On 31 Dec 2008, at 13:21, Simon Riggs <simon@2ndQuadrant.com> wrote:
>
> Both of these bugs are minor, but the effect of either/both of them is
> to cause more AccessExclusiveLocks than we might expect.
>
> For Hot Standby this means that many VACUUMs take AccessExclusiveLocks
> on relations, which would potentially lead to having queries cancelled
> for no reason at all.
Well by default it would just cause wal to pause briefly until the
queries with those locks finish, no?