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https://issues.apache.org/jira/browse/HBASE-25642?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17408301#comment-17408301
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Hudson commented on HBASE-25642:
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Results for branch branch-2.3
[build #284 on
builds.a.o|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-2.3/284/]:
(x) *{color:red}-1 overall{color}*
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details (if available):
(/) {color:green}+1 general checks{color}
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report|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-2.3/284/General_20Nightly_20Build_20Report/]
(/) {color:green}+1 jdk8 hadoop2 checks{color}
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report|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-2.3/284/JDK8_20Nightly_20Build_20Report_20_28Hadoop2_29/]
(x) {color:red}-1 jdk8 hadoop3 checks{color}
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(/) {color:green}+1 jdk11 hadoop3 checks{color}
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(/) {color:green}+1 source release artifact{color}
-- See build output for details.
(/) {color:green}+1 client integration test{color}
> 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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