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https://issues.apache.org/jira/browse/SPARK-26728?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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liupengcheng updated SPARK-26728:
---------------------------------
Summary: Make rdd.unpersist blocking configurable (was: Make rdd.unpersist
and broadcast.unpersist blocking configurable)
> Make rdd.unpersist blocking configurable
> ----------------------------------------
>
> Key: SPARK-26728
> URL: https://issues.apache.org/jira/browse/SPARK-26728
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 2.1.0, 2.4.0
> Reporter: liupengcheng
> Priority: Major
>
> Currently, rdd.unpersist's blocking argument is set to true by default.
> However, in actual production cluster(especially large cluster), node lost or
> network issue can always happen.
> Users always use rdd.unpersist as non-exceptional, so sometimes the blocking
> unpersist may cause user's job failure, and this happened many times in our
> cluster.
> {code:java}
> 2018-05-16,13:28:33,489 WARN org.apache.spark.storage.BlockManagerMaster:
> Failed to remove RDD 15 - Failed to send RPC 7571440800577648876 to
> c3-hadoop-prc-st2325.bj/10.136.136.25:43474:
> java.nio.channels.ClosedChannelException
> java.io.IOException: Failed to send RPC 7571440800577648876 to
> c3-hadoop-prc-st2325.bj/10.136.136.25:43474:
> java.nio.channels.ClosedChannelException
> at
> org.apache.spark.network.client.TransportClient$3.operationComplete(TransportClient.java:239)
> at
> org.apache.spark.network.client.TransportClient$3.operationComplete(TransportClient.java:226)
> at
> io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:680)
> at
> io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:567)
> at
> io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:424)
> at
> io.netty.channel.AbstractChannel$AbstractUnsafe.safeSetFailure(AbstractChannel.java:801)
> at
> io.netty.channel.AbstractChannel$AbstractUnsafe.write(AbstractChannel.java:699)
> at
> io.netty.channel.DefaultChannelPipeline$HeadContext.write(DefaultChannelPipeline.java:1122)
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:633)
> at
> io.netty.channel.AbstractChannelHandlerContext.access$1900(AbstractChannelHandlerContext.java:32)
> at
> io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.write(AbstractChannelHandlerContext.java:908)
> at
> io.netty.channel.AbstractChannelHandlerContext$WriteAndFlushTask.write(AbstractChannelHandlerContext.java:960)
> at
> io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.run(AbstractChannelHandlerContext.java:893)
> at
> io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:357)
> at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:357)
> at
> io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:111)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.nio.channels.ClosedChannelException
> 2018-05-16,13:28:33,489 ERROR org.apache.spark.deploy.yarn.ApplicationMaster:
> User class threw exception: java.io.IOException: Failed to send RPC
> 7571440800577648876 to c3-hadoop-prc-st2325.bj/10.136.136.25:43474:
> java.nio.channels.ClosedChannelException
> java.io.IOException: Failed to send RPC 7571440800577648876 to
> c3-hadoop-prc-st2325.bj/10.136.136.25:43474:
> java.nio.channels.ClosedChannelException
> at
> org.apache.spark.network.client.TransportClient$3.operationComplete(TransportClient.java:239)
> at
> org.apache.spark.network.client.TransportClient$3.operationComplete(TransportClient.java:226)
> at
> io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:680)
> at
> io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:567)
> at
> io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:424)
> at
> io.netty.channel.AbstractChannel$AbstractUnsafe.safeSetFailure(AbstractChannel.java:801)
> at
> io.netty.channel.AbstractChannel$AbstractUnsafe.write(AbstractChannel.java:699)
> at
> io.netty.channel.DefaultChannelPipeline$HeadContext.write(DefaultChannelPipeline.java:1122)
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:633)
> at
> io.netty.channel.AbstractChannelHandlerContext.access$1900(AbstractChannelHandlerContext.java:32)
> at
> io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.write(AbstractChannelHandlerContext.java:908)
> at
> io.netty.channel.AbstractChannelHandlerContext$WriteAndFlushTask.write(AbstractChannelHandlerContext.java:960)
> at
> io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.run(AbstractChannelHandlerContext.java:893)
> at
> io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:357)
> at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:357)
> at
> io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:111)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.nio.channels.ClosedChannelException
> {code}
> I think we can make this blocking argument as a config, so that we can
> control the default value of it with gray scale systems.
>
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