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https://issues.apache.org/jira/browse/HADOOP-11032?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsuyoshi OZAWA updated HADOOP-11032:
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Attachment: HADOOP-11032.1.patch
Quick prototype to replace Guava Stopwatch with Apache StopWatch.
It can be replaced straightforwardly. One concerns is that some components use
Guava Stopwatch in micro second mode, but Apache StopWatch only provides
millisecond-level precision.
> 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
> Attachments: HADOOP-11032.1.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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