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From Gurpreet Singh <gurpreet.si...@gmail.com>
Subject Re: nodetool repair
Date Wed, 22 Sep 2010 17:24:49 GMT
Is this also true for RackAware with alternating nodes from 2 datacenters on
the ring?

On Wed, Sep 22, 2010 at 7:28 AM, Jonathan Ellis <jbellis@gmail.com> wrote:

> if you're using RackUnawareStrategy that should work.
>
> On Wed, Sep 22, 2010 at 5:27 AM, Daniel Doubleday
> <daniel.doubleday@gmx.net> wrote:
> > Hi all,
> >
> > just wanted to make sure that I get this right:
> >
> > What this means is that I have to schedule repairs only on every RFs
> node?
> >
> > So with 4 nodes and RF=2 I would repair nodes 1 and 3
> >
> > and with 6 nodes and RF=3 I would repair nodes 1 and 4
> >
> > and that would lead to a synched cluster?
> >
> > On Thu, Jul 15, 2010 at 1:54 PM, B. Todd Burruss <bburr...@real.com>
> wrote:
> >> if i have N=3 and run nodetool repair on node X.  i assume that merkle
> >> trees (at a minimum) are calculated on nodes X, X+1, and X+2 (since
> >> N=3).  when the repair is finished are nodes X, X+1, and X+2 all in sync
> >> with respect to node X's data?
> >
> > yes.
> >
> > --
> > Jonathan Ellis
> > Project Chair, Apache Cassandra
> > co-founder of Riptano, the source for professional Cassandra support
> > http://riptano.com
> >
> >
>
>
>
> --
> Jonathan Ellis
> Project Chair, Apache Cassandra
> co-founder of Riptano, the source for professional Cassandra support
> http://riptano.com
>

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