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From Thibaut Britz <thibaut.br...@trendiction.com>
Subject Re: how stable is 1.0 these days?
Date Mon, 05 Mar 2012 16:14:12 GMT
Thanks for the feedback. I will certainly execute scrub after the update.


On Mon, Mar 5, 2012 at 11:55 AM, Viktor Jevdokimov <vjevdokimov@gmail.com>wrote:

> 1.0.7 is very stable, weeks in high-load production environment without
> any exception, 1.0.8 should be even more stable, check changes.txt for what
> was fixed.
>
>
> 2012/3/2 Marcus Eriksson <krummas@gmail.com>
>
>> beware of https://issues.apache.org/jira/browse/CASSANDRA-3820 though if
>> you have many keys per node
>>
>> other than that, yep, it seems solid
>>
>> /Marcus
>>
>>
>> On Wed, Feb 29, 2012 at 6:20 PM, Thibaut Britz <
>> thibaut.britz@trendiction.com> wrote:
>>
>>> 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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