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https://issues.apache.org/jira/browse/HDFS-15491?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nishtha Shah reassigned HDFS-15491:
-----------------------------------
Assignee: Nishtha Shah
> Journal transactions batched in sync metrics are missing from Journal Node
> JMX
> --------------------------------------------------------------------------------
>
> Key: HDFS-15491
> URL: https://issues.apache.org/jira/browse/HDFS-15491
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: 3.1.1, hdfs, journal-node, qjm
> Affects Versions: 3.1.1
> Reporter: Mohit Saindane
> Assignee: Nishtha Shah
> Priority: Critical
> Labels: newbie, patch, pull-request-available
> Fix For: 3.1.1
>
> Attachments: JournalNode metrics issue.png
>
>
> I have enable the HA in HDP3.1.5 multinode cluster, I was trying to access
> the REST response given by Journal Node on http 8480 port, but as per [Apache
> Hadoop 3.1.1
> Documentation|[https://hadoop.apache.org/docs/r3.1.1/hadoop-project-dist/hadoop-common/Metrics.html#JournalNode]]
> I found that some of the Journal Node specific metrics are missing. (metrics
> like NumTransactionsBatchedInSync_(60,300,3600)_sNumOps and
> NumTransactionsBatchedInSync_Num_s_(50/75/90/95/99)_thPercentileLatencyMicros),
> So checked the _JournalMetrics.java_ code given in
> _hadoop-hdfs-3.1.1.3.1.5.0-152-sources.jar_ as well as __ [Hadoop Open Source
> Code|[https://github.com/apache/hadoop/blob/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/qjournal/server/JournalMetrics.java]]
> found that the following code is missing :
>
> @Metric("Journal transactions batched in sync")
> final MutableQuantiles[] numTransactionsBatchedInSync;
>
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