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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18060) Backport to branch-1 HBASE-9774 HBase native metrics and metric collection for coprocessors
Date Wed, 24 May 2017 01:31:04 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18060?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16022188#comment-16022188

Andrew Purtell commented on HBASE-18060:

While running the test suite for branch-1 locally I get the below at step maven-remote-resources-plugin:1.5:process
(aggregate-licenses) @ hbase-assembly :
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-remote-resources-plugin:1.5:process
(aggregate-licenses) on project hbase-assembly: Error rendering velocity resource. Error invoking
method 'get(java.lang.Integer)' in java.util.ArrayList at META-INF/LICENSE.vm[line 1678, column
8]: InvocationTargetException: Index: 0, Size: 0 -> [Help 1]
Did not investigate why. supplemental-models.xml on branch-1 needs adjustment? 

TestReplicasClient flaked. Not related to the change as far as I can tell. 
Flaked tests: 
  Run 1: TestReplicasClient.testCancelOfMultiGet:585 null
  Run 2: PASS

> 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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