On a related note - assuming there are available resources across the board (cpu and memory on every node, low network latency, non-saturated nics/circuits/disks), what's a reasonable expectation for timing on replication? Sub-second? Less than five seconds?
Ernie On Wed, Nov 16, 2011 at 4:00 PM, Brian Fleming <bigbrianflem...@gmail.com>wrote: > Great - thanks Jake > > B. > > On Wed, Nov 16, 2011 at 8:40 PM, Jake Luciani <jak...@gmail.com> wrote: > >> the former >> >> >> On Wed, Nov 16, 2011 at 3:33 PM, Brian Fleming <bigbrianflem...@gmail.com >> > wrote: >> >>> >>> Hi All, >>> >>> I have a question about inter-data centre replication : if you have 2 >>> Data Centers, each with a local RF of 2 (i.e. total RF of 4) and write to a >>> node in DC1, how efficient is the replication to DC2 - i.e. is that data : >>> - replicated over to a single node in DC2 once and internally replicated >>> or >>> - replicated explicitly to two separate nodes? >>> >>> Obviously from a LAN resource utilisation perspective, the former would >>> be preferable. >>> >>> Many thanks, >>> >>> Brian >>> >>> >> >> >> -- >> http://twitter.com/tjake >> > >
