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https://issues.apache.org/jira/browse/PIG-3780?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13913619#comment-13913619
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Rohini Palaniswamy commented on PIG-3780:
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+1
> Tez mini cluster tests run for a very long time with TezSession reuse on
> ------------------------------------------------------------------------
>
> Key: PIG-3780
> URL: https://issues.apache.org/jira/browse/PIG-3780
> Project: Pig
> Issue Type: Sub-task
> Components: tez
> Affects Versions: tez-branch
> Reporter: Cheolsoo Park
> Assignee: Cheolsoo Park
> Fix For: tez-branch
>
> Attachments: PIG-3780-1.patch, PIG-3780-2.patch
>
>
> In the current tez branch, mini cluster unit tests are very slow. The reason
> is as follows:
> * TezSession reuse is by default on.
> * Each test case runs, and it waits for Tez AM to terminate.
> * After Tez AM times out (usually after several minutes), another test case
> runs.
> Two questions that I have are:
> # Why doesn't TezSession reuse work in mini cluster?
> # Why is TezSession reuse not disabled in some tests (e.g. TestAccumulator)
> where we explicitly set "tez.session.reuse" to false?
> As for #2, I realized that "tez.session.reuse" was never set in the
> properties object that is passed to PigServer. I am going to upload a patch
> that fixes this problem in this jira.
> As for #1, I don't have an answer yet. But I think we can fix this in a
> separate jira once we get Tez unit tests working again.
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