Re: max_standby_delay considered harmful

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Bruce Momjian <bruce(at)momjian(dot)us>
Cc: Robert Haas <robertmhaas(at)gmail(dot)com>, Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: max_standby_delay considered harmful
Date: 2010-05-06 00:36:37
Message-ID: 1997.1273106197@sss.pgh.pa.us
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Bruce Momjian <bruce(at)momjian(dot)us> writes:
> Robert Haas wrote:
>> The existing behavior is probably not optimal, but I'm not seeing what
>> benefit we get out of neutering it.

> We get to design it right, or maybe not need it at all in 9.1.

Yeah. The good thing about a boolean is that it covers the two
noncontroversial cases (no-wait and wait forever), and doesn't lock
us into supporting cases that we don't really know how to do well
yet.

regards, tom lane

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