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Posted to issues@hbase.apache.org by "Andrew Kyle Purtell (Jira)" <ji...@apache.org> on 2021/08/27 17:22:00 UTC
[jira] [Updated] (HBASE-25642) Fix or stop warning about already
cached block
[ https://issues.apache.org/jira/browse/HBASE-25642?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrew Kyle Purtell updated HBASE-25642:
----------------------------------------
Fix Version/s: 2.3.7
Status: Patch Available (was: Open)
> Fix or stop warning about already cached block
> ----------------------------------------------
>
> Key: HBASE-25642
> URL: https://issues.apache.org/jira/browse/HBASE-25642
> Project: HBase
> Issue Type: Improvement
> Components: BlockCache, Operability, regionserver
> Affects Versions: 2.3.0
> Reporter: Nick Dimiduk
> Assignee: Andrew Kyle Purtell
> Priority: Major
> Fix For: 2.5.0, 3.0.0-alpha-2, 2.4.6, 2.3.7
>
>
> Our logs have as a fairly common occurrence:
> {noformat}
> 2021-03-05 22:24:31,034 WARN [StoreFileOpener-foo-1] hfile.BlockCacheUtil: Caching an already cached block: blah.bub. This is harmless and can happen in rare cases (see HBASE-8547)
> {noformat}
> If this is really harmless, why do we log? If it's not actually harmless, let's take another pass at fixing this situation.
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