Revisit compaction policies after HBASE-2248 commit
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Key: HBASE-2453
URL: https://issues.apache.org/jira/browse/HBASE-2453
Project: Hadoop HBase
Issue Type: Improvement
Reporter: Jonathan Gray
Priority: Critical
Fix For: 0.20.4, 0.20.5, 0.21.0
HBASE-2248 turned Gets into Scans server-side. It also removed the invariant
that deletes in a file only apply to other files and not itself (no longer
processes MemStore deletes when the delete happens). This has implications for
our minor compaction policy.
We are currently processing deletes during minor compactions in a way that
makes it so we do the actual deleting as we compact, but we retain the delete
records themselves. This makes it so we retain the invariant of deletes only
applying to other files.
Since this is now gone post HBASE-2248, we should revisit our compaction
policies.
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