Re: Key-hash based node selection

2013-01-19 Thread Edward Capriolo
You can not be /mostly/ consistent readlike you can not be half-pregnant or half transactional. You either are or you are not. If you do not have enough nodes for a QUORUM the read fails. Thus you never get stale reads you only get failed reads. The dynamic snitch makes reads sticky at READ.ONE.

Re: Key-hash based node selection

2013-01-18 Thread Timothy Denike
Hi Folks, I'm trying to wrap my brain around how one would configure a Cassandra cluster to support consistent reads in various cluster failure states. (IE: Reads must see the most recent write.) Gracefully handling a single node failure seems easy enough. Use QUORUM (RF/2+1) for reads and