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From "Tsuyoshi OZAWA (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-11032) Replace use of Guava Stopwatch
Date Tue, 06 Jan 2015 00:40:37 GMT

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

Tsuyoshi OZAWA updated HADOOP-11032:
------------------------------------
    Description: 
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 implement
original StopWatch based on Guava's one and Apache's one.

  was:
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. 


> 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 implement
original StopWatch based on Guava's one and Apache's one.



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