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https://issues.apache.org/jira/browse/HDFS-15931?focusedWorklogId=575824&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-575824
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ASF GitHub Bot logged work on HDFS-15931:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 01/Apr/21 23:39
Start Date: 01/Apr/21 23:39
Worklog Time Spent: 10m
Work Description: liuml07 edited a comment on pull request #2830:
URL: https://github.com/apache/hadoop/pull/2830#issuecomment-812233579
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Issue Time Tracking
-------------------
Worklog Id: (was: 575824)
Time Spent: 2h 10m (was: 2h)
> Fix non-static inner classes for better memory management
> ---------------------------------------------------------
>
> Key: HDFS-15931
> URL: https://issues.apache.org/jira/browse/HDFS-15931
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Viraj Jasani
> Assignee: Viraj Jasani
> Priority: Major
> Labels: pull-request-available
> Time Spent: 2h 10m
> Remaining Estimate: 0h
>
> If an inner class does not need to reference its enclosing instance, it can
> be static. This prevents a common cause of memory leaks and uses less memory
> per instance of the enclosing class.
> Came across DataNodeProperties as a non static inner class defined in
> MiniDFSCluster without holding any implicit reference to MiniDFSCluster.
> Taking this opportunity to find other non-static inner classes that are not
> holding implicit reference to their respective enclosing instances.
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