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https://issues.apache.org/jira/browse/HDFS-7434?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kihwal Lee updated HDFS-7434:
-----------------------------
Resolution: Fixed
Fix Version/s: 2.7.0
Hadoop Flags: Reviewed
Status: Resolved (was: Patch Available)
I've committed this to branch-2 and trunk. Thanks for fixing this, Daryn.
> DatanodeID hashCode should not be mutable
> -----------------------------------------
>
> Key: HDFS-7434
> URL: https://issues.apache.org/jira/browse/HDFS-7434
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Affects Versions: 2.0.0-alpha, 3.0.0
> Reporter: Daryn Sharp
> Assignee: Daryn Sharp
> Fix For: 2.7.0
>
> Attachments: HDFS-7434.patch
>
>
> Mutable hash codes may lead to orphaned instances in a collection. Instances
> must always be removed prior to modification of hash code values, and
> re-inserted. Although current code appears to do this, the mutable hash code
> is a landmine.
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