[jira] [Resolved] (HDDS-3236) Fix Dropwizard metrics mapping for latest Ratis metrics

["Marton Elek (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDDS-3236?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Marton Elek resolved HDDS-3236.
-------------------------------
    Target Version/s: 0.6.0
          Resolution: Fixed

> Fix Dropwizard metrics mapping for latest Ratis metrics
> -------------------------------------------------------
>
>                 Key: HDDS-3236
>                 URL: https://issues.apache.org/jira/browse/HDDS-3236
>             Project: Hadoop Distributed Data Store
>          Issue Type: Improvement
>            Reporter: Marton Elek
>            Assignee: Marton Elek
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> Ratis use dropwizard metrics where the key parameters of the metrics (like group name or instance id) are part of the name of the metrics instead of using a tag.
> For example
> {code:java}
> ratis.log_appender.851cb00a-af97-455a-b079-d94a77d2a936@group-C14654DE8C2C.follower_65f881ea-8794-403d-be77-a030ed79c341_match_index {code}
> Instead of
> {code:java}
> ratis.log_appender_match_index{group="group-C14654DE8C2C",...} {code}
> It makes hard to combine the same metrics (match_index) from different sources.
> HDDS-2950 implemented a regexp based workaround, but the regexp doesn't match for the latest Ratis metrics.



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