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https://issues.apache.org/jira/browse/HBASE-8754?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13743142#comment-13743142
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stack commented on HBASE-8754:
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Thanks for the hint [~qwertymaniac] There is a RequestContext thread local
that has the info. See what you think of the 1-line patch. I can commit if it
looks good to you. It seems to do the trick. Here is what shows in logs if I
do enable true true, false:
1122 2013-08-17 21:50:15,638 INFO [RpcServer.handler=4,port=57158]
master.HMaster: BalanceSwitch=true set by stack
1123 2013-08-17 21:50:16,695 INFO [RpcServer.handler=7,port=57158]
master.HMaster: BalanceSwitch=true set by stack
1124 2013-08-17 21:50:19,175 INFO [RpcServer.handler=10,port=57158]
master.HMaster: BalanceSwitch=false set by stack
> Log the client IP/port of the balancer invoker
> ----------------------------------------------
>
> Key: HBASE-8754
> URL: https://issues.apache.org/jira/browse/HBASE-8754
> Project: HBase
> Issue Type: Improvement
> Components: master, Usability
> Affects Versions: 0.90.0
> Reporter: Harsh J
> Fix For: 0.96.0
>
> Attachments: 8754.txt
>
>
> There's no way for any ops to answer today: "Who turned off/on the
> balancer?". All the logs print is the state when the RPC call is invoked,
> nothing else.
> Given this is a critical piece of admin functionality, we should log the IP
> for it at least.
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