Make memtable flush thresholds per-CF instead of global
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Key: CASSANDRA-1007
URL: https://issues.apache.org/jira/browse/CASSANDRA-1007
Project: Cassandra
Issue Type: Improvement
Reporter: Jonathan Ellis
Priority: Minor
Fix For: 0.7
This is particularly useful in the scenario where you have a few CFs with a
high volume of overwrite operations; increasing the memtable size/op count
means that you can do the overwrite in memory before it ever hits disk. Once
on disk compaction is much more work for the system.
But, you don't want to give _all_ your CFs that high of a threshold because the
memory is better used elsewhere, and because it makes commitlog replay
unnecessarily painful.
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