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HIVE-27751 Log Query Compilation summary in an accumulated way (#4755)…
… (Ramesh Kumar reviewed by Stamatis Zampetakis)
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130
ql/src/java/org/apache/hadoop/hive/ql/QueryCompilationSummaryHook.java
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| /* | ||
| * 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.hadoop.hive.ql; | ||
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| import org.apache.hadoop.hive.ql.hooks.QueryLifeTimeHook; | ||
| import org.apache.hadoop.hive.ql.hooks.QueryLifeTimeHookContext; | ||
| import org.apache.hadoop.hive.ql.log.PerfLogger; | ||
| import org.apache.hadoop.hive.ql.session.SessionState; | ||
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| import java.util.ArrayList; | ||
| import java.util.List; | ||
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| import static org.apache.hadoop.hive.common.log.InPlaceUpdate.MIN_TERMINAL_WIDTH; | ||
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| public class QueryCompilationSummaryHook implements QueryLifeTimeHook { | ||
| private static final String OPERATION_SUMMARY = "%-84s %9s"; | ||
| private static final String QUERY_COMPILATION_SUMMARY = "Query Compilation Summary"; | ||
| private static final String LINE_SEPARATOR = "line.separator"; | ||
| private static final String TOTAL_COMPILATION_TIME = "Total Compilation Time"; | ||
| private static final List<CompileStep> compileSteps = new ArrayList<>(); | ||
| private static final String SEPARATOR = new String(new char[MIN_TERMINAL_WIDTH]).replace("\0", "-"); | ||
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| private String format(String value, long number) { | ||
| return String.format(OPERATION_SUMMARY, value, number + "ms"); | ||
| } | ||
| @Override | ||
| public void beforeCompile(QueryLifeTimeHookContext ctx) { | ||
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| } | ||
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| @Override | ||
| public void afterCompile(QueryLifeTimeHookContext ctx, boolean hasError) { | ||
| printCompileSummary(); | ||
| } | ||
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| @Override | ||
| public void beforeExecution(QueryLifeTimeHookContext ctx) { | ||
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| } | ||
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| @Override | ||
| public void afterExecution(QueryLifeTimeHookContext ctx, boolean hasError) { | ||
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| } | ||
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| private static final class CompileStep { | ||
| final private String name; | ||
| final private List<CompileStep> subSteps; | ||
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| public CompileStep(String name) { | ||
| this.name = name; | ||
| subSteps = new ArrayList<>(); | ||
| } | ||
| public void addSubStep(CompileStep subStep) { | ||
| subSteps.add(subStep); | ||
| } | ||
| public List<CompileStep> getSubSteps() { | ||
| return subSteps; | ||
| } | ||
| } | ||
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| static { | ||
| compileSteps.add(new CompileStep(PerfLogger.PARSE)); | ||
| compileSteps.add(new CompileStep(PerfLogger.GENERATE_RESOLVED_PARSETREE)); | ||
| CompileStep logicalPlanAndOpTree = new CompileStep(PerfLogger.LOGICALPLAN_AND_HIVE_OPERATOR_TREE); | ||
| CompileStep logicalPlan = new CompileStep(PerfLogger.GENERATE_LOGICAL_PLAN); | ||
| logicalPlanAndOpTree.addSubStep(logicalPlan); | ||
| logicalPlan.addSubStep(new CompileStep(PerfLogger.PLAN_GENERATION)); | ||
| logicalPlan.addSubStep(new CompileStep(PerfLogger.MV_REWRITE_FIELD_TRIMMER)); | ||
| logicalPlan.addSubStep(new CompileStep(PerfLogger.REMOVING_SUBQUERY)); | ||
| logicalPlan.addSubStep(new CompileStep(PerfLogger.DECORRELATION)); | ||
| logicalPlan.addSubStep(new CompileStep(PerfLogger.VALIDATE_QUERY_MATERIALIZATION)); | ||
| logicalPlan.addSubStep(new CompileStep(PerfLogger.PREJOIN_ORDERING)); | ||
| logicalPlan.addSubStep(new CompileStep(PerfLogger.MV_REWRITING)); | ||
| logicalPlan.addSubStep(new CompileStep(PerfLogger.JOIN_REORDERING)); | ||
| logicalPlan.addSubStep(new CompileStep(PerfLogger.POSTJOIN_ORDERING)); | ||
| logicalPlan.addSubStep(new CompileStep(PerfLogger.HIVE_SORT_PREDICATES)); | ||
| logicalPlanAndOpTree.addSubStep(new CompileStep(PerfLogger.GENERATE_OPERATOR_TREE)); | ||
| compileSteps.add(logicalPlanAndOpTree); | ||
| compileSteps.add(new CompileStep(PerfLogger.DEDUCE_RESULTSET_SCHEMA)); | ||
| compileSteps.add(new CompileStep(PerfLogger.PARSE_CONTEXT_GENERATION)); | ||
| compileSteps.add(new CompileStep(PerfLogger.SAVE_AND_VALIDATE_VIEW)); | ||
| compileSteps.add(new CompileStep(PerfLogger.LOGICAL_OPTIMIZATION)); | ||
| compileSteps.add(new CompileStep(PerfLogger.PHYSICAL_OPTIMIZATION)); | ||
| compileSteps.add(new CompileStep(PerfLogger.POST_PROCESSING)); | ||
| } | ||
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| public void printCompileSummary() { | ||
| StringBuilder compileSummary = new StringBuilder(); | ||
| compileSummary.append(QUERY_COMPILATION_SUMMARY); | ||
| compileSummary.append(System.getProperty(LINE_SEPARATOR)); | ||
| compileSummary.append(SEPARATOR); | ||
| compileSummary.append(System.getProperty(LINE_SEPARATOR)); | ||
| PerfLogger perfLogger = SessionState.getPerfLogger(); | ||
| appendCompileSteps(compileSummary, perfLogger, "", compileSteps); | ||
| compileSummary.append(format(TOTAL_COMPILATION_TIME, perfLogger.getDuration(PerfLogger.COMPILE))); | ||
| compileSummary.append(System.getProperty(LINE_SEPARATOR)); | ||
| compileSummary.append(SEPARATOR); | ||
| SessionState.getConsole().printInfo(compileSummary.toString(), false); | ||
| } | ||
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| public void appendCompileSteps(StringBuilder compileSummary, PerfLogger perfLogger, String prefix, | ||
| List<CompileStep> currentLevelCompileSteps) { | ||
| int counter = 1; | ||
| for (CompileStep compileStep : currentLevelCompileSteps) { | ||
| compileSummary.append(format(PerfLogger.COMPILE_STEP + " - " + | ||
| prefix + counter + " " + compileStep.name, | ||
| perfLogger.getDuration(compileStep.name))); | ||
| compileSummary.append(System.getProperty(LINE_SEPARATOR)); | ||
| appendCompileSteps(compileSummary, perfLogger, prefix + counter + ".", compileStep.getSubSteps()); | ||
| ++counter; | ||
| } | ||
| } | ||
| } |
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