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https://issues.apache.org/jira/browse/HDFS-12320?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16177917#comment-16177917
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Hudson commented on HDFS-12320:
-------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #12956 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/12956/])
HDFS-12320. Add quantiles for transactions batched in Journal sync. (aengineer:
rev 423ebcaf51099268a1c219c42ce339f86d4da111)
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/metrics/NameNodeMetrics.java
* (edit) hadoop-common-project/hadoop-common/src/site/markdown/Metrics.md
> Add quantiles for transactions batched in Journal sync
> -------------------------------------------------------
>
> Key: HDFS-12320
> URL: https://issues.apache.org/jira/browse/HDFS-12320
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: metrics, namenode
> Reporter: Hanisha Koneru
> Assignee: Hanisha Koneru
> Fix For: 3.1.0
>
> Attachments: HDFS-12320.001.patch
>
>
> We currently track the overall count of the transactions which were batch
> during journal sync through the metric _TransactionsBatchedInSync_. It will
> be useful to to have a quantile to measure the transactions batched together
> over a period. This would give a better understanding of the distribution of
> the batching.
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