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https://issues.apache.org/jira/browse/HBASE-6411?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13418417#comment-13418417
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Alex Baranau commented on HBASE-6411:
-------------------------------------
To sum up:
To me, with approach in this patch, we *really* create *shim for hadoop
classes* as opposed to moving HBase classes (metric sources implementations and
such) into the shim layer. This way every class/interface from hadoop-compat
acts as a shim for hadoop class, which makes it easier to switch to actual
implementation later down the road. I'd say we may be should follow this logic
when adding things into the shim layer.
But there might be a con to that: we have to provide shim for more classes with
this approach. Though still it looks like there shouldn't be many of them. For
now the difference boils down to two extra Mutable metrics classes.
> Move Master Metrics to metrics 2
> --------------------------------
>
> Key: HBASE-6411
> URL: https://issues.apache.org/jira/browse/HBASE-6411
> Project: HBase
> Issue Type: Sub-task
> Reporter: Elliott Clark
> Assignee: Alex Baranau
> Attachments: HBASE-6411_concept.patch
>
>
> Move Master Metrics to metrics 2
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