AFAIK, when you run a repair a snapshot is created. After the repair, I run "nodetool clearsnapshot" to save disk space. Not sure it's you case or not. []s
2014-06-18 13:10 GMT-03:00 Brian Tarbox <tar...@cabotresearch.com>: > We do a repair -pr on each node once a week on a rolling basis. > Should we be running cleanup as well? My understanding that was only used > after adding/removing nodes? > > We'd like to avoid adding nodes if possible (which might not be). Still > curious if we can get C* to do the maintenance task on a separate volume. > > Thanks. > > > On Wed, Jun 18, 2014 at 12:03 PM, Jeremy Jongsma <jer...@barchart.com> > wrote: > >> One option is to add new nodes, and do a node repair/cleanup on >> everything. That will at least reduce your per-node data size. >> >> >> On Wed, Jun 18, 2014 at 11:01 AM, Brian Tarbox <tar...@cabotresearch.com> >> wrote: >> >>> I'm running on AWS m2.2xlarge instances using the ~800 gig >>> ephemeral/attached disk for my data directory. My data size per node is >>> nearing 400 gig. >>> >>> Sometimes during maintenance operations (repairs mostly I think) I run >>> out of disk space as my understanding is that some of these operations >>> require double the space of one's data. >>> >>> Since I can't change the size of attached storage for my instance type >>> my question is can I somehow get these maintenance operations to use other >>> volumes? >>> >>> Failing that, what are my options? Thanks. >>> >>> Brian Tarbox >>> >> >> >