On Tue, Sep 21, 2010 at 8:29 AM, Juho Mäkinen <juho.maki...@gmail.com>wrote:
> It's known that compaction hurts the node performance so that it might > miss some requests. That's why it's important to handle these > situations and the client needs to retry the operation into another > working host. We have been storing performance data from each > cassandra request which we do into our five node cassandra production > cluster. > You should enable the dynamic snitch, since it's designed to route around nodes that are not performing well, due to compaction or other problems: https://issues.apache.org/jira/browse/CASSANDRA-981 Also, reducing the compaction thread's priority is a good idea: https://issues.apache.org/jira/browse/CASSANDRA-1181 These are on by default in 0.7, but require additional JVM args in 0.6 -Brandon
