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https://issues.apache.org/jira/browse/HBASE-18060?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16021974#comment-16021974
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Andrew Purtell commented on HBASE-18060:
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Thanks. Let me test this patch locally to see if I can confirm any of the
precommit failures.
> Backport to branch-1 HBASE-9774 HBase native metrics and metric collection
> for coprocessors
> -------------------------------------------------------------------------------------------
>
> Key: HBASE-18060
> URL: https://issues.apache.org/jira/browse/HBASE-18060
> Project: HBase
> Issue Type: New Feature
> Affects Versions: 1.4.0, 1.3.2, 1.5.0
> Reporter: Vincent Poon
> Assignee: Vincent Poon
> Attachments: HBASE-18060.branch-1.3.v1.patch,
> HBASE-18060.branch-1.3.v2.patch, HBASE-18060.branch-1.3.v3.patch,
> HBASE-18060.branch-1.3.v4.patch, HBASE-18060.branch-1.3.v5.patch,
> HBASE-18060.branch-1.v1.patch, HBASE-18060.branch-1.v2.patch,
> HBASE-18060.branch-1.v3.patch, HBASE-18060.branch-1.v4.patch,
> HBASE-18060.branch-1.v5.patch
>
>
> I'd like to explore backporting HBASE-9774 to branch-1, as the ability for
> coprocessors to report custom metrics through HBase is useful for us, and if
> we have coprocessors use the native API, a re-write won't be necessary after
> an upgrade to 2.0.
> The main issues I see so far are:
> - the usage of Java 8 language features. Seems we can work around this as
> most of it is syntactic sugar. Will need to find a backport for LongAdder
> - dropwizard 3.1.2 in Master. branch-1 is still on yammer metrics 2.2. Not
> sure if these can coexist just for this feature
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