Sent: Tue, June 14, 2011 8:59:41 PM
Subject: Re: Multi data center configuration - A question on read correction
That's just read repair sending MD5s of the data for comparison. So
net traffic is light.
You can turn off RR but the downsides can be large. Turning it down
to say 10% can
Thanks Jonathan. Can we turn off RR by READ_REPAIR_CHANCE.= 0. Please advice.
Selva
From: Jonathan Ellis jbel...@gmail.com
To: user@cassandra.apache.org
Sent: Tue, June 14, 2011 8:59:41 PM
Subject: Re: Multi data center configuration - A question on read
I have setup a multiple data center configuration in Cassandra. My primary
intention is to minimize the network traffic between DC1 and DC2. Want DC1 read
requests be served with out reaching DC2 nodes. After going through
documentation, i felt following setup would do.
Replica Placement
That's just read repair sending MD5s of the data for comparison. So
net traffic is light.
You can turn off RR but the downsides can be large. Turning it down
to say 10% can be reasonable tho.
But again, if network traffic is your concern you should be fine.
On Tue, Jun 14, 2011 at 8:44 PM,
