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https://issues.apache.org/jira/browse/HBASE-27146?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17558718#comment-17558718
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Hudson commented on HBASE-27146:
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Results for branch branch-2.4
[build #377 on
builds.a.o|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.4/377/]:
(x) *{color:red}-1 overall{color}*
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details (if available):
(x) {color:red}-1 general checks{color}
-- For more information [see general
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.4/377/General_20Nightly_20Build_20Report/]
(x) {color:red}-1 jdk8 hadoop2 checks{color}
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report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.4/377/JDK8_20Nightly_20Build_20Report_20_28Hadoop2_29/]
(x) {color:red}-1 jdk8 hadoop3 checks{color}
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(x) {color:red}-1 jdk11 hadoop3 checks{color}
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(x) {color:red}-1 source release artifact{color}
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-- Something went wrong with this stage, [check relevant console
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> Avoid CellUtil.cloneRow in MetaCellComparator
> ---------------------------------------------
>
> Key: HBASE-27146
> URL: https://issues.apache.org/jira/browse/HBASE-27146
> Project: HBase
> Issue Type: Improvement
> Components: meta, Offheaping, Performance
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Major
> Fix For: 2.5.0, 3.0.0-alpha-4, 2.4.14
>
>
> In HBASE-26981, a flame graph shows that we spend a lot of CPUs in
> CellUtils.cloneXXX.
> Since we need to split the row to different parts when comparing, we can not
> use ByteBuffer compare directly, but as least, we should try to avoid copy
> the content when the Cell is stored in a ByteBuffer.
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