use gcs instead of s3

pingcap · Mar 28, 2024 · cb238b8 · cb238b8
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diff --git a/external-storage-uri.md b/external-storage-uri.md
@@ -54,6 +54,10 @@ The following is an example of an Amazon S3 URI for [`IMPORT INTO`](/sql-stateme
 s3://external/test.csv?access-key=${access-key}&secret-access-key=${secret-access-key}
 ```
 
+> **Note:**
+>
+> Please note that the XML API of GCS is not fully compatible with the s3:// protocol. If you are using GCS, please use the gs:// protocol instead.
+
 ## GCS URI format
 
 - `scheme`: `gcs` or `gs`

diff --git a/ticdc/troubleshoot-ticdc.md b/ticdc/troubleshoot-ticdc.md
@@ -145,3 +145,7 @@ This error is typically caused by the connection failure between TiCDC and the K
 ```shell
 cdc cli changefeed create --server=http://127.0.0.1:8300 --sink-uri "kafka://127.0.0.1:9092/test?topic=test&protocol=open-protocol&kafka-version=2.4.0" 
 ```
+
+## The `[CDC:ErrS3StorageAPI]external storage api: NotImplemented` error is reported when I use TiCDC and enable Redo. What should I do?
+
+This error might be caused by the external storage not fully supporting the `s3://` protocol. You can replace it with another protocol, such as `gs://`, if you are using GCS.