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https://issues.apache.org/jira/browse/HBASE-14535?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14951970#comment-14951970
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Andrew Purtell commented on HBASE-14535:
----------------------------------------

If I parachuted in and found this test only failing in some cases but not in 
others, while trying to clean up a slew of flakes, I'd likely disable this or 
move it out to an IT. True, every failure should be looked at, but we let 
flakiness build up in our suite and leave it to angels to come in later and 
triage. When triaging, deep analysis is deferred, by definition.

On the other hand, integration tests are expected to have some level of 
nondeterminism as they are designed to run against a full cluster with a lot of 
moving parts. 


> Unit test for rpc connection concurrency / deadlock testing 
> ------------------------------------------------------------
>
>                 Key: HBASE-14535
>                 URL: https://issues.apache.org/jira/browse/HBASE-14535
>             Project: HBase
>          Issue Type: Sub-task
>          Components: rpc
>            Reporter: Enis Soztutar
>            Assignee: Enis Soztutar
>             Fix For: 2.0.0, 1.2.0, 1.3.0, 1.0.3, 1.1.3, 0.98.16
>
>         Attachments: hbase-14535_v1.patch, hbase-14535_v2.patch
>
>
> As per parent jira and recent jiras  HBASE-14449 + HBASE-14241 and 
> HBASE-14313, we seem to be lacking some testing rpc connection concurrency 
> issues in a UT env. 
>  



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