Elasticsearch log output when threadpool.index.queue_size is reached

elasticsearch.log

[2013-04-28 19:52:08,944][WARN ][action.index             ] [hostname] Failed to perform index on replica [logstash-2013.04.28][5]
org.elasticsearch.transport.RemoteTransportException: [otherhost][inet[/10.0.0.1:9300]][index/replica]
Caused by: org.elasticsearch.common.util.concurrent.EsRejectedExecutionException: rejected execution of [org.elasticsearch.transport.netty.MessageChannelHandler$RequestHandler]
        at org.elasticsearch.common.util.concurrent.EsAbortPolicy.rejectedExecution(EsAbortPolicy.java:35)
        at java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:821)
        at java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1372)
        at org.elasticsearch.transport.netty.MessageChannelHandler.handleRequest(MessageChannelHandler.java:212)
        at org.elasticsearch.transport.netty.MessageChannelHandler.messageReceived(MessageChannelHandler.java:111)
        at org.elasticsearch.common.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
        at org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:560)
        at org.elasticsearch.common.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:787)
        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:560)
        at org.elasticsearch.common.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:787)
        at org.elasticsearch.common.netty.OpenChannelsHandler.handleUpstream(OpenChannelsHandler.java:74)
        at org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:560)
        at org.elasticsearch.common.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:555)
        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:107)
        at org.elasticsearch.common.netty.channel.socket.nio.AbstractNioSelector.run(AbstractNioSelector.java:313)
        at org.elasticsearch.common.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:88)
        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:722)