compaction throughput doesn't affect flushing or reads On Mon, Sep 26, 2011 at 7:40 AM, Yan Chunlu <springri...@gmail.com> wrote: > I am using the default 16MB when running repair. but the disk io is still > quite high: > Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz > avgqu-sz await r_await w_await svctm %util > sdb 136.00 0.00 506.00 26.00 63430.00 5880.00 260.56 > 101.73 224.38 6.60 4462.62 1.88 100.00 > Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz > avgqu-sz await r_await w_await svctm %util > sdb 58.50 21978.00 131.00 122.50 16226.00 52596.00 542.97 > 122.98 870.28 10.02 1790.24 3.94 100.00 > > > > the rkB/s and wKB/s are almost 60MB, did I misunderstand the meaning of > compaction throttle? > > cassandra version is 0.8.6
-- Jonathan Ellis Project Chair, Apache Cassandra co-founder of DataStax, the source for professional Cassandra support http://www.datastax.com
