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From "Geoffrey Jacoby (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-16448) Custom metrics for custom replication endpoints
Date Tue, 23 Aug 2016 23:51:20 GMT

     [ https://issues.apache.org/jira/browse/HBASE-16448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Geoffrey Jacoby updated HBASE-16448:
------------------------------------
    Attachment: HBASE-16448-0.98.patch

0.98 version of patch.

> Custom metrics for custom replication endpoints
> -----------------------------------------------
>
>                 Key: HBASE-16448
>                 URL: https://issues.apache.org/jira/browse/HBASE-16448
>             Project: HBase
>          Issue Type: Improvement
>          Components: Replication
>    Affects Versions: 2.0.0, 1.2.2, 0.98.21
>            Reporter: Geoffrey Jacoby
>            Assignee: Geoffrey Jacoby
>         Attachments: HBASE-16448-0.98.patch, HBASE-16448-branch-1.patch, HBASE-16448.patch
>
>
> ReplicationEndpoints contain a MetricsSource class that can update a fixed set of key
replication metrics. It does not, however, allow a developer implementing a custom ReplicationEndpoint
to create/update custom metrics unique to the new endpoint's use case. 
> As it turns out, MetricsSource wraps a class, which in turn wraps a class, that implements
the Hadoop BaseSource interface, which does allow for custom metrics. Simply having the two
wrappers implement BaseSource as well with pass-through methods should be straightforward,
and would allow replication endpoints to use these generic metric methods.



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