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https://issues.apache.org/jira/browse/HIVE-14608?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15459644#comment-15459644
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Sergey Shelukhin edited comment on HIVE-14608 at 9/2/16 9:32 PM:
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[~prasanth_j] can you take a look? The problem is that the scheduling with
requested hosts uses activeSet, but the random scheduling (or fallback, when
not having location information) doesn't.
was (Author: sershe):
[~prasanth_j] can you take a look? The problem is that the scheduling with
requested hosts uses activeSet, but the random scheduling doesn't.
> LLAP: slow scheduling due to LlapTaskScheduler not removing nodes on kill
> --------------------------------------------------------------------------
>
> Key: HIVE-14608
> URL: https://issues.apache.org/jira/browse/HIVE-14608
> Project: Hive
> Issue Type: Bug
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
> Priority: Critical
> Attachments: HIVE-14608.patch
>
>
> See comments; this can result in a slowdown esp. if some critical task gets
> unlucky.
> {noformat}
> public void workerNodeRemoved(ServiceInstance serviceInstance) {
> // FIXME: disabling this for now
> // instanceToNodeMap.remove(serviceInstance.getWorkerIdentity());
> {noformat}
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