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https://issues.apache.org/jira/browse/FLINK-2773?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14939027#comment-14939027
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Maximilian Michels edited comment on FLINK-2773 at 9/30/15 11:09 PM:
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Problem should be resolved with {{011cbbf}}.
was (Author: mxm):
Problem should be resolved with {011cbbf}.
> OutOfMemoryError on YARN Session
> --------------------------------
>
> Key: FLINK-2773
> URL: https://issues.apache.org/jira/browse/FLINK-2773
> Project: Flink
> Issue Type: Bug
> Components: YARN Client
> Affects Versions: 0.10
> Reporter: Fabian Hueske
> Assignee: Maximilian Michels
> Priority: Blocker
> Fix For: 0.10
>
>
> When running a Flink program on a detached YARN session using the latest
> master (commit {{0b3ca57b41e09937b9e63f2f443834c8ad1cf497}}), I observed this
> {{OutOfMemoryError}}
> {code}
> java.lang.Exception: The data preparation for task 'CoGroup
> (coGroup-A68B765B7BAB4E29BF6816965A994776)' , caused an error: Error
> obtaining the sorted input: Thread 'SortMerger Reading Thread' terminated due
> to an exception: java.lang.OutOfMemoryError: Direct buffer memory
> at
> org.apache.flink.runtime.operators.RegularPactTask.run(RegularPactTask.java:464)
> at
> org.apache.flink.runtime.operators.RegularPactTask.invoke(RegularPactTask.java:354)
> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:579)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.RuntimeException: Error obtaining the sorted input:
> Thread 'SortMerger Reading Thread' terminated due to an exception:
> java.lang.OutOfMemoryError: Direct buffer memory
> at
> org.apache.flink.runtime.operators.sort.UnilateralSortMerger.getIterator(UnilateralSortMerger.java:607)
> at
> org.apache.flink.runtime.operators.RegularPactTask.getInput(RegularPactTask.java:1089)
> at
> org.apache.flink.runtime.operators.CoGroupDriver.prepare(CoGroupDriver.java:97)
> at
> org.apache.flink.runtime.operators.RegularPactTask.run(RegularPactTask.java:459)
> ... 3 more
> Caused by: java.io.IOException: Thread 'SortMerger Reading Thread' terminated
> due to an exception: java.lang.OutOfMemoryError: Direct buffer memory
> at
> org.apache.flink.runtime.operators.sort.UnilateralSortMerger$ThreadBase.run(UnilateralSortMerger.java:787)
> Caused by:
> org.apache.flink.runtime.io.network.netty.exception.LocalTransportException:
> java.lang.OutOfMemoryError: Direct buffer memory
> at
> org.apache.flink.runtime.io.network.netty.PartitionRequestClientHandler.exceptionCaught(PartitionRequestClientHandler.java:153)
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:246)
> at
> io.netty.channel.AbstractChannelHandlerContext.fireExceptionCaught(AbstractChannelHandlerContext.java:224)
> at
> io.netty.channel.ChannelInboundHandlerAdapter.exceptionCaught(ChannelInboundHandlerAdapter.java:131)
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:246)
> at
> io.netty.channel.AbstractChannelHandlerContext.fireExceptionCaught(AbstractChannelHandlerContext.java:224)
> at
> io.netty.channel.ChannelInboundHandlerAdapter.exceptionCaught(ChannelInboundHandlerAdapter.java:131)
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:246)
> at
> io.netty.channel.AbstractChannelHandlerContext.notifyHandlerException(AbstractChannelHandlerContext.java:737)
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:310)
> at
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:294)
> at
> io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:846)
> at
> io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:131)
> at
> io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)
> at
> io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
> at
> io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)
> at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)
> at
> io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:112)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: io.netty.handler.codec.DecoderException:
> java.lang.OutOfMemoryError: Direct buffer memory
> at
> io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:234)
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308)
> ... 9 more
> Caused by: java.lang.OutOfMemoryError: Direct buffer memory
> at java.nio.Bits.reserveMemory(Bits.java:658)
> at java.nio.DirectByteBuffer.<init>(DirectByteBuffer.java:123)
> at java.nio.ByteBuffer.allocateDirect(ByteBuffer.java:306)
> at
> io.netty.buffer.UnpooledUnsafeDirectByteBuf.allocateDirect(UnpooledUnsafeDirectByteBuf.java:108)
> at
> io.netty.buffer.UnpooledUnsafeDirectByteBuf.capacity(UnpooledUnsafeDirectByteBuf.java:157)
> at
> io.netty.buffer.AbstractByteBuf.ensureWritable(AbstractByteBuf.java:251)
> at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:849)
> at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:841)
> at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:831)
> at
> io.netty.handler.codec.ByteToMessageDecoder$1.cumulate(ByteToMessageDecoder.java:92)
> at
> io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:228)
> ... 10 more
> {code}
> Since I know, that this feature was properly working recently, I reverted to
> commit {{8ca853e0f6c18be8e6b066c6ec0f23badb797323}} and the problem was gone.
> The problem might have been introduced when adding offheap memory support for
> YARN (commit {{93c95b6a6f150a2c55dc387e4ef1d603b3ef3f22}}).
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