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From Brian Spindler <brian.spind...@gmail.com>
Subject Re: upgrading from 2.x TWCS to 3.x TWCS
Date Fri, 02 Nov 2018 18:49:52 GMT
Nevermind, I spoke to quickly.  I can change the cass version in the
pom.xml and re compile, thanks!

On Fri, Nov 2, 2018 at 2:38 PM Brian Spindler <brian.spindler@gmail.com>
wrote:

> [image: image.png]
>
>
> On Fri, Nov 2, 2018 at 2:34 PM Jeff Jirsa <jjirsa@gmail.com> wrote:
>
>> Easiest approach is to build the 3.11 jar from my repo, upgrade, then
>> ALTER table to use the official TWCS (org.apache.cassandra) jar
>>
>> Sorry for the headache. I hope I have a 3.11 branch for you.
>>
>>
>> --
>> Jeff Jirsa
>>
>>
>> On Nov 2, 2018, at 11:28 AM, Brian Spindler <brian.spindler@gmail.com>
>> wrote:
>>
>> Hi all, we're planning an upgrade from 2.1.5->3.11.3 and currently we
>> have several column families configured with twcs class
>> 'com.jeffjirsa.cassandra.db.compaction.TimeWindowCompactionStrategy' and
>> with 3.11.3 we need to set it to 'TimeWindowCompactionStrategy'
>>
>> Is that a safe operation?  Will cassandra even start if the column family
>> has a compaction strategy defined with a classname it cannot resolve?
>> How to deal with different versioned nodes and different class names
>> during the upgrade of the binaries throughout the cluster?
>>
>> Thank you for any guidance,
>> Brian
>>
>>

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