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https://issues.apache.org/jira/browse/HIVE-14433?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15410038#comment-15410038
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Prasanth Jayachandran commented on HIVE-14433:
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+1
> refactor LLAP plan cache avoidance and fix issue in merge processor
> -------------------------------------------------------------------
>
> Key: HIVE-14433
> URL: https://issues.apache.org/jira/browse/HIVE-14433
> Project: Hive
> Issue Type: Bug
> Affects Versions: 2.0.1, 2.2.0, 2.1.1
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
> Attachments: HIVE-14433.patch
>
>
> Map and reduce processors do this:
> {noformat}
> if (LlapProxy.isDaemon()) {
> cache = new org.apache.hadoop.hive.ql.exec.mr.ObjectCache(); // do not
> cache plan
> ...
> {noformat}
> but merge processor just gets the plan. If it runs in LLAP, it can get a
> cached plan. Need to move this logic into ObjectCache itself, via a isPlan
> arg or something. That will also fix this issue for merge processor
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