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Re: is sync rep stalled?

From: "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov>
To: "Heikki Linnakangas" <heikki(dot)linnakangas(at)enterprisedb(dot)com>
Cc: "Fujii Masao" <masao(dot)fujii(at)gmail(dot)com>, "Robert Haas" <robertmhaas(at)gmail(dot)com>, "Aidan Van Dyk" <aidan(at)highrise(dot)ca>, <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: is sync rep stalled?
Date: 2010-09-30 14:27:51
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Lists: pgsql-hackers
Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com> wrote:
> You do realize that to be able to guarantee zero data loss, the
> master will have to stop committing new transactions if the
> streaming stops for any reason, like a network glitch. Maybe
> that's a tradeoff you want, but I'm asking because that point
> isn't clear to many people.
Yeah, I get that.  I do think the quorum approach or some simplified
special case of it would be important for us -- possibly even a
requirement -- for that reason.

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