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From Jonathan Ellis <jbel...@gmail.com>
Subject Re: Tuning and upgrades
Date Thu, 14 Jan 2010 02:59:01 GMT
Good question. :)

On Wed, Jan 13, 2010 at 6:19 PM, Anthony Molinaro
<anthonym@alumni.caltech.edu> wrote:
> 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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