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https://issues.apache.org/jira/browse/OOZIE-2645?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16411643#comment-16411643
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Hadoop QA commented on OOZIE-2645:
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PreCommit-OOZIE-Build started
> Deprecate Instrumentation in favor of Metrics
> ---------------------------------------------
>
> Key: OOZIE-2645
> URL: https://issues.apache.org/jira/browse/OOZIE-2645
> Project: Oozie
> Issue Type: Improvement
> Components: monitoring
> Affects Versions: 5.0.0
> Reporter: Robert Kanter
> Assignee: Andras Piros
> Priority: Blocker
> Fix For: 5.0.0
>
> Attachments: OOZIE-2645.001.patch
>
>
> OOZIE-1817 added the option to use DropWizard Metrics instead of our
> homegrown Instrumentation. We left the Instrumentation as the default for
> compatibility; in Oozie 5, we should drop Instrumentation and only have
> Metrics.
> We can also use this opportunity to clean up the code and interface for
> Metrics, which currently has to conform to Instrumentation for pluggability.
> ----
> Update: for 5.0.0 we only deprecate {{InstrumentationService}}, and make
> {{MetricsInstrumentationService}} the default.
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