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https://issues.apache.org/jira/browse/HDFS-9566?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15125919#comment-15125919
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Hudson commented on HDFS-9566:
------------------------------
FAILURE: Integrated in Hadoop-trunk-Commit #9213 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/9213/])
HDFS-9566. Remove expensive 'BlocksMap#getStorages(Block b, final
(vinayakumarb: rev e418bd1fb0568ce7ae22f588fea2dd9c95567383)
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlocksMap.java
> Remove expensive 'BlocksMap#getStorages(Block b, final DatanodeStorage.State
> state)' method
> -------------------------------------------------------------------------------------------
>
> Key: HDFS-9566
> URL: https://issues.apache.org/jira/browse/HDFS-9566
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Affects Versions: 3.0.0, 2.8.0
> Reporter: Daryn Sharp
> Assignee: Daryn Sharp
> Fix For: 2.8.0
>
> Attachments: HDFS-9566.branch-2.patch, HDFS-9566.patch
>
>
> HDFS-5318 added a {{BlocksMap#getStorages(Block, State)}} which is based on
> iterables and predicates. The method is very expensive compared to a simple
> comparison/continue.
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