Specifically, look at compaction_throughput_mb_per_sec in cassandra.yaml On Mon, Aug 22, 2011 at 12:39 AM, Ryan King <r...@twitter.com> wrote: > You should throttle your compactions to a sustainable level. > > -ryan > > On Sun, Aug 21, 2011 at 10:22 PM, Hefeng Yuan <hfy...@rhapsody.com> wrote: >> We just noticed that at one time, 4 nodes were doing minor compaction >> together, each of them took 20~60 minutes. >> We're on 0.8.1, 6 nodes, RF5. >> This simultaneous compactions slowed down the whole cluster, we have >> local_quorum consistency level, therefore, dynamic_snitch is not helping us. >> >> Aside from lower down the compaction thread priority, is there any other way >> to tell the cluster hold on doing this if other nodes are already compacting? >> >> Thanks, >> Hefeng >
-- Jonathan Ellis Project Chair, Apache Cassandra co-founder of DataStax, the source for professional Cassandra support http://www.datastax.com
