hqx871 commented on code in PR #64167: URL: https://github.com/apache/doris/pull/64167#discussion_r3373084070
########## fe/fe-core/src/main/java/org/apache/doris/clone/TenantLevelColocateTableCheckerAndBalancer.java: ########## @@ -0,0 +1,468 @@ +// 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. + +package org.apache.doris.clone; + +import org.apache.doris.catalog.Database; +import org.apache.doris.catalog.Env; +import org.apache.doris.catalog.MaterializedIndex; +import org.apache.doris.catalog.MaterializedIndex.IndexExtState; +import org.apache.doris.catalog.OlapTable; +import org.apache.doris.catalog.Partition; +import org.apache.doris.catalog.ReplicaAllocation; +import org.apache.doris.catalog.Tablet; +import org.apache.doris.catalog.Tablet.TabletHealth; +import org.apache.doris.catalog.Tablet.TabletStatus; +import org.apache.doris.catalog.TenantLevelColocateGroupSchema; +import org.apache.doris.catalog.TenantLevelColocateTableIndex; +import org.apache.doris.catalog.TenantLevelColocateTableIndex.GroupV2Id; +import org.apache.doris.clone.TabletChecker.CheckerCounter; +import org.apache.doris.clone.TabletSchedCtx.Priority; +import org.apache.doris.clone.TabletScheduler.AddResult; +import org.apache.doris.common.Config; +import org.apache.doris.common.DdlException; +import org.apache.doris.common.Reference; +import org.apache.doris.persist.ModifyTenantLevelColocateMapInfo; +import org.apache.doris.resource.Tag; +import org.apache.doris.system.SystemInfoService; + +import com.google.common.base.Preconditions; +import com.google.common.base.Strings; +import com.google.common.collect.Lists; +import com.google.common.collect.Maps; +import com.google.common.collect.Sets; +import org.apache.logging.log4j.LogManager; +import org.apache.logging.log4j.Logger; + +import java.util.ArrayList; +import java.util.Collections; +import java.util.List; +import java.util.Map; +import java.util.Set; + +/** + * TenantLevelColocateTableCheckerAndBalancer is responsible for tablets' repair and balance of colocated tables. + */ +public class TenantLevelColocateTableCheckerAndBalancer extends ColocateTableCheckerAndBalancer { + private static final Logger LOG = LogManager.getLogger(TenantLevelColocateTableCheckerAndBalancer.class); + + private TenantLevelColocateTableCheckerAndBalancer(long intervalMs) { + super("colocate group clone checker v2", intervalMs); + } + + private static volatile TenantLevelColocateTableCheckerAndBalancer INSTANCE = null; + + public static TenantLevelColocateTableCheckerAndBalancer getInstance() { + if (INSTANCE == null) { + synchronized (TenantLevelColocateTableCheckerAndBalancer.class) { + if (INSTANCE == null) { + INSTANCE = new TenantLevelColocateTableCheckerAndBalancer(Config.tablet_checker_interval_ms); + } + } + } + return INSTANCE; + } + + @Override + public void runAfterCatalogReady() { + relocateAndBalanceGroups(); + matchGroups(); + } + + private void relocateAndBalanceGroups() { + Set<GroupV2Id> groupIds = Env.getCurrentEnv().getTenantLevelColocateTableIndex().getAllGroupIds(); + + // balance only inside each group, excluded balance between all groups + Set<GroupV2Id> changeGroups = relocateAndBalanceGroup(groupIds, false); + + if (!Config.disable_colocate_balance_between_groups + && !changeGroups.isEmpty()) { + // balance both inside each group and between all groups + relocateAndBalanceGroup(changeGroups, true); + } + } + + private Set<GroupV2Id> relocateAndBalanceGroup(Set<GroupV2Id> groupIds, boolean balanceBetweenGroups) { + Set<GroupV2Id> changeGroups = Sets.newHashSet(); + if (Config.disable_colocate_balance) { + return changeGroups; + } + + Env env = Env.getCurrentEnv(); + TenantLevelColocateTableIndex colocateIndex = env.getTenantLevelColocateTableIndex(); + SystemInfoService infoService = Env.getCurrentSystemInfo(); + + GlobalColocateStatistic globalColocateStatistic = buildGlobalColocateStatistic(); + + // get all groups + for (GroupV2Id groupId : groupIds) { Review Comment: updated -- This is an automated message from the Apache Git Service. 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