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Posted to issues@kylin.apache.org by "Xiaoxiang Yu (Jira)" <ji...@apache.org> on 2019/12/20 07:55:00 UTC
[jira] [Comment Edited] (KYLIN-4305) Streaming Receiver cannot
limit income query request or cancel long-running query
[ https://issues.apache.org/jira/browse/KYLIN-4305?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17000698#comment-17000698 ]
Xiaoxiang Yu edited comment on KYLIN-4305 at 12/20/19 7:54 AM:
---------------------------------------------------------------
After apply my patch, the jstack is shown in https://issues.apache.org/jira/secure/attachment/12989252/after_repair_receiver.jstack
was (Author: hit_lacus):
After apply my patch, the jstack is shown in [^streaming_receiver_jstack.log].
> Streaming Receiver cannot limit income query request or cancel long-running query
> ---------------------------------------------------------------------------------
>
> Key: KYLIN-4305
> URL: https://issues.apache.org/jira/browse/KYLIN-4305
> Project: Kylin
> Issue Type: Improvement
> Components: Real-time Streaming
> Reporter: Xiaoxiang Yu
> Priority: Major
> Attachments: Jietu20191217-221025.png, after_repair_receiver.jstack, image-2019-12-17-22-12-01-098.png, streaming_receiver_jstack.log
>
>
> When under heavy load(high rate of query request), receiver can not stand it, and most quey may timeout, but the query processing thread cannot be cancelled in receiver side, which will cause receiver's crash. You have to restart it.
> kylin.log
> {code:java}
> Caused by: java.lang.RuntimeException: timeout when call stream rpc
> at org.apache.kylin.storage.stream.rpc.HttpStreamDataSearchClient$QueuedStreamingTupleIterator.hasNext(HttpStreamDataSearchClient.java:298)
> at com.google.common.collect.Iterators$5.hasNext(Iterators.java:596)
> at org.apache.kylin.metadata.tuple.CompoundTupleIterator.hasNext(CompoundTupleIterator.java:52)
> at org.apache.kylin.query.enumerator.OLAPEnumerator.moveNext(OLAPEnumerator.java:63)
> at Baz$1$1.moveNext(Unknown Source)
> at org.apache.calcite.linq4j.EnumerableDefaults.groupBy_(EnumerableDefaults.java:825)
> at org.apache.calcite.linq4j.EnumerableDefaults.groupBy(EnumerableDefaults.java:761)
> at org.apache.calcite.linq4j.DefaultEnumerable.groupBy(DefaultEnumerable.java:302)
> at Baz.bind(Unknown Source)
> at org.apache.calcite.jdbc.CalcitePrepare$CalciteSignature.enumerable(CalcitePrepare.java:365)
> at org.apache.calcite.jdbc.CalciteConnectionImpl.enumerable(CalciteConnectionImpl.java:301)
> at org.apache.calcite.jdbc.CalciteMetaImpl._createIterable(CalciteMetaImpl.java:559)
> at org.apache.calcite.jdbc.CalciteMetaImpl.createIterable(CalciteMetaImpl.java:550)
> at org.apache.calcite.avatica.AvaticaResultSet.execute(AvaticaResultSet.java:182)
> at org.apache.calcite.jdbc.CalciteResultSet.execute(CalciteResultSet.java:67)
> at org.apache.calcite.jdbc.CalciteResultSet.execute(CalciteResultSet.java:44)
> at org.apache.calcite.avatica.AvaticaConnection$1.execute(AvaticaConnection.java:667)
> at org.apache.calcite.jdbc.CalciteMetaImpl.prepareAndExecute(CalciteMetaImpl.java:619)
> at org.apache.calcite.avatica.AvaticaConnection.prepareAndExecuteInternal(AvaticaConnection.java:675)
> at org.apache.calcite.avatica.AvaticaStatement.executeInternal(AvaticaStatement.java:156)
> ... 83 more
> {code}
> jstack
> {code:java}
> "qtp1901663135-48" #48 prio=5 os_prio=0 tid=0x00007f839995f800 nid=0x3cdd runnable [0x00007f83674fe000]
> java.lang.Thread.State: RUNNABLE
> at java.lang.Thread.yield(Native Method)
> at org.apache.kylin.stream.core.query.MultiThreadsResultCollector$1.hasNext(MultiThreadsResultCollector.java:75)
> at org.apache.kylin.stream.core.query.RecordsAggregator.aggregate(RecordsAggregator.java:100)
> at org.apache.kylin.stream.core.query.StreamingCubeDataSearcher$StreamAggregateSearchResult.iterator(StreamingCubeDataSearcher.java:191)
> at org.apache.kylin.stream.server.rest.controller.DataController.query(DataController.java:119)
> at sun.reflect.GeneratedMethodAccessor87.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205)
> at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133)
> at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97)
> at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827)
> at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738)
> at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
> at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)
> at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
> at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
> at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:872)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
> at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
> at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:848)
> at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:584)
> at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)
> at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:512)
> at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)
> at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
> at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:213)
> at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
> at org.eclipse.jetty.server.Server.handle(Server.java:534)
> at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:333)
> at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)
> at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:283)
> at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:108)
> at org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)
> at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)
> at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
> at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
> at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
> at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
> at java.lang.Thread.run(Thread.java:748)
> {code}
> {code}
> [root@cdh-worker-1 apache-kylin-3.0.0-SNAPSHOT-bin]# jstack 15512 | grep org.apache.kylin.stream.core.query.MultiThreadsResultCollector | wc -l
> 81
> {code}
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