Evelyn Boland created HBASE-28837:
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Summary: Add row statistics coprocessor
Key: HBASE-28837
URL: https://issues.apache.org/jira/browse/HBASE-28837
Project: HBase
Issue Type: Improvement
Affects Versions: 3.0.0-beta-1, 2.0.0
Reporter: Evelyn Boland
Goal:
Add a coprocessor to HBase that allows administrators to track high level
statistics on the rows and cells in their HBase tables. Administrators can load
this coprocessor into their RegionServers if they wish to gain more visibility
into the shape of their data in HBase.
At my day job, we've leveraged the statistics from this coprocessor to
automatically configure more optimal block sizes and smarter compaction
schedules for our fleet of nearly 200 HBase clusters.
Context:
Since HBase tables can store terabytes or even petabytes of data, HBase
administrators often have incomplete information about the data stored in their
HBase tables. Without a comprehensive understanding of the shape of their data,
it can be difficult for administrators to configure clusters for a desired
level of performance and/or reliability. Row statistics have the potential to
supercharge HBase management.
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