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https://issues.apache.org/jira/browse/PHOENIX-1435?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14206643#comment-14206643
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Jan Fernando commented on PHOENIX-1435:
---------------------------------------
[[email protected]] In parallel to the work you are doing I'm going to
spend some time today trying to hone in the specific conditions that can cause
this. I will run some experiments locally and within the context of an
appserver cluster.
> Create unit test that uses 15K guideposts
> -----------------------------------------
>
> Key: PHOENIX-1435
> URL: https://issues.apache.org/jira/browse/PHOENIX-1435
> Project: Phoenix
> Issue Type: Bug
> Reporter: James Taylor
> Assignee: Samarth Jain
>
> We're seeing memory issues when 14K guideposts are used to execute a query.
> Although other issues are contributing to the high number of guideposts
> (PHOENIX-1434), and we don't need to execute some LIMIT queries in parallel
> (PHOENIX-1432), we should still get to the bottom of why this is causing
> memory and/or CPU issues.
> One question with this kind of scenario - why didn't the query get rejected,
> as it seems like it would fill up the queue past the allowed 5000 threads?
> Also, do the temp files get cleaned up in this scenario?
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