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