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From "Yiqun Lin (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HDFS-13962) Add null check for add-replica pool to avoid lock acquiring
Date Fri, 05 Oct 2018 09:14:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-13962?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yiqun Lin reassigned HDFS-13962:
--------------------------------

    Assignee: Surendra Singh Lilhore

> Add null check for add-replica pool to avoid lock acquiring
> -----------------------------------------------------------
>
>                 Key: HDFS-13962
>                 URL: https://issues.apache.org/jira/browse/HDFS-13962
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 3.1.1
>            Reporter: Yiqun Lin
>            Assignee: Surendra Singh Lilhore
>            Priority: Major
>
> This is a follow-up work for HDFS-13768. Mainly two places needed to update:
> * Add null check for add-replica pool to avoid lock acquiring
> * In {{ReplicaMap#addAndGet}}, it would be better to use {{FoldedTreeSet#addOrReplace}}
instead of {{FoldedTreeSet#add}} for adding replica info.



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