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The "PerformanceTuning" page has been changed by JonathanEllis. http://wiki.apache.org/cassandra/PerformanceTuning?action=diff&rev1=4&rev2=5 -------------------------------------------------- + To lower compaction priority (thus reducing its impact on the rest of the system, and making it take longer), add these options to cassandra.in.sh in 0.6.3 or later: + + {{{ + -XX:+UseThreadPriorities \ + -XX:ThreadPriorityPolicy=42 \ + -Dcassandra.compaction.priority=1 \ + }}} + Useful JVM options: {{{
