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Posted to dev@hbase.apache.org by "Jean-Daniel Cryans (JIRA)" <ji...@apache.org> on 2014/03/14 23:24:42 UTC
[jira] [Created] (HBASE-10755) MutableHistogram is capitalizing the
metric names
Jean-Daniel Cryans created HBASE-10755:
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Summary: 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
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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