Re: backing up and restoring from only 1 replica?

2013-03-05 Thread aaron morton
Hinted Handoff works well. But it's an optimisation that has certain safety valves, configuration and throttling that means it is still not considered the way to ensure on disk consistency. In general, if a node restarts or drops mutations HH should get the message there eventually. In

Re: backing up and restoring from only 1 replica?

2013-03-04 Thread aaron morton
That would be OK only if you never had node go down (e.g. a restart) or drop messages. It's not something I would consider trying. Cheers - Aaron Morton Freelance Cassandra Developer New Zealand @aaronmorton http://www.thelastpickle.com On 28/02/2013, at 3:21 PM, Mike Koh

Re: backing up and restoring from only 1 replica?

2013-03-04 Thread Mike Koh
Thanks for the response. Could you elaborate more on the bad things that happen during a restart or message drops that would cause a 1 replica restore to fail? I'm completely on board with not using a restore process that nobody else uses, but I need to convince somebody else who thinks that