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https://issues.apache.org/jira/browse/HADOOP-11506?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gera Shegalov updated HADOOP-11506:
-----------------------------------
Assignee: Gera Shegalov
Target Version/s: 2.7.0
Status: Patch Available (was: Open)
> Configuration.get() is unnecessarily slow
> -----------------------------------------
>
> Key: HADOOP-11506
> URL: https://issues.apache.org/jira/browse/HADOOP-11506
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Dmitriy V. Ryaboy
> Assignee: Gera Shegalov
> Attachments: HADOOP-11506.001.patch
>
>
> Profiling several large Hadoop jobs, we discovered that a surprising amount
> of time was spent inside Configuration.get, more specifically, in regex
> matching caused by the substituteVars call.
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