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https://issues.apache.org/jira/browse/HIVE-24472?focusedWorklogId=571988&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-571988
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ASF GitHub Bot logged work on HIVE-24472:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 25/Mar/21 16:35
Start Date: 25/Mar/21 16:35
Worklog Time Spent: 10m
Work Description: pgaref opened a new pull request #2123:
URL: https://github.com/apache/hive/pull/2123
### What changes were proposed in this pull request?
Moving the (compute intensive) selection of preemption candidates on a
separate thread.
### Why are the changes needed?
Make sure scheduling task cycles are as fast as possible and remove any
non-essential work from that loop.
### Does this PR introduce _any_ user-facing change?
No
### How was this patch tested?
TestLlapTaskSchedulerService
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Issue Time Tracking
-------------------
Worklog Id: (was: 571988)
Remaining Estimate: 0h
Time Spent: 10m
> Optimize LlapTaskSchedulerService::preemptTasksFromMap
> ------------------------------------------------------
>
> Key: HIVE-24472
> URL: https://issues.apache.org/jira/browse/HIVE-24472
> Project: Hive
> Issue Type: Sub-task
> Reporter: Rajesh Balamohan
> Assignee: Panagiotis Garefalakis
> Priority: Major
> Attachments: Screenshot 2020-12-03 at 12.13.03 PM.png
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> !Screenshot 2020-12-03 at 12.13.03 PM.png|width=1063,height=571!
> speculativeTasks could possibly include node information to reduce CPU burn
> in LlapTaskSchedulerService::preemptTasksFromMap
>
>
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