Hey Sandish, looks like the apache email ate the attached file. Would please you post it again?
On Wed, Jun 12, 2019 at 11:50 AM Sandish Kumar HN <sanysand...@gmail.com> wrote: > Hey Jihoon, > > Please find Jstack dump in the attached file. > > On Wed, 12 Jun 2019 at 11:15, Jihoon Son <ghoon...@gmail.com> wrote: > >> Thank you for posting the stack trace. >> Now I'm wondering where it was stuck at. >> Would you mind running jstack thread dump while you're seeing that test is >> stuck, and posting the result? >> >> Jihoon >> >> On Tue, Jun 11, 2019 at 7:08 PM Sandish Kumar HN <sanysand...@gmail.com> >> wrote: >> >> > Hi Jihoon, >> > >> > Thanks for quick response, here is a full stack trace. >> > >> > Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0 sec - >> in >> > org.apache.druid.server.JettyUtilsTest >> > >> > Running org.apache.druid.server.SegmentManagerThreadSafetyTest >> > >> > Tests run: 5, Failures: 0, Errors: 4, Skipped: 0, Time elapsed: 20.137 >> sec >> > <<< FAILURE! - in org.apache.druid.server.SegmentManagerThreadSafetyTest >> > >> > >> > >> testLoadMultipleSegments(org.apache.druid.server.SegmentManagerThreadSafetyTest) >> > Time elapsed: 5.055 sec <<< ERROR! >> > >> > org.junit.runners.model.TestTimedOutException: test timed out after 5000 >> > milliseconds >> > >> > at sun.misc.Unsafe.park(Native Method) >> > >> > at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) >> > >> > at java.util.concurrent.FutureTask.awaitDone(FutureTask.java:429) >> > >> > at java.util.concurrent.FutureTask.get(FutureTask.java:191) >> > >> > at >> > >> > >> org.apache.druid.server.SegmentManagerThreadSafetyTest.testLoadMultipleSegments(SegmentManagerThreadSafetyTest.java:166) >> > >> > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >> > >> > at >> > >> > >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) >> > >> > at >> > >> > >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) >> > >> > at java.lang.reflect.Method.invoke(Method.java:498) >> > >> > at >> > >> > >> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) >> > >> > at >> > >> > >> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) >> > >> > at >> > >> > >> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) >> > >> > at >> > >> > >> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) >> > >> > at >> > >> > >> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298) >> > >> > at >> > >> > >> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292) >> > >> > at java.util.concurrent.FutureTask.run(FutureTask.java:266) >> > >> > at java.lang.Thread.run(Thread.java:748) >> > >> > >> > >> > >> testLoadMultipleSegments(org.apache.druid.server.SegmentManagerThreadSafetyTest) >> > Time elapsed: 5.021 sec <<< ERROR! >> > >> > org.junit.runners.model.TestTimedOutException: test timed out after 5000 >> > milliseconds >> > >> > at sun.misc.Unsafe.park(Native Method) >> > >> > at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) >> > >> > at java.util.concurrent.FutureTask.awaitDone(FutureTask.java:429) >> > >> > at java.util.concurrent.FutureTask.get(FutureTask.java:191) >> > >> > at >> > >> > >> org.apache.druid.server.SegmentManagerThreadSafetyTest.testLoadMultipleSegments(SegmentManagerThreadSafetyTest.java:166) >> > >> > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >> > >> > at >> > >> > >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) >> > >> > at >> > >> > >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) >> > >> > at java.lang.reflect.Method.invoke(Method.java:498) >> > >> > at >> > >> > >> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) >> > >> > at >> > >> > >> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) >> > >> > at >> > >> > >> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) >> > >> > at >> > >> > >> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) >> > >> > at >> > >> > >> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298) >> > >> > at >> > >> > >> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292) >> > >> > at java.util.concurrent.FutureTask.run(FutureTask.java:266) >> > >> > at java.lang.Thread.run(Thread.java:748) >> > >> > >> > >> > >> testLoadMultipleSegments(org.apache.druid.server.SegmentManagerThreadSafetyTest) >> > Time elapsed: 5.02 sec <<< ERROR! >> > >> > org.junit.runners.model.TestTimedOutException: test timed out after 5000 >> > milliseconds >> > >> > at sun.misc.Unsafe.park(Native Method) >> > >> > at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) >> > >> > at java.util.concurrent.FutureTask.awaitDone(FutureTask.java:429) >> > >> > at java.util.concurrent.FutureTask.get(FutureTask.java:191) >> > >> > at >> > >> > >> org.apache.druid.server.SegmentManagerThreadSafetyTest.testLoadMultipleSegments(SegmentManagerThreadSafetyTest.java:166) >> > >> > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >> > >> > at >> > >> > >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) >> > >> > at >> > >> > >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) >> > >> > at java.lang.reflect.Method.invoke(Method.java:498) >> > >> > at >> > >> > >> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) >> > >> > at >> > >> > >> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) >> > >> > at >> > >> > >> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) >> > >> > at >> > >> > >> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) >> > >> > at >> > >> > >> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298) >> > >> > at >> > >> > >> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292) >> > >> > at java.util.concurrent.FutureTask.run(FutureTask.java:266) >> > >> > at java.lang.Thread.run(Thread.java:748) >> > >> > >> > >> > >> testLoadMultipleSegments(org.apache.druid.server.SegmentManagerThreadSafetyTest) >> > Time elapsed: 5.028 sec <<< ERROR! >> > >> > org.junit.runners.model.TestTimedOutException: test timed out after 5000 >> > milliseconds >> > >> > at sun.misc.Unsafe.park(Native Method) >> > >> > at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) >> > >> > at java.util.concurrent.FutureTask.awaitDone(FutureTask.java:429) >> > >> > at java.util.concurrent.FutureTask.get(FutureTask.java:191) >> > >> > at >> > >> > >> org.apache.druid.server.SegmentManagerThreadSafetyTest.testLoadMultipleSegments(SegmentManagerThreadSafetyTest.java:166) >> > >> > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >> > >> > at >> > >> > >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) >> > >> > at >> > >> > >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) >> > >> > at java.lang.reflect.Method.invoke(Method.java:498) >> > >> > at >> > >> > >> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) >> > >> > at >> > >> > >> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) >> > >> > at >> > >> > >> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) >> > >> > at >> > >> > >> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) >> > >> > at >> > >> > >> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298) >> > >> > at >> > >> > >> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292) >> > >> > at java.util.concurrent.FutureTask.run(FutureTask.java:266) >> > >> > at java.lang.Thread.run(Thread.java:748) >> > . >> > >> > . >> > >> > . >> > >> > . >> > >> > Running org.apache.druid.metadata.SQLMetadataConnectorTest >> > >> > Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.656 >> sec - >> > in org.apache.druid.metadata.SQLMetadataConnectorTest >> > >> > >> > Results : >> > >> > >> > Tests in error: >> > >> > >> > >> org.apache.druid.server.SegmentManagerThreadSafetyTest.testLoadMultipleSegments(org.apache.druid.server.SegmentManagerThreadSafetyTest) >> > >> > Run 1: SegmentManagerThreadSafetyTest.testLoadMultipleSegments:166 » >> > TestTimedOut tes... >> > >> > Run 2: SegmentManagerThreadSafetyTest.testLoadMultipleSegments:166 » >> > TestTimedOut tes... >> > >> > Run 3: SegmentManagerThreadSafetyTest.testLoadMultipleSegments:166 » >> > TestTimedOut tes... >> > >> > Run 4: SegmentManagerThreadSafetyTest.testLoadMultipleSegments:166 » >> > TestTimedOut tes... >> > >> > >> > >> > Tests run: 1281, Failures: 0, Errors: 1, Skipped: 17 >> > >> > >> > [*INFO*] >> > >> *------------------------------------------------------------------------* >> > >> > [*INFO*] *BUILD FAILURE* >> > >> > [*INFO*] >> > >> *------------------------------------------------------------------------* >> > >> > [*INFO*] Total time: 01:56 h >> > >> > [*INFO*] Finished at: 2019-06-11T18:57:19-07:00 >> > >> > [*INFO*] >> > >> *------------------------------------------------------------------------* >> > >> > [*ERROR*] Failed to execute goal >> > org.apache.maven.plugins:maven-surefire-plugin:2.19.1:test >> *(default-test)* >> > on project druid-server: *There are test failures.* >> > >> > [*ERROR*] >> > >> > [*ERROR*] *Please refer to >> > /Users/sandishkumarhn/git/incubator-druid/server/target/surefire-reports >> > for the individual test results.* >> > >> > [*ERROR*] -> *[Help 1]* >> > >> > *org.apache.maven.lifecycle.LifecycleExecutionException*: *Failed to >> > execute goal >> **org.apache.maven.plugins:maven-surefire-plugin:2.19.1:test* >> > *(default-test)* on project druid-server: *There are test failures.* >> > >> > >> > *Please refer to >> > /Users/sandishkumarhn/git/incubator-druid/server/target/surefire-reports >> > for the individual test results.* >> > >> > *at* org.apache.maven.lifecycle.internal.MojoExecutor.execute ( >> > *MojoExecutor.java:215*) >> > >> > *at* org.apache.maven.lifecycle.internal.MojoExecutor.execute ( >> > *MojoExecutor.java:156*) >> > >> > *at* org.apache.maven.lifecycle.internal.MojoExecutor.execute ( >> > *MojoExecutor.java:148*) >> > >> > *at* >> > org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject >> ( >> > *LifecycleModuleBuilder.java:117*) >> > >> > *at* >> > org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject >> ( >> > *LifecycleModuleBuilder.java:81*) >> > >> > *at* >> > >> > >> org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build >> > (*SingleThreadedBuilder.java:56*) >> > >> > *at* org.apache.maven.lifecycle.internal.LifecycleStarter.execute ( >> > *LifecycleStarter.java:128*) >> > >> > *at* org.apache.maven.DefaultMaven.doExecute >> (*DefaultMaven.java:305*) >> > >> > *at* org.apache.maven.DefaultMaven.doExecute >> (*DefaultMaven.java:192*) >> > >> > *at* org.apache.maven.DefaultMaven.execute (*DefaultMaven.java:105*) >> > >> > *at* org.apache.maven.cli.MavenCli.execute (*MavenCli.java:956*) >> > >> > *at* org.apache.maven.cli.MavenCli.doMain (*MavenCli.java:288*) >> > >> > *at* org.apache.maven.cli.MavenCli.main (*MavenCli.java:192*) >> > >> > *at* sun.reflect.NativeMethodAccessorImpl.invoke0 (*Native Method*) >> > >> > *at* sun.reflect.NativeMethodAccessorImpl.invoke ( >> > *NativeMethodAccessorImpl.java:62*) >> > >> > *at* sun.reflect.DelegatingMethodAccessorImpl.invoke ( >> > *DelegatingMethodAccessorImpl.java:43*) >> > >> > *at* java.lang.reflect.Method.invoke (*Method.java:498*) >> > >> > *at* >> org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced ( >> > *Launcher.java:282*) >> > >> > *at* org.codehaus.plexus.classworlds.launcher.Launcher.launch ( >> > *Launcher.java:225*) >> > >> > *at* >> org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode >> > (*Launcher.java:406*) >> > >> > *at* org.codehaus.plexus.classworlds.launcher.Launcher.main ( >> > *Launcher.java:347*) >> > >> > *Caused by*: org.apache.maven.plugin.MojoFailureException: *There are >> test >> > failures.* >> > >> > >> > *Please refer to >> > /Users/sandishkumarhn/git/incubator-druid/server/target/surefire-reports >> > for the individual test results.* >> > >> > *at* >> org.apache.maven.plugin.surefire.SurefireHelper.reportExecution ( >> > *SurefireHelper.java:91*) >> > >> > *at* org.apache.maven.plugin.surefire.SurefirePlugin.handleSummary ( >> > *SurefirePlugin.java:320*) >> > >> > *at* >> > >> > >> org.apache.maven.plugin.surefire.AbstractSurefireMojo.executeAfterPreconditionsChecked >> > (*AbstractSurefireMojo.java:892*) >> > >> > *at* org.apache.maven.plugin.surefire.AbstractSurefireMojo.execute ( >> > *AbstractSurefireMojo.java:755*) >> > >> > *at* org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo ( >> > *DefaultBuildPluginManager.java:137*) >> > >> > *at* org.apache.maven.lifecycle.internal.MojoExecutor.execute ( >> > *MojoExecutor.java:210*) >> > >> > *at* org.apache.maven.lifecycle.internal.MojoExecutor.execute ( >> > *MojoExecutor.java:156*) >> > >> > *at* org.apache.maven.lifecycle.internal.MojoExecutor.execute ( >> > *MojoExecutor.java:148*) >> > >> > *at* >> > org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject >> ( >> > *LifecycleModuleBuilder.java:117*) >> > >> > *at* >> > org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject >> ( >> > *LifecycleModuleBuilder.java:81*) >> > >> > *at* >> > >> > >> org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build >> > (*SingleThreadedBuilder.java:56*) >> > >> > *at* org.apache.maven.lifecycle.internal.LifecycleStarter.execute ( >> > *LifecycleStarter.java:128*) >> > >> > *at* org.apache.maven.DefaultMaven.doExecute >> (*DefaultMaven.java:305*) >> > >> > *at* org.apache.maven.DefaultMaven.doExecute >> (*DefaultMaven.java:192*) >> > >> > *at* org.apache.maven.DefaultMaven.execute (*DefaultMaven.java:105*) >> > >> > *at* org.apache.maven.cli.MavenCli.execute (*MavenCli.java:956*) >> > >> > *at* org.apache.maven.cli.MavenCli.doMain (*MavenCli.java:288*) >> > >> > *at* org.apache.maven.cli.MavenCli.main (*MavenCli.java:192*) >> > >> > *at* sun.reflect.NativeMethodAccessorImpl.invoke0 (*Native Method*) >> > >> > *at* sun.reflect.NativeMethodAccessorImpl.invoke ( >> > *NativeMethodAccessorImpl.java:62*) >> > >> > *at* sun.reflect.DelegatingMethodAccessorImpl.invoke ( >> > *DelegatingMethodAccessorImpl.java:43*) >> > >> > *at* java.lang.reflect.Method.invoke (*Method.java:498*) >> > >> > *at* >> org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced ( >> > *Launcher.java:282*) >> > >> > *at* org.codehaus.plexus.classworlds.launcher.Launcher.launch ( >> > *Launcher.java:225*) >> > >> > *at* >> org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode >> > (*Launcher.java:406*) >> > >> > *at* org.codehaus.plexus.classworlds.launcher.Launcher.main ( >> > *Launcher.java:347*) >> > >> > [*ERROR*] >> > >> > [*ERROR*] >> > >> > [*ERROR*] For more information about the errors and possible solutions, >> > please read the following articles: >> > >> > [*ERROR*] *[Help 1]* >> > http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException >> > >> > On Tue, 11 Jun 2019 at 16:56, Jihoon Son <ghoon...@gmail.com> wrote: >> > >> > > Hmm, I've never seen this error before. >> > > Would you please post the full stack trace? >> > > >> > > Jihoon >> > > >> > > On Tue, Jun 11, 2019 at 4:51 PM Sandish Kumar HN < >> sanysand...@gmail.com> >> > > wrote: >> > > >> > > > Hi All, >> > > > >> > > > I'm getting below error on mvn clean install on the master branch >> > > > Java Version 1.8.X >> > > > Maven 3.6.X >> > > > >> > > > org.junit.runners.model.TestTimedOutException: test timed out after >> > 5000 >> > > > milliseconds >> > > > >> > > > at sun.misc.Unsafe.park(Native Method) >> > > > >> > > > at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) >> > > > >> > > > at java.util.concurrent.FutureTask.awaitDone(FutureTask.java:429) >> > > > >> > > > at java.util.concurrent.FutureTask.get(FutureTask.java:191) >> > > > >> > > > at >> > > > >> > > > >> > > >> > >> org.apache.druid.server.SegmentManagerThreadSafetyTest.testLoadMultipleSegments(SegmentManagerThreadSafetyTest.java:166) >> > > > >> > > > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >> > > > >> > > > at >> > > > >> > > > >> > > >> > >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) >> > > > >> > > > at >> > > > >> > > > >> > > >> > >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) >> > > > >> > > > at java.lang.reflect.Method.invoke(Method.java:498) >> > > > >> > > > at >> > > > >> > > > >> > > >> > >> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) >> > > > >> > > > at >> > > > >> > > > >> > > >> > >> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) >> > > > >> > > > at >> > > > >> > > > >> > > >> > >> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) >> > > > >> > > > at >> > > > >> > > > >> > > >> > >> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) >> > > > >> > > > at >> > > > >> > > > >> > > >> > >> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298) >> > > > >> > > > at >> > > > >> > > > >> > > >> > >> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292) >> > > > >> > > > at java.util.concurrent.FutureTask.run(FutureTask.java:266) >> > > > >> > > > at java.lang.Thread.run(Thread.java:748) >> > > > >> > > > >> > > > >> > > >> > >> testLoadSameSegment(org.apache.druid.server.SegmentManagerThreadSafetyTest) >> > > > Time elapsed: 5.009 sec <<< ERROR! >> > > > >> > > > org.junit.runners.model.TestTimedOutException: test timed out after >> > 5000 >> > > > milliseconds >> > > > >> > > > at sun.misc.Unsafe.park(Native Method) >> > > > >> > > > at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175) >> > > > >> > > > >> > > > >> > > > Tests in error: >> > > > >> > > > >> > > > >> > > >> > >> org.apache.druid.server.SegmentManagerThreadSafetyTest.testLoadMultipleSegments(org.apache.druid.server.SegmentManagerThreadSafetyTest) >> > > > >> > > > Run 1: >> SegmentManagerThreadSafetyTest.testLoadMultipleSegments:166 » >> > > > TestTimedOut tes... >> > > > >> > > > Run 2: >> SegmentManagerThreadSafetyTest.testLoadMultipleSegments:166 » >> > > > TestTimedOut tes... >> > > > >> > > > Run 3: >> SegmentManagerThreadSafetyTest.testLoadMultipleSegments:166 » >> > > > TestTimedOut tes... >> > > > >> > > > Run 4: >> SegmentManagerThreadSafetyTest.testLoadMultipleSegments:166 » >> > > > TestTimedOut tes... >> > > > >> > > > >> > > > Flaked tests: >> > > > >> > > > >> > > > >> > > >> > >> org.apache.druid.server.SegmentManagerThreadSafetyTest.testLoadSameSegment(org.apache.druid.server.SegmentManagerThreadSafetyTest) >> > > > >> > > > Run 1: SegmentManagerThreadSafetyTest.testLoadSameSegment:135 » >> > > > TestTimedOut test tim... >> > > > >> > > > Run 2: PASS >> > > > >> > > > >> > > > Can someone please on this ?? >> > > > >> > > > >> > > > -- >> > > > >> > > > Thanks, >> > > > Regards, >> > > > SandishKumar HN >> > > > >> > > >> > >> > >> > -- >> > >> > Thanks, >> > Regards, >> > SandishKumar HN >> > >> > > > -- > > Thanks, > Regards, > SandishKumar HN > > --------------------------------------------------------------------- > To unsubscribe, e-mail: dev-unsubscr...@druid.apache.org > For additional commands, e-mail: dev-h...@druid.apache.org
