@@ -1695,6 +1736,11 @@ engine.io-parser@~2.2.0:
     blob "0.0.5"
     has-binary2 "~1.0.2"
 
+engine.io-parser@~5.0.3:
+  version "5.0.7"
+  resolved "https://registry.yarnpkg.com/engine.io-parser/-/engine.io-parser-5.0.7.tgz#ed5eae76c71f398284c578ab6deafd3ba7e4e4f6"
+  integrity sha512-P+jDFbvK6lE3n1OL+q9KuzdOFWkkZ/cMV9gol/SbVfpyqfvrfrFTOFJ6fQm2VC3PZHlU3QPhVwmbsCnauHF2MQ==
+
 engine.io@~3.5.0:
   version "3.5.0"
   resolved "https://registry.yarnpkg.com/engine.io/-/engine.io-3.5.0.tgz#9d6b985c8a39b1fe87cd91eb014de0552259821b"
@@ -1707,6 +1753,22 @@ engine.io@~3.5.0:
     engine.io-parser "~2.2.0"
     ws "~7.4.2"
 
+engine.io@~6.4.2:
+  version "6.4.2"
+  resolved "https://registry.yarnpkg.com/engine.io/-/engine.io-6.4.2.tgz#ffeaf68f69b1364b0286badddf15ff633476473f"
+  integrity sha512-FKn/3oMiJjrOEOeUub2WCox6JhxBXq/Zn3fZOMCBxKnNYtsdKjxhl7yR3fZhM9PV+rdE75SU5SYMc+2PGzo+Tg==
+  dependencies:
+    "@types/cookie" "^0.4.1"
+    "@types/cors" "^2.8.12"
+    "@types/node" ">=10.0.0"
+    accepts "~1.3.4"
+    base64id "2.0.0"
+    cookie "~0.4.1"
+    cors "~2.8.5"
+    debug "~4.3.1"
+    engine.io-parser "~5.0.3"
+    ws "~8.11.0"
+
 entities@~2.0.0:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/entities/-/entities-2.0.3.tgz#5c487e5742ab93c15abb5da22759b8590ec03b7f"
@@ -2132,6 +2194,14 @@ fastq@^1.6.0:
     nan "^2.3.2"
     node-gyp "^8.0.0"
 
+"fcntl@github:scality/node-fcntl#0.2.2":
+  version "0.2.1"
+  resolved "https://codeload.github.com/scality/node-fcntl/tar.gz/b1335ca204c6265cedc50c26020c4d63aabe920e"
+  dependencies:
+    bindings "^1.1.1"
+    nan "^2.3.2"
+    node-gyp "^8.0.0"
+
 fecha@^4.2.0:
   version "4.2.3"
   resolved "https://registry.yarnpkg.com/fecha/-/fecha-4.2.3.tgz#4d9ccdbc61e8629b259fdca67e65891448d569fd"
@@ -4269,6 +4339,11 @@ oauth-sign@~0.9.0:
   resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.9.0.tgz#47a7b016baa68b5fa0ecf3dee08a85c679ac6455"
   integrity sha512-fexhUFFPTGV8ybAtSIGbV6gOkSv8UtRbDBnAyLQw4QPKkgNlsH2ByPGtMUqdWkos6YCRmAqViwgZrJc/mRDzZQ==
 
+object-assign@^4:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
+  integrity sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg==
+
 object-inspect@^1.12.0, object-inspect@^1.9.0:
   version "1.12.2"
   resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-1.12.2.tgz#c0641f26394532f28ab8d796ab954e43c009a8ea"
@@ -5062,6 +5137,13 @@ socket.io-adapter@~1.1.0:
   resolved "https://registry.yarnpkg.com/socket.io-adapter/-/socket.io-adapter-1.1.2.tgz#ab3f0d6f66b8fc7fca3959ab5991f82221789be9"
   integrity sha512-WzZRUj1kUjrTIrUKpZLEzFZ1OLj5FwLlAFQs9kuZJzJi5DKdU7FsWc36SNmA8iDOtwBQyT8FkrriRM8vXLYz8g==
 
+socket.io-adapter@~2.5.2:
+  version "2.5.2"
+  resolved "https://registry.yarnpkg.com/socket.io-adapter/-/socket.io-adapter-2.5.2.tgz#5de9477c9182fdc171cd8c8364b9a8894ec75d12"
+  integrity sha512-87C3LO/NOMc+eMcpcxUBebGjkpMDkNBS9tf7KJqcDsmL936EChtVva71Dw2q4tQcuVC+hAUy4an2NO/sYXmwRA==
+  dependencies:
+    ws "~8.11.0"
+
 socket.io-client@2.4.0:
   version "2.4.0"
   resolved "https://registry.yarnpkg.com/socket.io-client/-/socket.io-client-2.4.0.tgz#aafb5d594a3c55a34355562fc8aea22ed9119a35"
@@ -5079,6 +5161,16 @@ socket.io-client@2.4.0:
     socket.io-parser "~3.3.0"
     to-array "0.1.4"
 
+socket.io-client@~4.6.1:
+  version "4.6.2"
+  resolved "https://registry.yarnpkg.com/socket.io-client/-/socket.io-client-4.6.2.tgz#2bfde952e74625d54e622718a7cb1d591ee62fd6"
+  integrity sha512-OwWrMbbA8wSqhBAR0yoPK6EdQLERQAYjXb3A0zLpgxfM1ZGLKoxHx8gVmCHA6pcclRX5oA/zvQf7bghAS11jRA==
+  dependencies:
+    "@socket.io/component-emitter" "~3.1.0"
+    debug "~4.3.2"
+    engine.io-client "~6.4.0"
+    socket.io-parser "~4.2.4"
+
 socket.io-parser@~3.3.0:
   version "3.3.2"
   resolved "https://registry.yarnpkg.com/socket.io-parser/-/socket.io-parser-3.3.2.tgz#ef872009d0adcf704f2fbe830191a14752ad50b6"
@@ -5097,6 +5189,14 @@ socket.io-parser@~3.4.0:
     debug "~4.1.0"
     isarray "2.0.1"
 
+socket.io-parser@~4.2.4:
+  version "4.2.4"
+  resolved "https://registry.yarnpkg.com/socket.io-parser/-/socket.io-parser-4.2.4.tgz#c806966cf7270601e47469ddeec30fbdfda44c83"
+  integrity sha512-/GbIKmo8ioc+NIWIhwdecY0ge+qVBSMdgxGygevmdHj24bsfgtCmcUUcQ5ZzcylGFHsN3k4HB4Cgkl96KVnuew==
+  dependencies:
+    "@socket.io/component-emitter" "~3.1.0"
+    debug "~4.3.1"
+
 socket.io@2.4.1:
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/socket.io/-/socket.io-2.4.1.tgz#95ad861c9a52369d7f1a68acf0d4a1b16da451d2"
@@ -5109,6 +5209,18 @@ socket.io@2.4.1:
     socket.io-client "2.4.0"
     socket.io-parser "~3.4.0"
 
+socket.io@~4.6.1:
+  version "4.6.2"
+  resolved "https://registry.yarnpkg.com/socket.io/-/socket.io-4.6.2.tgz#d597db077d4df9cbbdfaa7a9ed8ccc3d49439786"
+  integrity sha512-Vp+lSks5k0dewYTfwgPT9UeGGd+ht7sCpB7p0e83VgO4X/AHYWhXITMrNk/pg8syY2bpx23ptClCQuHhqi2BgQ==
+  dependencies:
+    accepts "~1.3.4"
+    base64id "~2.0.0"
+    debug "~4.3.2"
+    engine.io "~6.4.2"
+    socket.io-adapter "~2.5.2"
+    socket.io-parser "~4.2.4"
+
 socks-proxy-agent@^6.0.0:
   version "6.2.1"
   resolved "https://registry.yarnpkg.com/socks-proxy-agent/-/socks-proxy-agent-6.2.1.tgz#2687a31f9d7185e38d530bef1944fe1f1496d6ce"
@@ -5788,7 +5900,7 @@ validator@^13.0.0, validator@^13.6.0:
   resolved "https://registry.yarnpkg.com/validator/-/validator-13.7.0.tgz#4f9658ba13ba8f3d82ee881d3516489ea85c0857"
   integrity sha512-nYXQLCBkpJ8X6ltALua9dRrZDHVYxjJ1wgskNt1lH9fzGjs3tgojGSCBjmEPwkWS1y29+DrizMTW19Pr9uB2nw==
 
-vary@~1.1.2:
+vary@^1, vary@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.2.tgz#2299f02c6ded30d4a5961b0b9f74524a18f634fc"
   integrity sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg==
@@ -5969,6 +6081,11 @@ ws@~7.4.2:
   resolved "https://registry.yarnpkg.com/ws/-/ws-7.4.6.tgz#5654ca8ecdeee47c33a9a4bf6d28e2be2980377c"
   integrity sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==
 
+ws@~8.11.0:
+  version "8.11.0"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-8.11.0.tgz#6a0d36b8edfd9f96d8b25683db2f8d7de6e8e143"
+  integrity sha512-HPG3wQd9sNQoT9xHyNCXoDUa+Xw/VevmY9FoHyQ+g+rrMn4j6FB4np7Z0OhdTgjx6MgQLK7jwSy1YecU1+4Asg==
+
 xml2js@0.4.19:
   version "0.4.19"
   resolved "https://registry.yarnpkg.com/xml2js/-/xml2js-0.4.19.tgz#686c20f213209e94abf0d1bcf1efaa291c7827a7"
@@ -6005,6 +6122,11 @@ xmlhttprequest-ssl@~1.6.2:
   resolved "https://registry.yarnpkg.com/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.6.3.tgz#03b713873b01659dfa2c1c5d056065b27ddc2de6"
   integrity sha512-3XfeQE/wNkvrIktn2Kf0869fC0BN6UpydVasGIeSm2B1Llihf7/0UfZM+eCkOw3P7bP4+qPgqhm7ZoxuJtFU0Q==
 
+xmlhttprequest-ssl@~2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/xmlhttprequest-ssl/-/xmlhttprequest-ssl-2.0.0.tgz#91360c86b914e67f44dce769180027c0da618c67"
+  integrity sha512-QKxVRxiRACQcVuQEYFsI1hhkrMlrXHPegbbd1yn9UHOmRxY+si12nQYzri3vbzt8VdTTRviqcKxcyllFas5z2A==
+
 xtend@^4.0.2, xtend@~4.0.0:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.2.tgz#bb72779f5fa465186b1f438f674fa347fdb5db54"