Re: what is DCQUORUM

2010-05-12 Thread vd
Thanks Eben On Wed, May 12, 2010 at 7:33 PM, Eben Hewitt wrote: > QUORUM is a high consistency level. It refers to the number of nodes that > have to acknowledge read or write operations in order to be assured that > Cassandra is in a consistent state. It uses / 2 + 1. > > DCQUORUM means "Data

Re: what is DCQUORUM

2010-05-12 Thread Eben Hewitt
QUORUM is a high consistency level. It refers to the number of nodes that have to acknowledge read or write operations in order to be assured that Cassandra is in a consistent state. It uses / 2 + 1. DCQUORUM means "Data Center Quorum", and balances consistency with performance. It puts multiple

what is DCQUORUM

2010-05-12 Thread vd
Hi I have read about QUORUM but lately came across DCQUORUM. What is it and whats the difference between the two ?