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https://issues.apache.org/jira/browse/HBASE-12075?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14149770#comment-14149770
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Ted Yu commented on HBASE-12075:
--------------------------------

>From console:
{code}
file locks                      (-x) unlimited
/home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/dev-support/test-patch.sh:
 line 685: 32417 Killed                  $MVN clean test -P runAllTests 
-D${PROJECT_NAME}PatchProcess
We're ok: there is no zombie test
{code}
Looks like no tests were run.

> Preemptive Fast Fail
> --------------------
>
>                 Key: HBASE-12075
>                 URL: https://issues.apache.org/jira/browse/HBASE-12075
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Client
>    Affects Versions: 1.0.0
>            Reporter: Manukranth Kolloju
>            Assignee: Manukranth Kolloju
>             Fix For: 1.0.0
>
>         Attachments: 0001-Add-a-test-case-for-Preemptive-Fast-Fail.patch, 
> 0001-Implement-Preemptive-Fast-Fail.patch, 
> 0001-Implement-Preemptive-Fast-Fail.patch
>
>
> In multi threaded clients, we use a feature developed on 0.89-fb branch 
> called Preemptive Fast Fail. This allows the client threads which would 
> potentially fail, fail fast. The idea behind this feature is that we allow, 
> among the hundreds of client threads, one thread to try and establish 
> connection with the regionserver and if that succeeds, we mark it as a live 
> node again. Meanwhile, other threads which are trying to establish connection 
> to the same server would ideally go into the timeouts which is effectively 
> unfruitful. We can in those cases return appropriate exceptions to those 
> clients instead of letting them retry.



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