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https://issues.apache.org/jira/browse/HADOOP-9981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13778070#comment-13778070
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Hudson commented on HADOOP-9981:
--------------------------------
SUCCESS: Integrated in Hadoop-trunk-Commit #4466 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/4466/])
HADOOP-9981. globStatus should minimize its listStatus and getFileStatus calls.
(Contributed by Colin Patrick McCabe) (cmccabe:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1526297)
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/Globber.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/fs/TestGlobPaths.java
> globStatus should minimize its listStatus and getFileStatus calls
> -----------------------------------------------------------------
>
> Key: HADOOP-9981
> URL: https://issues.apache.org/jira/browse/HADOOP-9981
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 2.3.0
> Reporter: Kihwal Lee
> Assignee: Colin Patrick McCabe
> Priority: Critical
> Attachments: HADOOP-9981.001.patch, HADOOP-9981.002.patch,
> HADOOP-9981.003.patch
>
>
> After HADOOP-9652, listStatus() or globStatus() calls against a local file
> system directory is very slow. A user was loading data from local file
> system to Hive and it took about 30 seconds. The same operation took less
> than a second pre-HADOOP-9652.
> The input path had many other files beside the input files and strace showed
> that fork & exec of stat against each and every one of them. jstack confirmed
> that this was being done from getNativeFileLinkStatus().
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