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https://issues.apache.org/jira/browse/IMPALA-11296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17540549#comment-17540549
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zhi tang commented on IMPALA-11296:
-----------------------------------
The problem may be caused by this: when
OrcComplexColumnReader.children_.empty() is true,
OrcComplexColumnReader.row_idx_ will remain constant, causing an infinite loop
at
https://github.com/apache/impala/blob/9f1c31c597b73662b76eb09a102bdeead58a96ed/be/src/exec/hdfs-orc-scanner.cc#L722
> The executor has some resident threads that occupy CPU abnormally.
> ------------------------------------------------------------------
>
> Key: IMPALA-11296
> URL: https://issues.apache.org/jira/browse/IMPALA-11296
> Project: IMPALA
> Issue Type: Bug
> Affects Versions: Impala 3.4.0
> Reporter: zhi tang
> Priority: Major
> Attachments: image-2022-05-17-16-40-52-110.png, top_info.png
>
>
> The executor has some resident threads that occupy CPU abnormally. The
> following is the call stack information of a thread:
> !image-2022-05-17-16-40-52-110.png!
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