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From Taras Ledkov <tled...@gridgain.com>
Subject Re: Minor version changes and server/client compatibility
Date Mon, 10 Sep 2018 14:14:10 GMT
Dmitry, my short comment about maintains compatibilities.

Ignite should be maintains (according to review checklist [1]):

- binary compatibility for persistence store between minor releases;
- JDBC and ODBC and thin client protocol forward and backward 
compatibility  between two consecutive minor releases;

[1]. https://cwiki.apache.org/confluence/display/IGNITE/Review+Checklist

On 10.09.2018 16:29, Dmitriy Pavlov wrote:
> Hi David,
> Ignite does not maintain compatibility between different versions. It is
> not easy to do in a general case.
> But if you would like to hear about it from other users, you can also ask
> on the user list.
> Sincerely,
> Dmitriy Pavlov
> ср, 5 сент. 2018 г. в 18:18, David Harvey <syssoftsol@gmail.com>:
>> We have needed to do a couple of  simple bug fixes to ignite proper, where
>> there is no change to interfaces or internode communications.   When we do
>> this, we end up with these choices:
>>     - Coordinate client and server code bases so that they are in lock
>>     step.   Tedious with multiple clusters and test/dev versions.
>>     - Force the prior version number on the new builds, making it more
>>     tedious to understand what versions we are running.
>> A standard practice would to ignore the last field in the version when
>> doing a compatibility test, e.g., 2.5.0 and 2.5.foobar would be considered
>> compatible.    Is there some reason ignite requires and exact match?
>>   How do other Ignite users handle this problem?
>> Thanks,
>> -DH

Taras Ledkov
Mail-To: tledkov@gridgain.com

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