Xu Zhidan created HBASE-20240:
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Summary: CLONE - Add Per-Table metrics back
Key: HBASE-20240
URL: https://issues.apache.org/jira/browse/HBASE-20240
Project: HBase
Issue Type: Sub-task
Reporter: Xu Zhidan
Assignee: Alicia Ying Shu
Fix For: 1.3.0, 2.0.0
We used to have per-table metrics, but it was removed in some restructuring. We
have per-region metrics, and per-regionserver metrics, but nothing in between.
For majority of users, per-region is too granular, they are mostly interested
in table level aggregates. This is especially useful in multi-tenant cases
where a table's disk usage, number of requests, etc can be made much more
visible.
In this jira, we'll add the basic infrastructure to add a single (or a few)
per-table metrics. Than we can improve on that by adding remaining metrics from
the region server level.
The plan is to NOT aggregate per-table metrics at master for now. Just
aggregation of per-region metrics at the per-table level for every
regionserver.
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