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https://issues.apache.org/jira/browse/SPARK-29765?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16968649#comment-16968649
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Viacheslav Tradunsky commented on SPARK-29765:
----------------------------------------------
[~shahid]
sure, in case we have more than 200 000 tasks shall we set this to our maximum?
Just trying to understand how GC of objects could influence access in immutable
collection. Do you allow somehow the elements to be collected when they are
referenced by that vector?
> Monitoring UI throws IndexOutOfBoundsException when accessing metrics of
> attempt in stage
> -----------------------------------------------------------------------------------------
>
> Key: SPARK-29765
> URL: https://issues.apache.org/jira/browse/SPARK-29765
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 2.4.4
> Environment: Amazon EMR 5.27
> Reporter: Viacheslav Tradunsky
> Priority: Major
>
> When clicking on one of the largest tasks by input, I get to
> [http://<ip>:20888/proxy/application_1572992299050_0001/stages/stage/?id=74&attempt=0|http://10.207.110.207:20888/proxy/application_1572992299050_0001/stages/stage/?id=74&attempt=0]
> with 500 error
> {code:java}
> java.lang.IndexOutOfBoundsException: 95745 at
> scala.collection.immutable.Vector.checkRangeConvert(Vector.scala:132) at
> scala.collection.immutable.Vector.apply(Vector.scala:122) at
> org.apache.spark.status.AppStatusStore$$anonfun$scanTasks$1$1.apply$mcDJ$sp(AppStatusStore.scala:255)
> at
> org.apache.spark.status.AppStatusStore$$anonfun$scanTasks$1$1.apply(AppStatusStore.scala:254)
> at
> org.apache.spark.status.AppStatusStore$$anonfun$scanTasks$1$1.apply(AppStatusStore.scala:254)
> at
> scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
> at
> scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
> at
> scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33)
> at scala.collection.mutable.ArrayOps$ofLong.foreach(ArrayOps.scala:246) at
> scala.collection.TraversableLike$class.map(TraversableLike.scala:234) at
> scala.collection.mutable.ArrayOps$ofLong.map(ArrayOps.scala:246) at
> org.apache.spark.status.AppStatusStore.scanTasks$1(AppStatusStore.scala:254)
> at
> org.apache.spark.status.AppStatusStore.taskSummary(AppStatusStore.scala:287)
> at org.apache.spark.ui.jobs.StagePage.render(StagePage.scala:321) at
> org.apache.spark.ui.WebUI$$anonfun$2.apply(WebUI.scala:84) at
> org.apache.spark.ui.WebUI$$anonfun$2.apply(WebUI.scala:84) at
> org.apache.spark.ui.JettyUtils$$anon$3.doGet(JettyUtils.scala:90) at
> javax.servlet.http.HttpServlet.service(HttpServlet.java:687) at
> javax.servlet.http.HttpServlet.service(HttpServlet.java:790) at
> org.spark_project.jetty.servlet.ServletHolder.handle(ServletHolder.java:848)
> at
> org.spark_project.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1772)
> at
> org.apache.hadoop.yarn.server.webproxy.amfilter.AmIpFilter.doFilter(AmIpFilter.java:166)
> at
> org.spark_project.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1759)
> at
> org.spark_project.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:582)
> at
> org.spark_project.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)
> at
> org.spark_project.jetty.servlet.ServletHandler.doScope(ServletHandler.java:512)
> at
> org.spark_project.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)
> at
> org.spark_project.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
> at
> org.spark_project.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:493)
> at
> org.spark_project.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:213)
> at
> org.spark_project.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
> at org.spark_project.jetty.server.Server.handle(Server.java:539) at
> org.spark_project.jetty.server.HttpChannel.handle(HttpChannel.java:333) at
> org.spark_project.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)
> at
> org.spark_project.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:283)
> at org.spark_project.jetty.io.FillInterest.fillable(FillInterest.java:108)
> at
> org.spark_project.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)
> at
> org.spark_project.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)
> at
> org.spark_project.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
> at
> org.spark_project.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
> at
> org.spark_project.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
> at
> org.spark_project.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
> at java.lang.Thread.run(Thread.java:748){code}
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