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Posted to common-issues@hadoop.apache.org by "Tom White (JIRA)" <ji...@apache.org> on 2010/04/27 06:47:31 UTC

[jira] Updated: (HADOOP-6623) Add StringUtils.split for non-escaped single-character separator

     [ https://issues.apache.org/jira/browse/HADOOP-6623?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tom White updated HADOOP-6623:
------------------------------

    Status: Open  (was: Patch Available)

Looks good. Since this is an optimization, we should really have a benchmark showing a speed improvement.

> Add StringUtils.split for non-escaped single-character separator
> ----------------------------------------------------------------
>
>                 Key: HADOOP-6623
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6623
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: util
>    Affects Versions: 0.22.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Minor
>         Attachments: hadoop-6623.txt
>
>
> This is for HDFS-1028 but useful generally. String.split("/") for example is way slower than an implementation that is specific to only single-character separators.

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