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Posted to issues@hbase.apache.org by "Zheng Wang (Jira)" <ji...@apache.org> on 2022/04/30 01:09:00 UTC

[jira] [Updated] (HBASE-26987) The length of compact queue grows too big when the compacting is slow

     [ https://issues.apache.org/jira/browse/HBASE-26987?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zheng Wang updated HBASE-26987:
-------------------------------
    Summary: The length of compact queue grows too big when the compacting is slow  (was: The length of compact queue too big when the compacting is slow)

> The length of compact queue grows too big when the compacting is slow
> ---------------------------------------------------------------------
>
>                 Key: HBASE-26987
>                 URL: https://issues.apache.org/jira/browse/HBASE-26987
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Zheng Wang
>            Priority: Major
>         Attachments: image-2022-04-29-10-26-09-351.png, image-2022-04-29-10-26-18-323.png, image-2022-04-29-10-26-24-087.png
>
>
> For some system compaction, we set the selectNow to false, so the file selecting will be done until the compaction running, but it brings a side effect, if another compacting is slow, we may put lots of compaction to queue, because the filesCompacting of Hstore is empty in the meantime.
> An example shows at attachments, there are 154 regions and about 2000 hfiles, but the length of compact queue grows to 1391, it cause confusion and may trigger wrong alarm.



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