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https://issues.apache.org/jira/browse/HBASE-29731?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18041414#comment-18041414
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Hudson commented on HBASE-29731:
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Results for branch branch-3
[build #494 on
builds.a.o|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-3/494/]:
(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-3/494/General_20Nightly_20Build_20Report/]
(/) {color:green}+1 jdk17 hadoop3 checks{color}
-- For more information [see jdk17
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-3/494/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-3/494/JDK17_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(/) {color:green}+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-3/494/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-3/494/JDK17_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(x) {color:red}-1 jdk17 hadoop 3.4.1 backward compatibility checks{color}
-- For more information [see jdk17
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/branch-3/494/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 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}
(/) {color:green}+1 client integration test for 3.4.2 {color}
> Add L1 and L2 cache hit/miss caching metrics
> --------------------------------------------
>
> Key: HBASE-29731
> URL: https://issues.apache.org/jira/browse/HBASE-29731
> Project: HBase
> Issue Type: Improvement
> Components: BlockCache
> Affects Versions: 3.0.0-beta-1, 2.7.0, 2.6.4
> Reporter: Jaehui Lee
> Assignee: Jaehui Lee
> Priority: Trivial
> Labels: pull-request-available
> Fix For: 3.0.0
>
>
> h2. Description
> Currently, HBase provides hit/miss caching metrics only at the overall
> BlockCache level. While the general hit ratio includes all read operations,
> we prefer using the hit caching ratio because it excludes non-cached reads
> (such as those from compactions) that would otherwise skew the overall hit
> ratio downward.
> When using only L1 cache, the existing BlockCache-level metrics are
> sufficient. However, when both L1 and L2 caches are enabled,
> CompoundBlockCache reports aggregated metrics (L1 + L2 combined), making it
> impossible to monitor the hit/miss caching ratio for each cache tier
> individually.
> h2. Proposed Solution
> Add separate hit/miss caching metrics for L1 and L2 caches to enable
> independent monitoring of each cache tier's performance.
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