> Even more if we could automate some up-scale thanks to AWS alarms, It would > be awesome. I saw a demo for Priam (https://github.com/Netflix/Priam) doing that at netflix in March, not sure if it's public yet.
> Are the vnodes feature and the tokens =>vnodes transition safe enough to go > live with vnodes ? There have been some issues, search the user list for shuffle and as always test. > Any advice about vnodes ? They are in use out there. It's a sizable change so it would be good idea to build a test system for running shuffle and testing your application. There have been some issues with repair and range scans (including hadoop integration.) Cheers ----------------- Aaron Morton Freelance Cassandra Consultant New Zealand @aaronmorton http://www.thelastpickle.com On 18/06/2013, at 7:04 PM, Alain RODRIGUEZ <arodr...@gmail.com> wrote: > Any insights on vnodes, one month after my original post ? > > > 2013/5/16 Alain RODRIGUEZ <arodr...@gmail.com> > Hi, > > 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 ? >
