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From Robert Coli <>
Subject Re: On 0.6.6 to 0.7.3 migration, DC-aware traffic and minimising data transfer
Date Mon, 14 Mar 2011 16:46:29 GMT
On Mon, Mar 14, 2011 at 8:39 AM, Jedd Rashbrooke <> wrote:
>  But more importantly for us it would mean we'd have just the
>  one major outage, rather than two (relocation and 0.6 -> 0.7)

Take zero major outages instead? :D

a) Set up new cluster on new version.
b) Fork application writes, so all writes go to both clusters.
c) Backfill old data to new cluster via API writes.
d) Flip the switch to read from the new cluster.
e) Turn off old cluster.


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