[jira] [Updated] (HBASE-16448) Custom metrics for custom replication endpoints

["Geoffrey Jacoby (JIRA)" <ji...@apache.org>]

     [ 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.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.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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