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https://issues.apache.org/jira/browse/HADOOP-11640?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14344681#comment-14344681
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Haohui Mai commented on HADOOP-11640:
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I agree with Colin that it makes more sense for an escaping mechanism instead
of making it configurable. Not only it is an incompatible change,
{{Configuration}} is performance-critical and I'm concerned about the
performance penalty it introduces.
> add user defined delimiter support to Configuration
> ---------------------------------------------------
>
> Key: HADOOP-11640
> URL: https://issues.apache.org/jira/browse/HADOOP-11640
> Project: Hadoop Common
> Issue Type: Improvement
> Affects Versions: 2.6.0
> Reporter: John Wang
> Assignee: John Wang
> Attachments: HADOOP-11640.patch
>
>
> As mentioned by org.apache.hadoop.conf.Configuration.getStrings ("Get the
> comma delimited values of the name property as an array of Strings"), only
> comma separated strings can be used. It would be much better if user defined
> separators are supported.
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