Ankit Singhal created HBASE-20827:
-------------------------------------

             Summary: Add pause when retrying after CallQueueTooBigException 
for reportRegionStateTransition 
                 Key: HBASE-20827
                 URL: https://issues.apache.org/jira/browse/HBASE-20827
             Project: HBase
          Issue Type: Bug
          Components: Region Assignment
            Reporter: Ankit Singhal
            Assignee: Ankit Singhal


We should be adding a pause during retry of CallQueueTooBigException to avoid 
flooding master.
{code}
org.apache.hadoop.hbase.CallQueueTooBigException: Call queue is full on 
ctr-e138-1518143905142-387782-01-000003.hwx.site,20000,1530317245246, too many 
items queued ?
        at sun.reflect.GeneratedConstructorAccessor108.newInstance(Unknown 
Source)
        at 
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
        at 
org.apache.hadoop.hbase.ipc.RemoteWithExtrasException.instantiateException(RemoteWithExtrasException.java:100)
        at 
org.apache.hadoop.hbase.ipc.RemoteWithExtrasException.unwrapRemoteException(RemoteWithExtrasException.java:90)
        at 
org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil.makeIOExceptionOfException(ProtobufUtil.java:359)
        at 
org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil.getRemoteException(ProtobufUtil.java:336)
        at 
org.apache.hadoop.hbase.regionserver.HRegionServer.reportRegionStateTransition(HRegionServer.java:2259)
        at 
org.apache.hadoop.hbase.regionserver.handler.CloseRegionHandler.process(CloseRegionHandler.java:120)
        at 
org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:104)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
Caused by: 
org.apache.hadoop.hbase.ipc.RemoteWithExtrasException(org.apache.hadoop.hbase.CallQueueTooBigException):
 Call queue is full on 
ctr-e138-1518143905142-387782-01-000003.hwx.site,20000,1530317245246, too many 
items queued ?
        at 
org.apache.hadoop.hbase.ipc.AbstractRpcClient.onCallFinished(AbstractRpcClient.java:387)
        at 
org.apache.hadoop.hbase.ipc.AbstractRpcClient.access$100(AbstractRpcClient.java:95)
        at 
org.apache.hadoop.hbase.ipc.AbstractRpcClient$3.run(AbstractRpcClient.java:410)
        at 
org.apache.hadoop.hbase.ipc.AbstractRpcClient$3.run(AbstractRpcClient.java:406)
        at org.apache.hadoop.hbase.ipc.Call.callComplete(Call.java:103)
        at org.apache.hadoop.hbase.ipc.Call.setException(Call.java:118)
        at 
org.apache.hadoop.hbase.ipc.NettyRpcDuplexHandler.readResponse(NettyRpcDuplexHandler.java:161)
        at 
org.apache.hadoop.hbase.ipc.NettyRpcDuplexHandler.channelRead(NettyRpcDuplexHandler.java:191)
        at 
org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
        at 
org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
        at 
org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340)
        at 
org.apache.hbase.thirdparty.io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:310)
        at 
org.apache.hbase.thirdparty.io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:284)
        at 
org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
        at 
org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
{code}



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