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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9252) StringUtils.humanReadableInt(..) has a race condition
Date Wed, 06 Feb 2013 14:07:14 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9252?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13572420#comment-13572420
] 

Hudson commented on HADOOP-9252:
--------------------------------

Integrated in Hadoop-Mapreduce-trunk #1336 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1336/])
    HDFS-4468.  Use the new StringUtils methods added by HADOOP-9252 and fix TestHDFSCLI and
TestQuota. (Revision 1442824)

     Result = SUCCESS
szetszwo : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1442824
Files : 
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSUtil.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/DSQuotaExceededException.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/DatanodeInfo.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/ClusterJspHelper.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NamenodeJspHelper.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSAdmin.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestQuota.java
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/resources/testHDFSConf.xml

                
> StringUtils.humanReadableInt(..) has a race condition
> -----------------------------------------------------
>
>                 Key: HADOOP-9252
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9252
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: util
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>            Priority: Minor
>             Fix For: 2.0.3-alpha
>
>         Attachments: c9252_20130127.patch, c9252_20130128.patch, c9252_20130203.patch,
c9252_20130204.patch
>
>
> humanReadableInt(..) incorrectly uses oneDecimal without synchronization.
> Also, limitDecimalTo2(double) correctly uses decimalFormat with synchronization.  However,
synchronization can be avoided for a better performance.

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