I am using commodity hardware so even minor compact make disk io goes 100% and server load get very high
On Tue, Oct 11, 2011 at 11:19 AM, Yan Chunlu <springri...@gmail.com> wrote: > so how about disk io? is there anyway to use ionice to control it? > > I have tried to adjust the priority by "ionice -c3 -p [cassandra pid]. > seems not working... > > > On Wed, Sep 28, 2011 at 12:02 AM, Peter Schuller < > peter.schul...@infidyne.com> wrote: > >> > I saw the ticket about compaction throttling, just wonder is that >> necessary >> > to add an option or is there anyway to do repair throttling? >> > every time I run nodetool repair, it uses all disk io and the server >> load >> > goes up quickly, just wonder is there anyway to make it smoother. >> >> The validating compaction that is part of repair is subject to >> compaction throttling. >> >> The streaming of sstables afterwards is not however. In 1.0 there is >> thottling of streaming: >> https://issues.apache.org/jira/browse/CASSANDRA-3080 >> >> -- >> / Peter Schuller (@scode on twitter) >> > >
