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From Jonas Borgström <jo...@borgstrom.se>
Subject Re: Moving to a new cluster
Date Thu, 22 Sep 2011 08:52:21 GMT
On 09/22/2011 01:25 AM, aaron morton wrote:
*snip*
> When you start a repair it will repair will the other nodes it
> replicates data with. So you only need to run it every RF nodes. Start
> it one one, watch the logs to see who it talks to and then start it on
> the first node it does not talk to. And so on. 

Is this new in 0.8 or has it always been this way?

From
http://wiki.apache.org/cassandra/Operations#Frequency_of_nodetool_repair

"""
Unless your application performs no deletes, it is vital that production
clusters run nodetool repair periodically on all nodes in the cluster.
"""

So for a 3 node cluster using RF=3, is it sufficient to run "nodetool
repair" on one node?

/ Jonas

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