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Posted to common-dev@hadoop.apache.org by "Gary Steelman (JIRA)" <ji...@apache.org> on 2014/08/29 23:45:53 UTC

[jira] [Created] (HADOOP-11032) Replace use of Guava Stopwatch with Apache StopWatch

Gary Steelman created HADOOP-11032:
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             Summary: Replace use of Guava Stopwatch with Apache StopWatch
                 Key: HADOOP-11032
                 URL: https://issues.apache.org/jira/browse/HADOOP-11032
             Project: Hadoop Common
          Issue Type: Improvement
            Reporter: Gary Steelman


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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