Re: [HACKERS] The pgreplication project

On 6/8/2004 9:58 AM, darren@up.hrcoxmail.com wrote:

>> I guess I have to address a slightly broader audience, or do I conclude
>> from the total lack of interest in this matter that nobody cares if we
>> promote something here as one of our "top five" flagship projects, that
>> is inactive for years and still a prototype implementation against
>> PostgreSQL 6.4 with no ideas how to incorporate the semantic changes of
>> MVCC into the concept.
>
>
> Jan,
>
> Perhaps you should contact the project admin or at least
> posting to the project mailing list, before assuming the
> project is dead.  Admittedly there has been several
> delays and periods of inactivity, but declaring a
> project dead without investigating is quite
> inappropriate.

I apologize and admit that it should have been posted to the project
mailing list.

>
> I agree the project should not be in the top 5 on
> gborg, but it is not dead!  There is a 7.2 port
> of the original 6.4 prototype, along with failover
> and recovery patches.  There is a plan to produce
> a full mulit-master replication solution, but I don't
> currently have the time  to commit to the project.  If
> there is interest in this type of solution, I'd be
> happy to assist in the development.

Do those plans include fixing the problems arising from the complete
reversal of lock priorities with aborting previous lock holders? I have
stated before and do it again that this part of the Postgres-R logic is
assuming a more or less lock conflict free application design, which is
in practice seldom (if ever) found.

>
> I've known you for a while, and have a great
> deal of respect for you, but I would have
> expected some kind of communication with me
> before this.

I fully return the same respect to you. I was not aware that you are
still feeling "in charge" of this project.


Sincerely,
Jan

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