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https://issues.apache.org/jira/browse/HBASE-11297?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14017936#comment-14017936
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Nicolas Liochon commented on HBASE-11297:
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The real changes are only on the doRespond path.
There are some changes in purge, but the behavior should not change there: the
documentation was saying that were discarding the calls, but the implementation
was closing the connection. It's not really safe to do something different
anyway: imagine a half-replied call, you can't discard it.
for the doRespond, instead of locking when we wanted to add a call to the list,
we lock only if we want to write on the channel. We also to a tryLock to return
immediately, so the handler does not wait.
The test are still running here (I've done multiple versions, the previous
versions were ok, but...). I haven't yet ran the perf tests. It targets the
scenario with multiple clients on the same connection. It's more or less a
first step for having more Responders (depending on the test results). I will
do another deep review, but I wanted to show what I was working on.
> Remove some synchros in the rpcServer responder
> -----------------------------------------------
>
> Key: HBASE-11297
> URL: https://issues.apache.org/jira/browse/HBASE-11297
> Project: HBase
> Issue Type: Bug
> Components: regionserver
> Affects Versions: 0.99.0
> Reporter: Nicolas Liochon
> Assignee: Nicolas Liochon
> Fix For: 0.99.0
>
> Attachments: 11297.v1.patch
>
>
> This is on top of another patch that I'm going to put into another jira.
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