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From Apache Wiki <wikidi...@apache.org>
Subject [Cassandra Wiki] Update of "PerformanceTuning" by JonathanEllis
Date Wed, 18 Aug 2010 01:56:09 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Cassandra Wiki" for change notification.

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:
  
  {{{

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