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https://issues.apache.org/jira/browse/HADOOP-18748?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17725322#comment-17725322
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ASF GitHub Bot commented on HADOOP-18748:
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steveloughran commented on PR #5685:
URL: https://github.com/apache/hadoop/pull/5685#issuecomment-1558907685
you know, if we could speed up the basic .get() it can only be good. at the
same time, this is such a broadly used piece of code, we are scared of doing
anything risky to it.
what can we do in terms of testing that all this is good? I'm thinking of
concurrency as well as everything else?
> Configuration.get is slow
> -------------------------
>
> Key: HADOOP-18748
> URL: https://issues.apache.org/jira/browse/HADOOP-18748
> Project: Hadoop Common
> Issue Type: Improvement
> Components: conf
> Reporter: Alkis Evlogimenos
> Priority: Major
> Labels: pull-request-available
>
> `Configuration.get` is slow mainly because of the overhead of
> `handleDeprecation` and eager creation of `overlay` even when null.
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