[jira] [Comment Edited] (HIVE-15779) LLAP: WaitQueue comparators should return 0 when tasks of the same DAG are of same priority

["Siddharth Seth (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-15779?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15852459#comment-15852459 ] 

Siddharth Seth edited comment on HIVE-15779 at 2/4/17 1:32 AM:
---------------------------------------------------------------

Fixed in HIVE-11687.


was (Author: sseth):
Fixed in HIVE-11678.

> LLAP: WaitQueue comparators should return 0 when tasks of the same DAG are of same priority
> -------------------------------------------------------------------------------------------
>
>                 Key: HIVE-15779
>                 URL: https://issues.apache.org/jira/browse/HIVE-15779
>             Project: Hive
>          Issue Type: Bug
>          Components: llap
>            Reporter: Rajesh Balamohan
>            Assignee: Rajesh Balamohan
>             Fix For: 2.2.0
>
>         Attachments: HIVE-15779.1.patch, HIVE-15779.2.patch
>
>
> Observed cases, where in tasks within same vertex were competing with each and getting killed
> {noformat}
> [IPC Server handler 3 on 44598 (1484282558103_4855_1_00_003877_7)] impl.TaskExecutorService: attempt_1484282558103_4855_1_00_003179_7 evicted from wait queue in favor of attempt_1484282558103_4855_1_00_003877_7 because of lower priority
> [IPC Server handler 1 on 44598 (1484282558103_4855_1_00_002959_7)] impl.TaskExecutorService: attempt_1484282558103_4855_1_00_003832_7 evicted from wait queue in favor of attempt_1484282558103_4855_1_00_002959_7 because of lower priority
> [IPC Server handler 0 on 44598 (1484282558103_4855_1_00_003723_7)] impl.TaskExecutorService: attempt_1484282558103_4855_1_00_003254_7 evicted from wait queue in favor of attempt_1484282558103_4855_1_00_003723_7 because of lower priority
> [IPC Server handler 4 on 44598 (1484282558103_4855_1_00_003560_7)] impl.TaskExecutorService: attempt_1484282558103_4855_1_00_003076_7 evicted from wait queue in favor of attempt_1484282558103_4855_1_00_003560_7 because of lower priority
> [IPC Server handler 2 on 44598 (1484282558103_4855_1_00_003775_7)] impl.TaskExecutorService: attempt_1484282558103_4855_1_00_004011_7 evicted from wait queue in favor of attempt_1484282558103_4855_1_00_003775_7 because of lower priority
> [IPC Server handler 3 on 44598 (1484282558103_4855_1_00_003842_7)] impl.TaskExecutorService: attempt_1484282558103_4855_1_00_004045_7 evicted from wait queue in favor of attempt_1484282558103_4855_1_00_003842_7 because of lower priority
> [IPC Server handler 1 on 44598 (1484282558103_4855_1_00_003953_7)] impl.TaskExecutorService: attempt_1484282558103_4855_1_00_003915_7 evicted from wait queue in favor of attempt_1484282558103_4855_1_00_003953_7 because of lower priority
> [IPC Server handler 0 on 44598 (1484282558103_4855_1_00_003819_7)] impl.TaskExecutorService: attempt_1484282558103_4855_1_00_003919_7 evicted from wait queue in favor of attempt_1484282558103_4855_1_00_003819_7 because of lower priority
> [IPC Server handler 4 on 44598 (1484282558103_4855_1_00_002074_8)] impl.TaskExecutorService: attempt_1484282558103_4855_1_00_003790_7 evicted from wait queue in favor of attempt_1484282558103_4855_1_00_002074_8 because of lower priority
> [IPC Server handler 2 on 44598 (1484282558103_4855_1_00_003670_7)] impl.TaskExecutorService: attempt_1484282558103_4855_1_00_003736_7 evicted from wait queue in favor of attempt_1484282558103_4855_1_00_003670_7 because of lower priority
> [IPC Server handler 1 on 44598 (1484282558103_4855_1_00_003153_8)] impl.TaskExecutorService: attempt_1484282558103_4855_1_00_003877_7 evicted from wait queue in favor of attempt_1484282558103_4855_1_00_003153_8 because of lower priority
> [IPC Server handler 0 on 44598 (1484282558103_4855_1_00_003328_7)] impl.TaskExecutorService: attempt_1484282558103_4855_1_00_003775_7 evicted from wait queue in favor of attempt_1484282558103_4855_1_00_003328_7 because of lower priority
> [IPC Server handler 4 on 44598 (1484282558103_4855_1_00_003817_7)] impl.TaskExecutorService: attempt_1484282558103_4855_1_00_003842_7 evicted from wait queue in favor of attempt_1484282558103_4855_1_00_003817_7 because of lower priority
> [IPC Server handler 2 on 44598 (1484282558103_4855_1_00_004065_7)] impl.TaskExecutorService: attempt_1484282558103_4855_1_00_003723_7 evicted from wait queue in favor of attempt_1484282558103_4855_1_00_004065_7 because of lower priority
> [IPC Server handler 3 on 44598 (1484282558103_4855_1_00_003902_7)] impl.TaskExecutorService: attempt_1484282558103_4855_1_00_003560_7 evicted from wait queue in favor of attempt_1484282558103_4855_1_00_003902_7 because of lower priority
> {noformat}



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