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From "Rakesh R (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4185) Add a metric for number of active leases
Date Tue, 19 May 2015 02:55:02 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14549706#comment-14549706
] 

Rakesh R commented on HDFS-4185:
--------------------------------

Thanks [~raviprak], [~kihwal], [~vinayrpet] for the help.

> Add a metric for number of active leases
> ----------------------------------------
>
>                 Key: HDFS-4185
>                 URL: https://issues.apache.org/jira/browse/HDFS-4185
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>    Affects Versions: 0.23.4, 2.0.2-alpha
>            Reporter: Kihwal Lee
>            Assignee: Rakesh R
>             Fix For: 2.8.0
>
>         Attachments: HDFS-4185-001.patch, HDFS-4185-002.patch, HDFS-4185-003.patch, HDFS-4185-004.patch,
HDFS-4185-005.patch, HDFS-4185-006.patch, HDFS-4185-007.patch, HDFS-4185-008.patch, HDFS-4185-009.patch
>
>
> We have seen cases of systematic open file leaks, which could have been detected if we
have a metric that shows number of active leases.



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