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From aaron morton <aa...@thelastpickle.com>
Subject Re: downgrade from 1.1.4 to 1.0.X
Date Wed, 26 Sep 2012 01:44:19 GMT
No. 
Versions are capable of reading previous file formats, but can only create files in the current
format. 


File formats are listed here https://github.com/apache/cassandra/blob/trunk/src/java/org/apache/cassandra/io/sstable/Descriptor.java#L52

> Looking for a way to make this work.
I'd suggest contacting DS either through their support forums or directly via email. 

Cheers


-----------------
Aaron Morton
Freelance Developer
@aaronmorton
http://www.thelastpickle.com

On 25/09/2012, at 12:53 AM, Arend-Jan Wijtzes <ajwytzes@wise-guys.nl> wrote:

> On Thu, Sep 20, 2012 at 10:13:49AM +1200, aaron morton wrote:
>> No. 
>> They use different minor file versions which are not backwards compatible. 
> 
> Thanks Aaron.
> 
> Is upgradesstables capable of downgrading the files to 1.0.8?
> Looking for a way to make this work.
> 
> Regards,
> Arend-Jan
> 
> 
>> On 18/09/2012, at 11:18 PM, Arend-Jan Wijtzes <ajwytzes@wise-guys.nl> wrote:
>> 
>>> Hi,
>>> 
>>> We are running Cassandra 1.1.4 and like to experiment with
>>> Datastax Enterprise which uses 1.0.8. Can we safely downgrade
>>> a production cluster or is it incompatible? Any special steps
>>> involved?
> 
> -- 
> Arend-Jan Wijtzes -- Wiseguys -- www.wise-guys.nl


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