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https://issues.apache.org/jira/browse/HBASE-11747?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16655754#comment-16655754
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stack commented on HBASE-11747:
-------------------------------

I've been running into this. Complaint is:

{code}
2018-10-18 11:12:49,592 WARN org.apache.hadoop.hbase.ipc.RpcServer: 
(responseTooLarge): 
{"call":"GetClusterStatus(org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos$GetClusterStatusRequest)","starttimems":1539886367849,"responsesize":113099903,"method":"GetClusterStatus","param":"TODO:
 class 
org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos$GetClusterStatusRequest","processingtimems":1553,"client":"10.17.208.28:54766","queuetimems":0,"class":"HMaster"}
{code}

The above WARN triggers at 100MB. Heartbeating 100MB is crazy.

> ClusterStatus (heartbeat) is too bulky 
> ---------------------------------------
>
>                 Key: HBASE-11747
>                 URL: https://issues.apache.org/jira/browse/HBASE-11747
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Virag Kothari
>            Priority: Major
>         Attachments: exceptiontrace
>
>
> Following exception on 0.98 with 1M regions on cluster with 160 region servers
> {code}
> Caused by: java.io.IOException: Call to regionserverhost:port failed on local 
> exception: com.google.protobuf.InvalidProtocolBufferException: Protocol 
> message was too large.  May be malicious.  Use 
> CodedInputStream.setSizeLimit() to increase the size limit.
>       at 
> org.apache.hadoop.hbase.ipc.RpcClient.wrapException(RpcClient.java:1482)
>       at org.apache.hadoop.hbase.ipc.RpcClient.call(RpcClient.java:1454)
>       at 
> org.apache.hadoop.hbase.ipc.RpcClient.callBlockingMethod(RpcClient.java:1654)
>       at 
> org.apache.hadoop.hbase.ipc.RpcClient$BlockingRpcChannelImplementation.callBlockingMethod(RpcClient.java:1712)
>       at 
> org.apache.hadoop.hbase.protobuf.generated.MasterProtos$MasterService$BlockingStub.getClusterStatus(MasterProtos.java:42555)
>       at 
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$5.getClusterStatus(HConnectionManager.java:2132)
>       at 
> org.apache.hadoop.hbase.client.HBaseAdmin$16.call(HBaseAdmin.java:2166)
>       at 
> org.apache.hadoop.hbase.client.HBaseAdmin$16.call(HBaseAdmin.java:2162)
>       at 
> org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithRetries(RpcRetryingCaller.java:114)
>       ... 43 more
> Caused by: com.google.protobuf.InvalidProtocolBufferException: Protocol 
> message was too large.  May be malicious.  Use 
> CodedInputStream.setSizeLimit() to increase the size limit.
>       at 
> com.google.protobuf.InvalidProtocolBufferException.sizeLimitExceeded(InvalidProtocolBufferException.java:110)
> {code}



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