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https://issues.apache.org/jira/browse/HDFS-13962?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16642726#comment-16642726
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Hudson commented on HDFS-13962:
-------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #15142 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/15142/])
HDFS-13962. Add null check for add-replica pool to avoid lock acquiring.
(yqlin: rev 1043795f7fe44c98a34f8ea3cea708c801c3043b)
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/BlockPoolSlice.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/ReplicaMap.java
> 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
> Fix For: 3.2.0, 3.1.2, 3.3.0
>
> Attachments: HDFS-13962.01.patch
>
>
> 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. This is for the logic consistentency with add operation
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