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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8792) BlockManager#postponedMisreplicatedBlocks should use a LightWeightHashSet to save memory
Date Mon, 17 Aug 2015 22:24:46 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8792?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14700333#comment-14700333
] 

Hudson commented on HDFS-8792:
------------------------------

FAILURE: Integrated in Hadoop-trunk-Commit #8314 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/8314/])
HDFS-8792. BlockManager#postponedMisreplicatedBlocks should use a LightWeightHashSet to save
memory (Yi Liu via Colin P. McCabe) (cmccabe: rev c77bd6af16cbc26f88a2c6d8220db83a3e1caa2c)
* 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/test/java/org/apache/hadoop/hdfs/util/TestLightWeightHashSet.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/util/LightWeightHashSet.java


> BlockManager#postponedMisreplicatedBlocks should use a LightWeightHashSet to save memory
> ----------------------------------------------------------------------------------------
>
>                 Key: HDFS-8792
>                 URL: https://issues.apache.org/jira/browse/HDFS-8792
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Yi Liu
>            Assignee: Yi Liu
>             Fix For: 2.8.0
>
>         Attachments: HDFS-8792.001.patch, HDFS-8792.002.patch, HDFS-8792.003.patch
>
>
> {{LightWeightHashSet}} requires fewer memory than java hashset. 



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