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https://issues.apache.org/jira/browse/HBASE-26525?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17454938#comment-17454938
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Hudson commented on HBASE-26525:
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Results for branch branch-2.4
[build #254 on
builds.a.o|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-2.4/254/]:
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> Use unique thread name for group WALs
> -------------------------------------
>
> Key: HBASE-26525
> URL: https://issues.apache.org/jira/browse/HBASE-26525
> Project: HBase
> Issue Type: Improvement
> Components: wal
> Affects Versions: 3.0.0-alpha-1, 2.0.0
> Reporter: Xiaolin Ha
> Assignee: Xiaolin Ha
> Priority: Major
> Fix For: 2.5.0, 3.0.0-alpha-2, 2.4.9
>
> Attachments: image-2021-12-01-16-20-18-912.png,
> image-2021-12-01-16-21-18-032.png, image-2021-12-02-17-38-21-959.png
>
>
> The consumer threads for each WAL group has the same name, since they only
> use the WAL root dir in the thread name.
> {code:java}
> new ThreadFactoryBuilder().setNameFormat("AsyncFSWAL-%d-" +
> rootDir.toString()).
> setDaemon(true).build()); {code}
> For example, for BoundedGroupingStrategy, the consumer threads names are as
> follows,
> !image-2021-12-01-16-20-18-912.png|width=1199,height=130!
> We can use the log prefix instead, the consumer threads names will be changed
> to
> !image-2021-12-02-17-38-21-959.png|width=1102,height=197!
> So we can clearly see what happens from the log and the jstack info if
> something wrong with the WAL.
>
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