Re: Sync Rep: First Thoughts on Code - Mailing list pgsql-hackers

From Markus Wanner
Subject Re: Sync Rep: First Thoughts on Code
Date
Msg-id 494D7CEB.9050103@bluegap.ch
Whole thread Raw
In response to Re: Sync Rep: First Thoughts on Code  (Mark Mielke <mark@mark.mielke.cc>)
List pgsql-hackers
Hi,

Mark Mielke wrote:
> Good answers, Markus. Thanks.

You are welcome.

> So it looks like there is value to both ends of the spectrum, and while
> I feel the most value would be in providing a very fast system that
> scales near linear to the number of nodes in the system, even at the
> expense of immediately visible transactions from all servers, I can
> accept that sometimes the expectations are stricter and would appreciate
> seeing an option to let me choose based upon my requirements.

I absolutely agree to that. The original Postgres-R algorithm covers the
eager (or virtually synchronous) part. I'm planning to extend it with a
(fully) synchronous mode and let the user choose per transaction.

Regards

Markus Wanner



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