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https://issues.apache.org/jira/browse/HDFS-4185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14550279#comment-14550279
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Hudson commented on HDFS-4185:
------------------------------
FAILURE: Integrated in Hadoop-Yarn-trunk #932 (See
[https://builds.apache.org/job/Hadoop-Yarn-trunk/932/])
HDFS-4185. Add a metric for number of active leases (Rakesh R via raviprak)
(raviprak: rev cdfae446ad285db979a79bf55665363fd943702c)
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/LeaseManager.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/metrics/TestNameNodeMetrics.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
> 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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