Are you sending an enormous bulk indexing request? If so, try to send
fewer docs at a time, eg 1,000
On 17 March 2014 10:39, Daniel Guo <daniel5...@gmail.com> wrote:
> I use elasticsearch as an index server. And I deploy a web project to
> create index and search result from my es server.
>
> I got the following error from the logs of the web project:
>
> [elasticsearch[Vengeance][transport_client_worker][T#12]{New I/O worker
> #6249}] WARN
> org.elasticsearch.netty.channel.socket.nio.AbstractNioSelector -
> Unexpected exception in the selector loop.
> java.lang.OutOfMemoryError: Direct buffer memory
> at java.nio.Bits.reserveMemory(Bits.java:632)
> at java.nio.DirectByteBuffer.<init>(DirectByteBuffer.java:97)
> at java.nio.ByteBuffer.allocateDirect(ByteBuffer.java:288)
> at
> org.elasticsearch.common.netty.channel.socket.nio.SocketReceiveBufferAllocator.newBuffer(SocketReceiveBufferAllocator.java:64)
> at
> org.elasticsearch.common.netty.channel.socket.nio.SocketReceiveBufferAllocator.get(SocketReceiveBufferAllocator.java:41)
> at
> org.elasticsearch.common.netty.channel.socket.nio.NioWorker.read(NioWorker.java:62)
> at
> org.elasticsearch.common.netty.channel.socket.nio.AbstractNioWorker.process(AbstractNioWorker.java:108)
> at
> org.elasticsearch.common.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:318)
> at
> org.elasticsearch.common.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:89)
> at
> org.elasticsearch.common.netty.channel.socket.nio.NioWorker.run(NioWorker.java:178)
> at
> org.elasticsearch.common.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:108)
> at
> org.elasticsearch.common.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
>
>
> ES_HEAP_SIZE=2048, and the server running elasticsearch has free memory of
> 8GB.
>
> Any ideas of the root causing the error? thanks verymuch!
>
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