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From Anthony Molinaro <antho...@alumni.caltech.edu>
Subject Re: Tuning and upgrades
Date Thu, 14 Jan 2010 00:19:36 GMT
Also, I notice in 0.5.0 cassandra.in.sh you have

 -XX:SurvivorRatio=8 \

then further down in the file

  -XX:SurvivorRatio=128 \

Does the second end up winning?  Or is there some magic here.

-Anthony

On Wed, Jan 13, 2010 at 04:02:48PM -0800, Anthony Molinaro wrote:
> So the answer is java handles it fine.  However, I unfortunately wasn't
> able to do a rolling restart, for whatever reason the first node caused
> all the other nodes to start throwing exceptions, so I had to take
> everything down for a little bit.  However, 0.4.2 seems to start faster
> than 0.4.1, so that was cool.
> 
> So is the thrift interface for 0.5.0 compatible with that of 0.4.x or
> do I need to upgrade clients for that upgrade?
> 
> -Anthony
> 
> On Wed, Jan 13, 2010 at 04:27:32PM -0600, Jonathan Ellis wrote:
> > On Wed, Jan 13, 2010 at 4:19 PM, Anthony Molinaro
> > <anthonym@alumni.caltech.edu> wrote:
> > > Hi Jonathon,
> > >
> > >  Thanks for all the information.
> > >
> > >  I just noticed one difference in the .thrift file between 0.4.1 and
> > > 0.4.2, the call to get_slice had an exception removed.  Does this
> > > mean I have to have all my clients rebuilt?  (I'm not excactly sure
> > > of what sorts of things are backwards compatible with thrift).
> > 
> > Not 100% sure -- python will be fine with it, that is the one I am
> > most familiar with.  Not sure about other clients.  Should be easy to
> > test.
> > 
> > -Jonathan
> 
> -- 
> ------------------------------------------------------------------------
> Anthony Molinaro                           <anthonym@alumni.caltech.edu>

-- 
------------------------------------------------------------------------
Anthony Molinaro                           <anthonym@alumni.caltech.edu>

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