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From Thibaut Britz <thibaut.br...@trendiction.com>
Subject Re: how stable is 1.0 these days?
Date Wed, 29 Feb 2012 17:20:06 GMT
Thanks!

We will test it on our test cluster in the coming weeks and hopefully put
it into production on our 200 node main cluster. :)

Thibaut

On Wed, Feb 29, 2012 at 5:52 PM, Edward Capriolo <edlinuxguru@gmail.com>wrote:

> On Wed, Feb 29, 2012 at 10:35 AM, Thibaut Britz
> <thibaut.britz@trendiction.com> wrote:
> > Any more feedback on larger deployments of 1.0.*?
> >
> > We are eager to try out the new features in production, but don't want to
> > run into bugs as on former 0.7 and 0.8 versions.
> >
> > Thanks,
> > Thibaut
> >
> >
> >
> > On Tue, Jan 31, 2012 at 6:59 AM, Ben Coverston <
> ben.coverston@datastax.com>
> > wrote:
> >>
> >> I'm not sure what Carlo is referring to, but generally if you have done,
> >> thousands of migrations you can end up in a situation where the
> migrations
> >> take a long time to replay, and there are some race conditions that can
> be
> >> problematic in the case where there are thousands of migrations that may
> >> need to be replayed while a node is bootstrapped. If you get into this
> >> situation it can be fixed by copying migrations from a known good
> schema to
> >> the node that you are trying to bootstrap.
> >>
> >> Generally I would advise against frequent schema updates. Unlike rows in
> >> column families the schema itself is designed to be relatively static.
> >>
> >> On Mon, Jan 30, 2012 at 2:14 PM, Jim Newsham <jnewsham@referentia.com>
> >> wrote:
> >>>
> >>>
> >>> Could you also elaborate for creating/dropping column families?  We're
> >>> currently working on moving to 1.0 and using dynamically created
> tables, so
> >>> I'm very interested in what issues we might encounter.
> >>>
> >>> So far the only thing I've encountered (with 1.0.7 + hector 1.0-2) is
> >>> that dropping a cf may sometimes fail with UnavailableException.  I
> think
> >>> this happens when the cf is busy being compacted.  When I sleep/retry
> within
> >>> a loop it eventually succeeds.
> >>>
> >>> Thanks,
> >>> Jim
> >>>
> >>>
> >>> On 1/26/2012 7:32 AM, Pierre-Yves Ritschard wrote:
> >>>>
> >>>> Can you elaborate on the composite types instabilities ? is this
> >>>> specific to hector as the radim's posts suggests ?
> >>>> These one liner answers are quite stressful :)
> >>>>
> >>>> On Thu, Jan 26, 2012 at 1:28 PM, Carlo Pires<carlopires@gmail.com>
> >>>>  wrote:
> >>>>>
> >>>>> If you need to use composite types and create/drop column families
on
> >>>>> the
> >>>>> fly you must be prepared to instabilities.
> >>>>>
> >>>
> >>
> >>
> >>
> >> --
> >> Ben Coverston
> >> DataStax -- The Apache Cassandra Company
> >>
> >
>
> I would call 1.0.7 rock fricken solid. Incredibly stable. It has been
> that way since I updated to 0.8.8  really. TBs of data, billions of
> requests a day, and thanks to JAMM, memtable type auto-tuning, and
> other enhancements I rarely, if ever, find a node in a state where it
> requires a restart. My clusters are beast-ing.
>
> There always is bugs in software, but coming from a guy who ran
> cassandra 0.6.1.Administration on my Cassandra cluster is like a
> vacation now.
>

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