Re: Re: [COMMITTERS] pgsql: Tune GetSnapshotData() during Hot Standby by avoiding loop - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Re: [COMMITTERS] pgsql: Tune GetSnapshotData() during Hot Standby by avoiding loop
Date
Msg-id 13439.1271687068@sss.pgh.pa.us
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In response to Re: Re: [COMMITTERS] pgsql: Tune GetSnapshotData() during Hot Standby by avoiding loop  (Robert Haas <robertmhaas@gmail.com>)
Responses Re: Re: [COMMITTERS] pgsql: Tune GetSnapshotData() during Hot Standby by avoiding loop  (Simon Riggs <simon@2ndQuadrant.com>)
List pgsql-hackers
Robert Haas <robertmhaas@gmail.com> writes:
> On Mon, Apr 19, 2010 at 5:05 AM, Simon Riggs <simon@2ndquadrant.com> wrote:
>> It doesn't seem to be something we should place highly on the list of
>> events we need protection from, does it?

> Since when do we not protect against race-conditions just because
> they're low likelihood?

Murphy's law says that the probability of any race condition happening
in the field is orders of magnitude higher than you think.  This has
been proven true many times ...
        regards, tom lane


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