I know it doesn't. But is this a valid enhancement request? On Tue, Jul 5, 2011 at 1:32 PM, Edward Capriolo <edlinuxg...@gmail.com>wrote:
> > > On Tue, Jul 5, 2011 at 1:27 PM, Raj N <raj.cassan...@gmail.com> wrote: > >> Hi experts, >> Are there any benchmarks that quantify how long nodetool repair >> takes? Something which says on this kind of hardware, with this much of >> data, nodetool repair takes this long. The other question that I have is >> since Cassandra recommends running nodetool repair within >> GCGracePeriodSeconds, is it possible to introduce a setting in >> cassandra.yaml, that allows you to specify the frequency of nodetool repair >> so that Cassandra can itself determine when to run nodetool repair instead >> of setting up a cron job. Since Cassandra knows about all its peers, it can >> be smart enough to also decide which nodes can run repair concurrently. For >> example, if RF =3, and I have 6 nodes, then 2 replicas which are responsible >> for different ranges in the ring can run repair concurrently. >> >> Thanks >> -Raj >> > > Currently Cassandra does not run repair automatically. You can use cron and > 'nodetool repair' as a simple approach. >