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From László Bodor (Jira) <j...@apache.org>
Subject [jira] [Updated] (HIVE-23122) LLAP TaskExecutorService should log details about task eviction decision details
Date Wed, 01 Apr 2020 11:55:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-23122?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

László Bodor updated HIVE-23122:
--------------------------------
    Description: 
TaskExecutorService maintains a waitQueue, and can evict a task in favor of another. Under
the hood, the queue uses a configurable [comparator|https://github.com/apache/hive/tree/master/llap-server/src/java/org/apache/hadoop/hive/llap/daemon/impl/comparator].
The currently available comparators typically use the following properties of a task:
getWithinDagPriority: related to vertex


> LLAP TaskExecutorService should log details about task eviction decision details
> --------------------------------------------------------------------------------
>
>                 Key: HIVE-23122
>                 URL: https://issues.apache.org/jira/browse/HIVE-23122
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: László Bodor
>            Assignee: László Bodor
>            Priority: Major
>         Attachments: HIVE-23122.01.patch
>
>
> TaskExecutorService maintains a waitQueue, and can evict a task in favor of another.
Under the hood, the queue uses a configurable [comparator|https://github.com/apache/hive/tree/master/llap-server/src/java/org/apache/hadoop/hive/llap/daemon/impl/comparator].
The currently available comparators typically use the following properties of a task:
> getWithinDagPriority: related to vertex



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