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https://issues.apache.org/jira/browse/MAPREDUCE-2557?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arun C Murthy updated MAPREDUCE-2557:
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Status: Open (was: Patch Available)
Sorry to come in late, the patch has gone stale. Can you please rebase? Thanks.
> Counters don't reset state when readFields() called
> ---------------------------------------------------
>
> Key: MAPREDUCE-2557
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2557
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: William Slacum
> Priority: Trivial
> Attachments: MAPREDUCE-2557-style.patch, MAPREDUCE-2557.patch
>
> Original Estimate: 0.5h
> Remaining Estimate: 0.5h
>
> When calling readFields() on a Counters object, the internal state is not
> completely reset. The IdentityHashMap<Enum<?>, Counter> cache retains all
> previous mappings, even after the actual CounterGroups are changed. Using the
> same Counters pointer over and over again results in the cache always keeping
> the mapping for the first call to getCounter(Enum<?>). I've add a clear()
> call to the cache when readFields() is called and added a unit test to verify
> that it works.
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