Implement histogram metrics for flush and compaction latencies and sizes.
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Key: HBASE-5786
URL: https://issues.apache.org/jira/browse/HBASE-5786
Project: HBase
Issue Type: New Feature
Components: metrics, regionserver
Affects Versions: 0.92.2, 0.94.0, 0.96.0
Reporter: Jonathan Hsieh
Assignee: Shaneal Manek
Average time for region operations doesn't really tell a useful story when that
help diagnose anomalous conditions.
It would be extremely useful to add histogramming metrics similar to HBASE-5533
for region operations like flush, compaction and splitting. The probably
should be forward biased at a much coarser granularity however (maybe decay
every day?)
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