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Posted to common-issues@hadoop.apache.org by "Tsuyoshi OZAWA (JIRA)" <ji...@apache.org> on 2015/01/06 01:39:37 UTC

[jira] [Updated] (HADOOP-11032) Replace use of Guava Stopwatch

     [ https://issues.apache.org/jira/browse/HADOOP-11032?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tsuyoshi OZAWA updated HADOOP-11032:
------------------------------------
    Summary: Replace use of Guava Stopwatch  (was: Replace use of Guava Stopwatch with Apache StopWatch)

> Replace use of Guava Stopwatch
> ------------------------------
>
>                 Key: HADOOP-11032
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11032
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Gary Steelman
>            Assignee: Tsuyoshi OZAWA
>         Attachments: HADOOP-11032.1.patch, HADOOP-11032.2.patch, HADOOP-11032.3.patch, HADOOP-11032.3.patch, HADOOP-11032.3.patch, HADOOP-11032.3.patch, HADOOP-11032.3.patch, HADOOP-11032.4.patch, HADOOP-11032.5.patch, HADOOP-11032.6.patch, HADOOP-11032.7.patch, HADOOP-11032.8.patch
>
>
> This patch reduces Hadoop's dependency on an old version of guava. Stopwatch.elapsedMillis() isn't part of guava past v16 and the tools I'm working on use v17. 
> To remedy this and also reduce Hadoop's reliance on old versions of guava, we can use the Apache StopWatch (org.apache.commons.lang.time.StopWatch) which provides nearly equivalent functionality. apache.commons.lang is already a dependency for Hadoop so this will not introduce new dependencies. 



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