On Mon, Aug 17, 2015 at 8:50 AM, Stan Lemon <sle...@salesforce.com> wrote:, > > Thanks for the reply. I do have vnodes. I was not aware of the -par flag > on the repair command, I was actually referring to have repair run on both > nodes A & B at the same time. It sounds like though, that I should > probably be using this -par flag but to do it per node sequentially one > after the other? >
That's what I was suggesting, yes. > Right now just running 'nodetool repair' on one node is taking ~3.5 days, > with 24 nodes I am now starting to question whether or not I should be > increasing gc_grace_second to be much longer than the default 10 days since > it's going to take longer than 10 days to repair the whole cluster. > Yep, I personally recommend setting it to 34 days and then kicking off repair on the first of the month. That way you have been 3 and 7 days for it to complete, which should in most cases be enough time. Have you unthrottled compaction and etc.? 10 days is a long time... =Rob
