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[Enhancement](compaction) Do not set failure time when cumulative compaction dealing with delete rowset #43466

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Dec 13, 2024
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4 changes: 4 additions & 0 deletions be/src/cloud/cloud_cumulative_compaction.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -92,6 +92,10 @@ Status CloudCumulativeCompaction::prepare_compact() {
// plus 1 to skip the delete version.
// NOTICE: after that, the cumulative point may be larger than max version of this tablet, but it doesn't matter.
update_cumulative_point();
if (!config::enable_sleep_between_delete_cumu_compaction) {
st = Status::Error<CUMULATIVE_NO_SUITABLE_VERSION>(
"_last_delete_version.first not equal to -1");
}
}
return st;
}
Expand Down
3 changes: 2 additions & 1 deletion be/src/cloud/cloud_storage_engine.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -677,7 +677,8 @@ Status CloudStorageEngine::_submit_cumulative_compaction_task(const CloudTabletS
auto st = compaction->prepare_compact();
if (!st.ok()) {
long now = duration_cast<milliseconds>(system_clock::now().time_since_epoch()).count();
if (st.is<ErrorCode::CUMULATIVE_NO_SUITABLE_VERSION>()) {
if (st.is<ErrorCode::CUMULATIVE_NO_SUITABLE_VERSION>() &&
st.msg() != "_last_delete_version.first not equal to -1") {
// Backoff strategy if no suitable version
tablet->last_cumu_no_suitable_version_ms = now;
}
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1 change: 1 addition & 0 deletions be/src/common/config.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -1400,6 +1400,7 @@ DEFINE_mBool(enable_delete_bitmap_merge_on_compaction, "false");
// Enable validation to check the correctness of table size.
DEFINE_Bool(enable_table_size_correctness_check, "false");
DEFINE_Bool(force_regenerate_rowsetid_on_start_error, "false");
DEFINE_mBool(enable_sleep_between_delete_cumu_compaction, "false");

// clang-format off
#ifdef BE_TEST
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2 changes: 2 additions & 0 deletions be/src/common/config.h
Original file line number Diff line number Diff line change
Expand Up @@ -1486,6 +1486,8 @@ DECLARE_Bool(force_regenerate_rowsetid_on_start_error);
DECLARE_mBool(enable_delete_bitmap_merge_on_compaction);
// Enable validation to check the correctness of table size.
DECLARE_Bool(enable_table_size_correctness_check);
// Enable sleep 5s between delete cumulative compaction.
DECLARE_mBool(enable_sleep_between_delete_cumu_compaction);

#ifdef BE_TEST
// test s3
Expand Down
13 changes: 12 additions & 1 deletion be/src/olap/tablet.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -1731,15 +1731,26 @@ Status Tablet::prepare_compaction_and_calculate_permits(
}

if (!res.ok()) {
tablet->set_last_cumu_compaction_failure_time(UnixMillis());
permits = 0;
// if we meet a delete version, should increase the cumulative point to let base compaction handle the delete version.
// no need to wait 5s.
if (!(res.msg() == "_last_delete_version.first not equal to -1") ||
config::enable_sleep_between_delete_cumu_compaction) {
tablet->set_last_cumu_compaction_failure_time(UnixMillis());
}
if (!res.is<CUMULATIVE_NO_SUITABLE_VERSION>()) {
DorisMetrics::instance()->cumulative_compaction_request_failed->increment(1);
return Status::InternalError("prepare cumulative compaction with err: {}", res);
}
// return OK if OLAP_ERR_CUMULATIVE_NO_SUITABLE_VERSION, so that we don't need to
// print too much useless logs.
// And because we set permits to 0, so even if we return OK here, nothing will be done.
LOG_INFO(
"cumulative compaction meet delete rowset, increase cumu point without other "
"operation.")
.tag("tablet id:", tablet->tablet_id())
.tag("after cumulative compaction, cumu point:",
tablet->cumulative_layer_point());
return Status::OK();
}
} else if (compaction_type == CompactionType::BASE_COMPACTION) {
Expand Down
Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
-- This file is automatically generated. You should know what you did if you want to edit this
-- !select1 --

-- !select2 --

Original file line number Diff line number Diff line change
@@ -0,0 +1,122 @@
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.

import org.codehaus.groovy.runtime.IOGroovyMethods

suite("test_cumu_compaction_with_delete") {
def tableName = "test_cumu_compaction_with_delete"
def check_cumu_point = { cumu_point ->
def tablets = sql_return_maparray """ show tablets from ${tableName}; """
int cumuPoint = 0
for (def tablet in tablets) {
String tablet_id = tablet.TabletId
(code, out, err) = curl("GET", tablet.CompactionStatus)
logger.info("Show tablets status: code=" + code + ", out=" + out + ", err=" + err)
assertEquals(code, 0)
def tabletJson = parseJson(out.trim())
cumuPoint = tabletJson["cumulative point"]
}
return cumuPoint > cumu_point
}

try {
sql """ DROP TABLE IF EXISTS ${tableName} """
sql """
CREATE TABLE ${tableName} (
`user_id` INT NOT NULL,
`value` INT NOT NULL)
UNIQUE KEY(`user_id`)
DISTRIBUTED BY HASH(`user_id`)
BUCKETS 1
PROPERTIES ("replication_allocation" = "tag.location.default: 1",
"enable_mow_light_delete" = "true")"""

for(int i = 1; i <= 100; ++i){
sql """ INSERT INTO ${tableName} VALUES (1,1)"""
sql """ delete from ${tableName} where user_id = 1"""
}

now = System.currentTimeMillis()

while(true){
if(check_cumu_point(100)){
break;
}
Thread.sleep(1000)
}
time_diff = System.currentTimeMillis() - now
logger.info("time_diff:" + time_diff)
assertTrue(time_diff<200*1000)

qt_select1 """select * from ${tableName} order by user_id, value"""
} catch (Exception e){
logger.info(e.getMessage())
assertFalse(true)
} finally {
try_sql("DROP TABLE IF EXISTS ${tableName} FORCE")
}

def backendId_to_backendIP = [:]
def backendId_to_backendHttpPort = [:]
getBackendIpHttpPort(backendId_to_backendIP, backendId_to_backendHttpPort);

def set_be_config = { key, value ->
for (String backend_id: backendId_to_backendIP.keySet()) {
def (code, out, err) = update_be_config(backendId_to_backendIP.get(backend_id), backendId_to_backendHttpPort.get(backend_id), key, value)
logger.info("update config: code=" + code + ", out=" + out + ", err=" + err)
}
}

try {
set_be_config.call("enable_sleep_between_delete_cumu_compaction", "true")
sql """ DROP TABLE IF EXISTS ${tableName} """
sql """
CREATE TABLE ${tableName} (
`user_id` INT NOT NULL,
`value` INT NOT NULL)
UNIQUE KEY(`user_id`)
DISTRIBUTED BY HASH(`user_id`)
BUCKETS 1
PROPERTIES ("replication_allocation" = "tag.location.default: 1",
"enable_mow_light_delete" = "true")"""

for(int i = 1; i <= 100; ++i){
sql """ INSERT INTO ${tableName} VALUES (1,1)"""
sql """ delete from ${tableName} where user_id = 1"""
}

now = System.currentTimeMillis()

while(true){
if(check_cumu_point(100)){
break;
}
Thread.sleep(1000)
}
time_diff = System.currentTimeMillis() - now
logger.info("time_diff:" + time_diff)
assertTrue(time_diff>=200*1000)

qt_select2 """select * from ${tableName} order by user_id, value"""
} catch (Exception e){
logger.info(e.getMessage())
assertFalse(true)
} finally {
try_sql("DROP TABLE IF EXISTS ${tableName} FORCE")
set_be_config.call("enable_sleep_between_delete_cumu_compaction", "false")
}
}
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