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https://issues.apache.org/jira/browse/HBASE-29276?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17950641#comment-17950641
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Hudson commented on HBASE-29276:
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Results for branch branch-2.6
[build #312 on
builds.a.o|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.6/312/]:
(x) *{color:red}-1 overall{color}*
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details (if available):
(/) {color:green}+1 general checks{color}
-- For more information [see general
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.6/312/General_20Nightly_20Build_20Report/]
(/) {color:green}+1 jdk8 hadoop2 checks{color}
-- For more information [see jdk8 (hadoop2)
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.6/312/JDK8_20Nightly_20Build_20Report_20_28Hadoop2_29/]
(/) {color:green}+1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3)
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.6/312/JDK8_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(x) {color:red}-1 jdk11 hadoop3 checks{color}
-- For more information [see jdk11
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.6/312/JDK11_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(x) {color:red}-1 jdk17 hadoop3 checks{color}
-- For more information [see jdk17
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.6/312/JDK17_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(/) {color:green}+1 jdk17 hadoop 3.3.5 backward compatibility checks{color}
-- For more information [see jdk17
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.6/312/JDK17_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(x) {color:red}-1 jdk17 hadoop 3.3.6 backward compatibility checks{color}
-- For more information [see jdk17
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.6/312/JDK17_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(/) {color:green}+1 jdk17 hadoop 3.4.0 backward compatibility checks{color}
-- For more information [see jdk17
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-2.6/312/JDK17_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(/) {color:green}+1 source release artifact{color}
-- See build output for details.
(/) {color:green}+1 client integration test for HBase 2 {color}
(/) {color:green}+1 client integration test for 3.3.5 {color}
(/) {color:green}+1 client integration test for 3.3.6 {color}
(/) {color:green}+1 client integration test for 3.4.0 {color}
(/) {color:green}+1 client integration test for 3.4.1 {color}
> Compute and display hit ratio by configurable, granular time periods
> --------------------------------------------------------------------
>
> Key: HBASE-29276
> URL: https://issues.apache.org/jira/browse/HBASE-29276
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 3.0.0-beta-1, 4.0.0-alpha-1, 2.7.0, 2.6.2
> Reporter: Wellington Chevreuil
> Assignee: Wellington Chevreuil
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.0.0, 4.0.0-alpha-1, 2.7.0, 2.6.3
>
> Attachments: Screenshot 2025-04-28 at 18.30.37.png
>
>
> Currently, we only compute and display hit ratio stats for the all time
> running period of the given region servers. For long running setups where
> most of the accessed data is cached, small recent periods of low hits would
> go undetected, since the larger number of long term hits would drive the hit
> average up.
> This proposes two additional properties:
> 1) "hbase.blockcache.stats.periods" which allows for defining a multiple
> window period;
> 2) "hbase.blockcache.stats.period.minute" which defines the length of each
> of these periods;
> If "hbase.blockcache.stats.periods" is defined and is greater than one, it
> creates a scheduled executor that rolls the metrics calculation at
> "hbase.blockcache.stats.period.minute" rate.
> BucketCache can then set a default window of 12 periods each 5 minutes long,
> providing metrics over the last hour, in addition to the all time hit ratio.
>
> !Screenshot 2025-04-28 at 18.30.37.png|width=1045,height=336!
>
>
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