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From "Chris Douglas (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (HADOOP-14216) Improve Configuration XML Parsing Performance
Date Thu, 23 Mar 2017 21:07:41 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14216?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15939231#comment-15939231
] 

Chris Douglas edited comment on HADOOP-14216 at 3/23/17 9:07 PM:
-----------------------------------------------------------------

I only skimmed the patch, but this looks good. Just a few questions:
* I have no trouble believing this shows up in perf traces, but out of curiosity, do you have
any data on the improvement this effects?
* Filed HADOOP-14225; can we use the dependency added here to replace xmlenc?
* Can you update/add/link docs on the {{xi:fallback}} and {{xi:include}} semantics? How do
these interact with {{final}} config values?


was (Author: chris.douglas):
I only skimmed the patch, but this looks good. Just a few questions:
* I have no trouble believing this shows up in perf traces, but out of curiosity, do you have
any data on the improvement this effects?
* Filed HADOOP-14255; can we use the dependency added here to replace xmlenc?
* Can you update/add/link docs on the {{xi:fallback}} and {{xi:include}} semantics? How do
these interact with {{final}} config values?

> Improve Configuration XML Parsing Performance
> ---------------------------------------------
>
>                 Key: HADOOP-14216
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14216
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Jonathan Eagles
>            Assignee: Jonathan Eagles
>         Attachments: HADOOP-14216.1.patch
>
>
> JIRA is to improve XML parsing performance through reuse and a change in XML parser (STAX)



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