Rejected execution exception for multiple parallel requests

Hi,

I am querying elasticsearch for multiple parallel requests using single transport client instance in my application.

I got the below exception for the parallel execution. Hot to overcome the issue.

org.elasticsearch.common.util.concurrent.EsRejectedExecutionException: rejected execution (queue capacity 1000) on org.elasticsearch.search.action.SearchServiceTransportAction$23@5f804c60
at org.elasticsearch.common.util.concurrent.EsAbortPolicy.rejectedExecution(EsAbortPolicy.java:62)
at java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:821)
at java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1372)
at org.elasticsearch.search.action.SearchServiceTransportAction.execute(SearchServiceTransportAction.java:509)
at org.elasticsearch.search.action.SearchServiceTransportAction.sendExecuteScan(SearchServiceTransportAction.java:441)
at org.elasticsearch.action.search.type.TransportSearchScanAction$AsyncAction.sendExecuteFirstPhase(TransportSearchScanAction.java:68)
at org.elasticsearch.action.search.type.TransportSearchTypeAction$BaseAsyncAction.performFirstPhase(TransportSearchTypeAction.java:171)
at org.elasticsearch.action.search.type.TransportSearchTypeAction$BaseAsyncAction.start(TransportSearchTypeAction.java:153)
at org.elasticsearch.action.search.type.TransportSearchScanAction.doExecute(TransportSearchScanAction.java:52)
at org.elasticsearch.action.search.type.TransportSearchScanAction.doExecute(TransportSearchScanAction.java:42)
at org.elasticsearch.action.support.TransportAction.execute(TransportAction.java:63)
at org.elasticsearch.action.search.TransportSearchAction.doExecute(TransportSearchAction.java:107)
at org.elasticsearch.action.search.TransportSearchAction.doExecute(TransportSearchAction.java:43)
at org.elasticsearch.action.support.TransportAction.execute(TransportAction.java:63)
at org.elasticsearch.action.search.TransportSearchAction$TransportHandler.messageReceived(TransportSearchAction.java:124)
at org.elasticsearch.action.search.TransportSearchAction$TransportHandler.messageReceived(TransportSearchAction.java:113)
at org.elasticsearch.transport.netty.MessageChannelHandler.handleRequest(MessageChannelHandler.java:212)
at org.elasticsearch.transport.netty.MessageChannelHandler.messageReceived(MessageChannelHandler.java:109)
at org.elasticsearch.common.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
at org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at org.elasticsearch.common.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
at org.elasticsearch.common.netty.channel.Channels.fireMessageReceived(Channels.java:296)
at org.elasticsearch.common.netty.handler.codec.frame.FrameDecoder.unfoldAndFireMessageReceived(FrameDecoder.java:462)
at org.elasticsearch.common.netty.handler.codec.frame.FrameDecoder.callDecode(FrameDecoder.java:443)
at org.elasticsearch.common.netty.handler.codec.frame.FrameDecoder.messageReceived(FrameDecoder.java:303)
at org.elasticsearch.common.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
at org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at org.elasticsearch.common.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
at org.elasticsearch.common.netty.OpenChannelsHandler.handleUpstream(OpenChannelsHandler.java:74)
at org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:559)
at org.elasticsearch.common.netty.channel.Channels.fireMessageReceived(Channels.java:268)
at org.elasticsearch.common.netty.channel.Channels.fireMessageReceived(Channels.java:255)
at org.elasticsearch.common.netty.channel.socket.nio.NioWorker.read(NioWorker.java:88)
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$1.run(DeadLockProofWorker.java:42)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)

Hello,

I assume you query lots of shards/indices? If not, then it might just be
that ES is overloaded with that many requests and you have to add nodes.

If yes, you'll can increase the queue size of the search thread pool.
Something like:

curl -XPUT localhost:9200/_cluster/settings -d '{
"persistent" : {
"threadpool.search.size" : 5000
}
}'

Note that ES will use more memory to keep the search requests until they
get executed.

Best regards,
Radu

Performance Monitoring * Log Analytics * Search Analytics
Solr & Elasticsearch Support * http://sematext.com/

On Tue, Jan 6, 2015 at 8:44 AM, vipins sumitharjunan@gmail.com wrote:

Hi,

I am querying elasticsearch for multiple parallel requests using single
transport client instance in my application.

I got the below exception for the parallel execution. Hot to overcome the
issue.

org.elasticsearch.common.util.concurrent.EsRejectedExecutionException:
rejected execution (queue capacity 1000) on
org.elasticsearch.search.action.SearchServiceTransportAction$23@5f804c60
at

org.elasticsearch.common.util.concurrent.EsAbortPolicy.rejectedExecution(EsAbortPolicy.java:62)
at
java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:821)
at

java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1372)
at

org.elasticsearch.search.action.SearchServiceTransportAction.execute(SearchServiceTransportAction.java:509)
at

org.elasticsearch.search.action.SearchServiceTransportAction.sendExecuteScan(SearchServiceTransportAction.java:441)
at

org.elasticsearch.action.search.type.TransportSearchScanAction$AsyncAction.sendExecuteFirstPhase(TransportSearchScanAction.java:68)
at

org.elasticsearch.action.search.type.TransportSearchTypeAction$BaseAsyncAction.performFirstPhase(TransportSearchTypeAction.java:171)
at

org.elasticsearch.action.search.type.TransportSearchTypeAction$BaseAsyncAction.start(TransportSearchTypeAction.java:153)
at

org.elasticsearch.action.search.type.TransportSearchScanAction.doExecute(TransportSearchScanAction.java:52)
at

org.elasticsearch.action.search.type.TransportSearchScanAction.doExecute(TransportSearchScanAction.java:42)
at

org.elasticsearch.action.support.TransportAction.execute(TransportAction.java:63)
at

org.elasticsearch.action.search.TransportSearchAction.doExecute(TransportSearchAction.java:107)
at

org.elasticsearch.action.search.TransportSearchAction.doExecute(TransportSearchAction.java:43)
at

org.elasticsearch.action.support.TransportAction.execute(TransportAction.java:63)
at

org.elasticsearch.action.search.TransportSearchAction$TransportHandler.messageReceived(TransportSearchAction.java:124)
at

org.elasticsearch.action.search.TransportSearchAction$TransportHandler.messageReceived(TransportSearchAction.java:113)
at

org.elasticsearch.transport.netty.MessageChannelHandler.handleRequest(MessageChannelHandler.java:212)
at

org.elasticsearch.transport.netty.MessageChannelHandler.messageReceived(MessageChannelHandler.java:109)
at

org.elasticsearch.common.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
at

org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at

org.elasticsearch.common.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
at

org.elasticsearch.common.netty.channel.Channels.fireMessageReceived(Channels.java:296)
at

org.elasticsearch.common.netty.handler.codec.frame.FrameDecoder.unfoldAndFireMessageReceived(FrameDecoder.java:462)
at

org.elasticsearch.common.netty.handler.codec.frame.FrameDecoder.callDecode(FrameDecoder.java:443)
at

org.elasticsearch.common.netty.handler.codec.frame.FrameDecoder.messageReceived(FrameDecoder.java:303)
at

org.elasticsearch.common.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
at

org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at

org.elasticsearch.common.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
at

org.elasticsearch.common.netty.OpenChannelsHandler.handleUpstream(OpenChannelsHandler.java:74)
at

org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at

org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:559)
at

org.elasticsearch.common.netty.channel.Channels.fireMessageReceived(Channels.java:268)
at

org.elasticsearch.common.netty.channel.Channels.fireMessageReceived(Channels.java:255)
at

org.elasticsearch.common.netty.channel.socket.nio.NioWorker.read(NioWorker.java:88)
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.runWorker(ThreadPoolExecutor.java:1145)
at

java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)

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Hi ,

I have answered this question in stackoverflow at -

Thanks
Vineeth Mohan,
Elasticsearch consultant,
qbox.io ( Elasticsearch service provider http://qbox.io/)

On Wed, Jan 7, 2015 at 6:02 PM, Radu Gheorghe radu.gheorghe@sematext.com
wrote:

Hello,

I assume you query lots of shards/indices? If not, then it might just be
that ES is overloaded with that many requests and you have to add nodes.

If yes, you'll can increase the queue size of the search thread pool.
Something like:

curl -XPUT localhost:9200/_cluster/settings -d '{
"persistent" : {
"threadpool.search.size" : 5000
}
}'

Note that ES will use more memory to keep the search requests until they
get executed.

Best regards,
Radu

Performance Monitoring * Log Analytics * Search Analytics
Solr & Elasticsearch Support * http://sematext.com/

On Tue, Jan 6, 2015 at 8:44 AM, vipins sumitharjunan@gmail.com wrote:

Hi,

I am querying elasticsearch for multiple parallel requests using single
transport client instance in my application.

I got the below exception for the parallel execution. Hot to overcome the
issue.

org.elasticsearch.common.util.concurrent.EsRejectedExecutionException:
rejected execution (queue capacity 1000) on
org.elasticsearch.search.action.SearchServiceTransportAction$23@5f804c60
at

org.elasticsearch.common.util.concurrent.EsAbortPolicy.rejectedExecution(EsAbortPolicy.java:62)
at

java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:821)
at

java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1372)
at

org.elasticsearch.search.action.SearchServiceTransportAction.execute(SearchServiceTransportAction.java:509)
at

org.elasticsearch.search.action.SearchServiceTransportAction.sendExecuteScan(SearchServiceTransportAction.java:441)
at

org.elasticsearch.action.search.type.TransportSearchScanAction$AsyncAction.sendExecuteFirstPhase(TransportSearchScanAction.java:68)
at

org.elasticsearch.action.search.type.TransportSearchTypeAction$BaseAsyncAction.performFirstPhase(TransportSearchTypeAction.java:171)
at

org.elasticsearch.action.search.type.TransportSearchTypeAction$BaseAsyncAction.start(TransportSearchTypeAction.java:153)
at

org.elasticsearch.action.search.type.TransportSearchScanAction.doExecute(TransportSearchScanAction.java:52)
at

org.elasticsearch.action.search.type.TransportSearchScanAction.doExecute(TransportSearchScanAction.java:42)
at

org.elasticsearch.action.support.TransportAction.execute(TransportAction.java:63)
at

org.elasticsearch.action.search.TransportSearchAction.doExecute(TransportSearchAction.java:107)
at

org.elasticsearch.action.search.TransportSearchAction.doExecute(TransportSearchAction.java:43)
at

org.elasticsearch.action.support.TransportAction.execute(TransportAction.java:63)
at

org.elasticsearch.action.search.TransportSearchAction$TransportHandler.messageReceived(TransportSearchAction.java:124)
at

org.elasticsearch.action.search.TransportSearchAction$TransportHandler.messageReceived(TransportSearchAction.java:113)
at

org.elasticsearch.transport.netty.MessageChannelHandler.handleRequest(MessageChannelHandler.java:212)
at

org.elasticsearch.transport.netty.MessageChannelHandler.messageReceived(MessageChannelHandler.java:109)
at

org.elasticsearch.common.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
at

org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at

org.elasticsearch.common.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
at

org.elasticsearch.common.netty.channel.Channels.fireMessageReceived(Channels.java:296)
at

org.elasticsearch.common.netty.handler.codec.frame.FrameDecoder.unfoldAndFireMessageReceived(FrameDecoder.java:462)
at

org.elasticsearch.common.netty.handler.codec.frame.FrameDecoder.callDecode(FrameDecoder.java:443)
at

org.elasticsearch.common.netty.handler.codec.frame.FrameDecoder.messageReceived(FrameDecoder.java:303)
at

org.elasticsearch.common.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
at

org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at

org.elasticsearch.common.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
at

org.elasticsearch.common.netty.OpenChannelsHandler.handleUpstream(OpenChannelsHandler.java:74)
at

org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
at

org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:559)
at

org.elasticsearch.common.netty.channel.Channels.fireMessageReceived(Channels.java:268)
at

org.elasticsearch.common.netty.channel.Channels.fireMessageReceived(Channels.java:255)
at

org.elasticsearch.common.netty.channel.socket.nio.NioWorker.read(NioWorker.java:88)
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.runWorker(ThreadPoolExecutor.java:1145)
at

java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)

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