log which memtable threshold has been hit
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Key: CASSANDRA-1675
URL: https://issues.apache.org/jira/browse/CASSANDRA-1675
Project: Cassandra
Issue Type: Improvement
Components: Core
Reporter: Robert Coli
Priority: Minor
Fix For: 0.6.7, 0.7 beta 3
There are three different tunable settings available for memtable sizing.
Tuning these is an important task to operations centric people, because it
relates to JVM memory management. Currently, the code logs when you have hit
one of the three thresholds, but it does not tell you which of the three you
have hit.
Attached patches against 0.6 and 0.7 branches add a log message for each of the
thresholds, indicating which one has been reached. If you were to find yourself
in the somewhat unlikely case of simultaneously hitting more than one, the new
code would only tell you which one you hit first, because that's all the
current codepath cares about.
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