+1 for revising set ops to bootstrap by default. Document the behavior
change in release notes along with property to revert to old behavior.

--
Mike Stolz
Principal Engineer, GemFire Product Manager
Mobile: +1-631-835-4771

On Fri, Aug 25, 2017 at 6:41 PM, Anilkumar Gingade <aging...@pivotal.io>
wrote:

> +1 Having a consistent behavior for set operation within the transaction
> (wherever its invoked). And having a gemfire property to allow old way.
>
> On Fri, Aug 25, 2017 at 2:49 PM, Eric Shu <e...@pivotal.io> wrote:
>
> > Hi Team,
> >
> > Currently in GEODE JTA implementation, if GEODE transaction is not yet
> > bootstrapped (there is no TXState created yet for the transaction),
> region
> > set operations will not bootstrap the JTA transaction. In other word, if
> > the first operation of the JTA transaction is region set operation, the
> set
> > is not in a transactional view (TXState). However, if the JTA
> > UserTransaction has been bootstrapped (first operation is a get or put
> > operation, etc), the following region set operation is transactional (in
> > TXState). To some users, this seems to be a bug. Please see the GEODE
> > ticket (https://issues.apache.org/jira/browse/GEODE-3521).
> >
> > Although we intentionally implemented this way to alleviate the memory
> > requirements for users (each transaction will have a new copy of region
> > data put into TXState but not if the set op is the first op), we think
> the
> > new user has a valid point as well. We propose to allow region set op to
> > bootstrap the transaction. To allow backward compatibility, we will
> > introduce a new GemFire property to allow the old behavior.
> >
> > The question is what should be a default behavior. Do we allow region set
> > op to bootstrap transaction as default? If so, existing customers need to
> > set the new property to get the old behavior. Or we maintain the old
> > behavior, and require the new users to set the property.
> >
> > Please comment if you have any suggestions.
> >
> > Thanks,
> > Eric
> >
>

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