Thanks. I left some comments.

LeveledCompaction: Have you checked if there where major changes in the
LeveledStrategy between 2.x and 3.x?

2016-11-30 21:04 GMT+01:00 Harikrishnan Pillai <hpil...@walmartlabs.com>:

> https://issues.apache.org/jira/browse/CASSANDRA-12728
>
> [CASSANDRA-12728] Handling partially written hint files ...
> <https://issues.apache.org/jira/browse/CASSANDRA-12728>
> issues.apache.org
> Cassandra; CASSANDRA-12728; Handling partially written hint files. Agile
> Board; Awaiting Feedback; Export
> https://issues.apache.org/jira/browse/CASSANDRA-12844
>
>
> Also when i testes some of our write heavy workload Leveled Compaction was
> not keeping up.With same system settings 2.1.16 performs better and all
> levels was properly aligned.
> ------------------------------
> *From:* Benjamin Roth <benjamin.r...@jaumo.com>
> *Sent:* Tuesday, November 29, 2016 11:20:19 PM
> *To:* user@cassandra.apache.org
> *Subject:* Re: Which version is stable enough for production environment?
>
> What are the compaction issues / hint corruprions you encountered? Are
> there JIRA tickets for it?
> I am curios cause I use 3.10 (trunk) in production.
>
> For anyone who is planning to use MVs:
> They basically work. We use them in production since some months, BUT
> (it's a quite big one) maintainance is a pain. Bootstrapping and repairs
> may be - depending on the model, config, amount of data - really, really
> painful. I'm currently investigating intensively.
>
> 2016-11-30 3:11 GMT+01:00 Harikrishnan Pillai <hpil...@walmartlabs.com>:
>
>> 3.0 has "off the heap memtable" impl removed and if you have a
>> requirement for this,its not available.If you don't have the requirement
>> 3.0.9 can be tried out. 3.9 version we did some testing and find lot issues
>> in compaction,hint corruption etc.
>>
>> Regards
>>
>> Hari
>>
>>
>> ------------------------------
>> *From:* Discovery <wl_...@qq.com>
>> *Sent:* Tuesday, November 29, 2016 5:59 PM
>> *To:* user
>> *Subject:* Re: Which version is stable enough for production environment?
>>
>> Why version 3.x is not recommended?  Thanks.
>>
>>
>> ------------------ Original ------------------
>> *From: * "Harikrishnan Pillai";<hpil...@walmartlabs.com>;
>> *Date: * Wed, Nov 30, 2016 09:57 AM
>> *To: * "user"<user@cassandra.apache.org>;
>> *Subject: * Re: Which version is stable enough for production
>> environment?
>>
>> Cassandra 2.1.16
>>
>>
>> ------------------------------
>> *From:* Discovery <wl_...@qq.com>
>> *Sent:* Tuesday, November 29, 2016 5:42 PM
>> *To:* user
>> *Subject:* Which version is stable enough for production environment?
>>
>> Hi Cassandra Experts,
>>
>>                   We prepare to deploy Cassandra in production env, but
>> we can not confirm which version is stable and recommended, could someone
>> in this mail list give the suggestion? Thanks in advance!
>>
>>
>> Best Regards
>> Discovery
>> 11/30/2016
>>
>
>
>
> --
> Benjamin Roth
> Prokurist
>
> Jaumo GmbH · www.jaumo.com
> Wehrstraße 46 · 73035 Göppingen · Germany
> Phone +49 7161 304880-6 <07161%203048806> · Fax +49 7161 304880-1
> <07161%203048801>
> AG Ulm · HRB 731058 · Managing Director: Jens Kammerer
>



-- 
Benjamin Roth
Prokurist

Jaumo GmbH · www.jaumo.com
Wehrstraße 46 · 73035 Göppingen · Germany
Phone +49 7161 304880-6 · Fax +49 7161 304880-1
AG Ulm · HRB 731058 · Managing Director: Jens Kammerer

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