| From: | "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov> |
|---|---|
| To: | <jd(at)commandprompt(dot)com> |
| Cc: | "Simon Riggs" <simon(at)2ndquadrant(dot)com>, "Gregory Stark" <stark(at)enterprisedb(dot)com>, "Guillaume Smet" <guillaume(dot)smet(at)gmail(dot)com>, "Merlin Moncure" <mmoncure(at)gmail(dot)com>, "Dave Page" <dpage(at)pgadmin(dot)org>, "pgsql-hackers" <pgsql-hackers(at)postgresql(dot)org>, "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Subject: | Re: Recovery Test Framework |
| Date: | 2009-01-12 21:32:35 |
| Message-ID: | 496B6292.EE98.0025.0@wicourts.gov |
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| Lists: | pgsql-hackers |
>>> "Joshua D. Drake" <jd(at)commandprompt(dot)com> wrote:
> Who has integrated multi-master (transaction and power outage safe)
> replication now?
As far as I recall, nobody there was that specific about the form of
it. PostgreSQL arguably has non-integrated multi-master replication
now, and I've seen log-based implementations which operated through
daily dial-up connectivity as far back as 1984. (Statewide in Alaska,
and city-wide in New York City, neither of which could afford to keep
full-time communications up for all the relevant sites.)
I did point out the options mentioned here for PostgreSQL:
http://en.wikipedia.org/wiki/Multi-master_replication
-Kevin
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