[jira] [Updated] (HBASE-10755) MutableHistogram is capitalizing the metric names

["Jean-Daniel Cryans (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-10755?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jean-Daniel Cryans updated HBASE-10755:
---------------------------------------

    Attachment: HBASE-10755.patch

With this patch we'll have Namespace_ everywhere.

> MutableHistogram is capitalizing the metric names
> -------------------------------------------------
>
>                 Key: HBASE-10755
>                 URL: https://issues.apache.org/jira/browse/HBASE-10755
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.96.0
>            Reporter: Jean-Daniel Cryans
>            Priority: Minor
>         Attachments: HBASE-10755.patch
>
>
> Noticed something while looking at MBeans; some metric names are capitalized while others aren't. This has the unwanted property of changing the metric names sorting. For example:
> Namespace_default_table_t_region_0122d54a90c9dc191857daf11e8a047d_metric_scanNext_num_ops
> namespace_default_table_t_region_0122d54a90c9dc191857daf11e8a047d_metric_appendCount
> The reason for this is that {{MutableHistogram}} uses {{StringUtils.capitalize()}} on the metrics name (as create by {{MetricsRegionSourceImpl}} with "namespace_").
> I'm not sure what the intent was with capitalization, but either way it's a simple fix. [~eclark]?



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