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https://issues.apache.org/jira/browse/HADOOP-6490?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Harsh J updated HADOOP-6490:
----------------------------
Target Version/s: (was: 0.23.1)
Fix Version/s: (was: 0.24.0)
0.23.1
Backported to 0.23
> Path.normalize should use StringUtils.replace in favor of String.replace
> ------------------------------------------------------------------------
>
> Key: HADOOP-6490
> URL: https://issues.apache.org/jira/browse/HADOOP-6490
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs
> Affects Versions: 0.20.1
> Reporter: Zheng Shao
> Assignee: Uma Maheswara Rao G
> Priority: Minor
> Labels: newbie
> Fix For: 0.23.1
>
> Attachments: HADOOP-6490.patch
>
>
> in our environment, we are seeing that the JobClient is going out of memory
> because Path.normalizePath(String) is called several tens of thousands of
> times, and each time it calls "String.replace" twice.
> java.lang.String.replace compiles a regex to do the job which is very costly.
> We should use org.apache.commons.lang.StringUtils.replace which is much
> faster and consumes almost no extra memory.
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