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https://issues.apache.org/jira/browse/HBASE-21179?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16612446#comment-16612446
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Andrew Purtell commented on HBASE-21179:
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+1 for branch-1 and all derived release branches from me
> Fix the number of actions in responseTooSlow log
> ------------------------------------------------
>
> Key: HBASE-21179
> URL: https://issues.apache.org/jira/browse/HBASE-21179
> Project: HBase
> Issue Type: Bug
> Components: rpc
> Reporter: Guangxu Cheng
> Assignee: Guangxu Cheng
> Priority: Major
> Attachments: HBASE-21179.branch-1.001.patch,
> HBASE-21179.master.001.patch, HBASE-21179.master.002.patch
>
>
> {panel:title=responseTooSlow|borderStyle=dashed|borderColor=#ccc|titleBGColor=#F7D6C1|bgColor=#FFFFCE}
> 2018-09-10 16:13:53,022 WARN
> [B.DefaultRpcServer.handler=209,queue=29,port=60020] ipc.RpcServer:
> (responseTooSlow):
> {"processingtimems":321262,"call":"Multi(org.apache.hadoop.hbase.protobuf.generated.ClientProtos$MultiRequest)","client":"127.0.0.1:56149","param":"region=
>
> tsdb,\\x00\\x00.[\\x89\\x1F\\xB0\\x00\\x00\\x01\\x00\\x01Y\\x00\\x00\\x02\\x00\\x00\\x04,1536133210446.7c752de470bd5558a001117b123a5db5.,
> {color:red}for 1 actions and 1st row{color}
> key=\\x00\\x00.[\\x96\\x16p","starttimems":1536566911759,"queuetimems":0,"class":"HRegionServer","responsesize":2,"method":"Multi"}
> {panel}
> The responseTooSlow log is printed when the processing time of a request
> exceeds the specified threshold. The number of actions and the contents of
> the first rowkey in the request will be included in the log.
> However, the number of actions is inaccurate, and it is actually the number
> of regions that the request needs to visit.
> Just like the logs above, users may be mistaken for using 321262ms to process
> an action, which is incredible, so we need to fix it.
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