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Posted to hdfs-issues@hadoop.apache.org by "Zhe Zhang (JIRA)" <ji...@apache.org> on 2016/11/15 07:12:59 UTC
[jira] [Updated] (HDFS-10475) Adding metrics for long FSNamesystem
read and write locks
[ https://issues.apache.org/jira/browse/HDFS-10475?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Zhe Zhang updated HDFS-10475:
-----------------------------
Issue Type: Improvement (was: New Feature)
> Adding metrics for long FSNamesystem read and write locks
> ---------------------------------------------------------
>
> Key: HDFS-10475
> URL: https://issues.apache.org/jira/browse/HDFS-10475
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Reporter: Xiaoyu Yao
> Assignee: Erik Krogen
> Labels: metrics
>
> This is a follow up of the comment on HADOOP-12916 and [here|https://issues.apache.org/jira/browse/HDFS-9924?focusedCommentId=15310837&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15310837] add more metrics and WARN/DEBUG logs for long FSD/FSN locking operations on namenode similar to what we have for slow write/network WARN/metrics on datanode.
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