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From Alain RODRIGUEZ <>
Subject vnodes ready for production ?
Date Thu, 16 May 2013 12:44:30 GMT

Adding vnodes is a big improvement to Cassandra, specifically because we
have a fluctuating load on our Cassandra depending on the week, and it is
quite annoying to add some nodes for one week or two, move tokens and then
having to remove them and then move tokens again. Even more if we could
automate some up-scale thanks to AWS alarms, It would be awesome.

We don't use vnodes yet because Opscenter did not support this feature and
because we need to have a reliable production. Now Opscenter handles vnodes.

Are the vnodes feature and the tokens =>vnodes transition safe enough to go
live with vnodes ?

What would be the transition process ?

Does someone auto-scale his Cassandra cluster ?

Any advice about vnodes ?

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