Valid suggestion. Stick to the plan, avoid downtime of a node more than hinted handoff window. OR increase window to a larger value, if you know it is going to take longer than current setting
Regards, Nitan Cell: 510 449 9629 > On Apr 8, 2019, at 8:43 PM, Soumya Jena <soumya.jena61...@gmail.com> wrote: > > Cassandra tracks it and no new hints will be created once the default 3 hours > window is passed . However , cassandra will not automatically trigger a > repair if your node is down for more than 3 hours .Default settings of 3 > hours for hints is defined in cassandra.yaml file . Look for > "max_hint_window_in_ms" in the cassandra.yaml file. Its configurable . Apart > from the periodic repair you should start a repair when you bring up a node > which has missed some writes . > > One more thing is if node is down for long time and missed a lot of writes > sometimes it may be better to add that as a new fresh node rather than adding > it and then doing repair . > >> On Mon, Apr 8, 2019 at 4:49 PM Stefan Miklosovic >> <stefan.mikloso...@instaclustr.com> wrote: >> Ah I see it is the default for hinted handoffs. I was somehow thinking >> its bigger figure I do not know why :) >> >> I would say you should run repairs continuously / periodically so you >> would not even have to do some thinking about that and it should run >> in the background in a scheduled manner if possible. >> >> Regards >> >> On Tue, 9 Apr 2019 at 04:19, Kunal <kunal.v...@gmail.com> wrote: >> > >> > Hello everyone.. >> > >> > >> > >> > I have a 6 node Cassandra datacenter, 3 nodes on each datacenter. If one >> > of the node goes down and remain down for more than 3 hr, I have to run >> > nodetool repair. Just wanted to ask if Cassandra automatically tracks the >> > time when one of the Cassandra node goes down or do I need to write code >> > to track the time and run repair when node comes back online after 3 hrs. >> > >> > >> > Thanks in anticipation. >> > >> > Regards, >> > Kunal Vaid >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: user-unsubscr...@cassandra.apache.org >> For additional commands, e-mail: user-h...@cassandra.apache.org >>
