| From: | Andres Freund <andres(at)2ndquadrant(dot)com> |
|---|---|
| To: | pgsql-hackers(at)postgresql(dot)org |
| Cc: | Peter Geoghegan <peter(at)2ndquadrant(dot)com>, hlinnakangas(at)vmware(dot)com |
| Subject: | First draft of snapshot snapshot building design document |
| Date: | 2012-10-16 11:30:37 |
| Message-ID: | 201210161330.37967.andres@2ndquadrant.com |
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| Thread: | |
| Lists: | pgsql-hackers |
Hi All,
On Thursday, October 11, 2012 01:02:26 AM Peter Geoghegan wrote:
> The design document [2] really just explains the problem (which is the
> need for catalog metadata at a point in time to make sense of heap
> tuples), without describing the solution that this patch offers with
> any degree of detail. Rather, [2] says "How we build snapshots is
> somewhat intricate and complicated and seems to be out of scope for
> this document", which is unsatisfactory. I look forward to reading the
> promised document that describes this mechanism in more detail.
Here's the first version of the promised document. I hope it answers most of
the questions.
Input welcome!
Greetings,
Andres
--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
| Attachment | Content-Type | Size |
|---|---|---|
| README.SNAPBUILD.txt | text/plain | 13.9 KB |
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