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Support auto analyze columns that haven't been analyzed for a long time.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -21,5 +21,6 @@ public enum JobPriority { | |
| HIGH, | ||
| MID, | ||
| LOW, | ||
| LONG_TIME, | ||
| MANUAL; | ||
| } | ||
160 changes: 160 additions & 0 deletions
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fe/fe-core/src/main/java/org/apache/doris/statistics/LongTimeJobAppender.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,160 @@ | ||
| // 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.statistics; | ||
|
|
||
| import org.apache.doris.catalog.DatabaseIf; | ||
| import org.apache.doris.catalog.Env; | ||
| import org.apache.doris.catalog.OlapTable; | ||
| import org.apache.doris.catalog.TableIf; | ||
| import org.apache.doris.common.Config; | ||
| import org.apache.doris.common.Pair; | ||
| import org.apache.doris.common.util.MasterDaemon; | ||
| import org.apache.doris.datasource.CatalogIf; | ||
| import org.apache.doris.datasource.hive.HMSExternalTable; | ||
| import org.apache.doris.statistics.util.StatisticsUtil; | ||
|
|
||
| import org.apache.logging.log4j.LogManager; | ||
| import org.apache.logging.log4j.Logger; | ||
|
|
||
| import java.util.List; | ||
| import java.util.Set; | ||
| import java.util.concurrent.TimeUnit; | ||
| import java.util.stream.Collectors; | ||
|
|
||
| /** | ||
| * This is a daemon thread to append long time not analyzed columns to long time job queue in AnalysisManager. | ||
| * Using this separate thread instead of using the existing StatisticsJobAppender is to avoid blocking other | ||
| * higher priority jobs. | ||
| */ | ||
| public class LongTimeJobAppender extends MasterDaemon { | ||
| private static final Logger LOG = LogManager.getLogger(LongTimeJobAppender.class); | ||
|
|
||
| public LongTimeJobAppender() { | ||
| super("LongTimeJobAppender", TimeUnit.MINUTES.toMillis(Config.auto_check_statistics_in_minutes)); | ||
| } | ||
|
|
||
| @Override | ||
| protected void runAfterCatalogReady() { | ||
| if (!Env.getCurrentEnv().isMaster()) { | ||
| return; | ||
| } | ||
| if (!StatisticsUtil.statsTblAvailable()) { | ||
| LOG.info("Stats table not available, skip"); | ||
| return; | ||
| } | ||
| if (Env.getCurrentEnv().getStatisticsAutoCollector() == null | ||
| || !Env.getCurrentEnv().getStatisticsAutoCollector().isReady()) { | ||
| LOG.info("Statistics auto collector not ready, skip"); | ||
| return; | ||
| } | ||
| if (Env.isCheckpointThread()) { | ||
| return; | ||
| } | ||
| if (!StatisticsUtil.canCollect()) { | ||
| LOG.debug("Auto analyze not enabled or not in analyze time range."); | ||
| return; | ||
| } | ||
| traverseAllTables(); | ||
| } | ||
|
|
||
| protected int traverseAllTables() { | ||
| List<CatalogIf> catalogs = getCatalogsInOrder(); | ||
| AnalysisManager analysisManager = Env.getServingEnv().getAnalysisManager(); | ||
| int addedTableCount = 0; | ||
| for (CatalogIf ctl : catalogs) { | ||
| if (!StatisticsUtil.canCollect()) { | ||
| break; | ||
| } | ||
| if (!ctl.enableAutoAnalyze()) { | ||
| continue; | ||
| } | ||
| List<DatabaseIf> dbs = getDatabasesInOrder(ctl); | ||
| for (DatabaseIf<TableIf> db : dbs) { | ||
| if (!StatisticsUtil.canCollect()) { | ||
| break; | ||
| } | ||
| if (StatisticConstants.SYSTEM_DBS.contains(db.getFullName())) { | ||
| continue; | ||
| } | ||
| for (TableIf table : getTablesInOrder(db)) { | ||
| try { | ||
| if (appendTable(analysisManager, table)) { | ||
| addedTableCount++; | ||
| } | ||
| } catch (Throwable t) { | ||
| LOG.warn("Failed to analyze table {}.{}.{}", | ||
| db.getCatalog().getName(), db.getFullName(), table.getName(), t); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| LOG.info("Finished one iteration of long time job. Append {} tables", addedTableCount); | ||
| return addedTableCount; | ||
| } | ||
|
|
||
| public List<CatalogIf> getCatalogsInOrder() { | ||
| return Env.getCurrentEnv().getCatalogMgr().getCopyOfCatalog().stream() | ||
| .sorted((c1, c2) -> (int) (c1.getId() - c2.getId())).collect(Collectors.toList()); | ||
| } | ||
|
|
||
| public List<DatabaseIf<? extends TableIf>> getDatabasesInOrder(CatalogIf<DatabaseIf> catalog) { | ||
| return catalog.getAllDbs().stream() | ||
| .sorted((d1, d2) -> (int) (d1.getId() - d2.getId())).collect(Collectors.toList()); | ||
| } | ||
|
|
||
| public List<TableIf> getTablesInOrder(DatabaseIf<? extends TableIf> db) { | ||
| return db.getTables().stream() | ||
| .sorted((t1, t2) -> (int) (t1.getId() - t2.getId())).collect(Collectors.toList()); | ||
| } | ||
|
|
||
| // return true if skip auto analyze this time. | ||
| protected boolean skip(TableIf table) { | ||
| if (!(table instanceof OlapTable || table instanceof HMSExternalTable)) { | ||
| return true; | ||
| } | ||
| // For now, only support Hive HMS table auto collection. | ||
| if (table instanceof HMSExternalTable | ||
| && !((HMSExternalTable) table).getDlaType().equals(HMSExternalTable.DLAType.HIVE)) { | ||
| return true; | ||
| } | ||
| // Skip wide table. | ||
| return table.getBaseSchema().size() > StatisticsUtil.getAutoAnalyzeTableWidthThreshold(); | ||
| } | ||
|
|
||
| protected boolean appendTable(AnalysisManager analysisManager, TableIf table) throws InterruptedException { | ||
| if (skip(table)) { | ||
| return false; | ||
| } | ||
| TableStatsMeta tblStats = analysisManager.findTableStatsStatus(table.getId()); | ||
| if (tblStats == null) { | ||
| return false; | ||
| } | ||
| Set<Pair<String, String>> columns = tblStats.analyzeColumns(); | ||
| if (columns == null || columns.isEmpty()) { | ||
| return false; | ||
| } | ||
| for (Pair<String, String> columnPair : columns) { | ||
| if (StatisticsUtil.isLongTimeColumn(table, columnPair)) { | ||
| if (analysisManager.appendToLongTimeJobs(table)) { | ||
| return true; | ||
| } | ||
| } | ||
| } | ||
| return false; | ||
| } | ||
| } |
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