[ https://issues.apache.org/jira/browse/HIVE-11617?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Aihua Xu updated HIVE-11617: ---------------------------- Attachment: (was: HIVE-11617.patch) > Explain plan for multiple lateral views is very slow > ---------------------------------------------------- > > Key: HIVE-11617 > URL: https://issues.apache.org/jira/browse/HIVE-11617 > Project: Hive > Issue Type: Bug > Components: Logical Optimizer > Reporter: Aihua Xu > Assignee: Aihua Xu > Attachments: HIVE-11617.patch > > > The following explain job will be very slow or never finish if there are many > lateral views involved. High CPU usage is also noticed. > {noformat} > EXPLAIN > SELECT > * > from > ( > SELECT * FROM table1 > ) x > LATERAL VIEW json_tuple(...) x1 > LATERAL VIEW json_tuple(...) x2 > ... > {noformat} > From jstack, the job is busy with preorder tree traverse. > {noformat} > at java.util.regex.Matcher.getTextLength(Matcher.java:1234) > at java.util.regex.Matcher.reset(Matcher.java:308) > at java.util.regex.Matcher.<init>(Matcher.java:228) > at java.util.regex.Pattern.matcher(Pattern.java:1088) > at org.apache.hadoop.hive.ql.lib.RuleRegExp.cost(RuleRegExp.java:67) > at > org.apache.hadoop.hive.ql.lib.DefaultRuleDispatcher.dispatch(DefaultRuleDispatcher.java:72) > at > org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.dispatchAndReturn(DefaultGraphWalker.java:94) > at > org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.dispatch(DefaultGraphWalker.java:78) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:56) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.PreOrderWalker.walk(PreOrderWalker.java:61) > at > org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.startWalking(DefaultGraphWalker.java:109) > at > org.apache.hadoop.hive.ql.optimizer.lineage.Generator.transform(Generator.java:95) > at > org.apache.hadoop.hive.ql.optimizer.Optimizer.optimize(Optimizer.java:182) > at > org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:10216) > at > org.apache.hadoop.hive.ql.parse.CalcitePlanner.analyzeInternal(CalcitePlanner.java:192) > at > org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:222) > at > org.apache.hadoop.hive.ql.parse.ExplainSemanticAnalyzer.analyzeInternal(ExplainSemanticAnalyzer.java:74) > at > org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:222) > at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:421) > at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:307) > at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:1110) > - locked <0x00000007f0eb9e28> (a java.lang.Object) > at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1158) > at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1047) > at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1037) > at > org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:207) > at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:159) > at > org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:370) > at > org.apache.hadoop.hive.cli.CliDriver.executeDriver(CliDriver.java:756) > at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:675) > at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:615) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:606) > at org.apache.hadoop.util.RunJar.run(RunJar.java:221) > {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332)