Brad Schoening created CASSANDRA-20081:
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Summary: Enhance nodetool compactionhistory to report compaction
type and strategy
Key: CASSANDRA-20081
URL: https://issues.apache.org/jira/browse/CASSANDRA-20081
Project: Cassandra
Issue Type: New Feature
Reporter: Brad Schoening
It would be useful for compactionhistory to report:
a) the type of compaction, normal background compaction, garbagecollect by
nodetool, or tombstone compaction (tombstone_threshold).
b) the compaction strategy, STCS, LCS, or TWCS. For level, the from-level and
to-level should be reported.
c) also useful would be to make the bytes in and out human readable and add a
-j option for machine readable json output.
Finally, the meaning of rows_merged should be documented in
[compactionhistory|[https://cassandra.apache.org/doc/stable/cassandra/tools/nodetool/compactionhistory.html].]
A StackOverflow article provides one of the few descriptions [What does
rows_merged mean in
compactionhistory|https://stackoverflow.com/questions/27566558/what-does-rows-merged-mean-in-compactionhistory]
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