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https://issues.apache.org/jira/browse/HADOOP-9981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13776665#comment-13776665
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Hadoop QA commented on HADOOP-9981:
-----------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12604835/HADOOP-9981.001.patch
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 1 new
or modified test files.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javadoc{color}. The javadoc tool did not generate any
warning messages.
{color:green}+1 eclipse:eclipse{color}. The patch built with
eclipse:eclipse.
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 1.3.9) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:red}-1 core tests{color}. The patch failed these unit tests in
hadoop-common-project/hadoop-common hadoop-hdfs-project/hadoop-hdfs:
org.apache.hadoop.fs.TestPath
org.apache.hadoop.cli.TestHDFSCLI
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-HADOOP-Build/3117//testReport/
Console output:
https://builds.apache.org/job/PreCommit-HADOOP-Build/3117//console
This message is automatically generated.
> Listing in RawLocalFileSystem is inefficient
> --------------------------------------------
>
> 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
>
>
> 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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