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https://issues.apache.org/jira/browse/HBASE-20233?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16438522#comment-16438522
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Hudson commented on HBASE-20233:
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Results for branch branch-2
[build #614 on
builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/614/]:
(x) *{color:red}-1 overall{color}*
----
details (if available):
(/) {color:green}+1 general checks{color}
-- For more information [see general
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/614//General_Nightly_Build_Report/]
(x) {color:red}-1 jdk8 hadoop2 checks{color}
-- For more information [see jdk8 (hadoop2)
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/614//JDK8_Nightly_Build_Report_(Hadoop2)/]
(/) {color:green}+1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3)
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/614//JDK8_Nightly_Build_Report_(Hadoop3)/]
(/) {color:green}+1 source release artifact{color}
-- See build output for details.
> [metrics] Ill-formatted numRegions metric in
> "Hadoop:service=HBase,name=RegionServer,sub=Regions" mbean
> -------------------------------------------------------------------------------------------------------
>
> Key: HBASE-20233
> URL: https://issues.apache.org/jira/browse/HBASE-20233
> Project: HBase
> Issue Type: Bug
> Components: metrics, Operability
> Reporter: stack
> Assignee: Xu Cang
> Priority: Trivial
> Labels: beginner
> Fix For: 2.0.0
>
> Attachments: HBASE-20233-v1.patch, HBASE-20233.patch
>
>
> Noticed this poking at metrics. The MBean
> "Hadoop:service=HBase,name=RegionServer,sub=Regions" carries per region
> metrics. They are all formatted like so:
> {code}
> Namespace_default_table_IntegrationTestBigLinkedList_metric_incrementTime_98th_percentile:
> 0,
> Namespace_default_table_IntegrationTestBigLinkedList_metric_incrementTime_99th_percentile:
> 0,
> Namespace_default_table_IntegrationTestBigLinkedList_metric_incrementTime_99.9th_percentile:
> 0,
> Namespace_default_table_IntegrationTestBigLinkedList_metric_appendTime_num_ops:
> 0,
> Namespace_default_table_IntegrationTestBigLinkedList_metric_appendTime_min: 0,
> Namespace_default_table_IntegrationTestBigLinkedList_metric_appendTime_max: 0,
> Namespace_default_table_IntegrationTestBigLinkedList_metric_appendTime_mean:
> 0,
> {code}
> In the middle of them all is a metric named...
> {code}
> numRegions: 15,
> {code}
> It has a different format and it is out of scope when compared to the other
> metrics in this mbean; it belongs better elsewhere, perhaps in the Server
> bean.
> I noticed it because it breaks the parse done by tcollector scraping our
> metrics from /jmx
> It was added long ago in HBASE-14166
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