Heikki Linnakangas <heikki(at)enterprisedb(dot)com> writes:
> Tom Lane wrote:
>> What sort of "wait for finish" mechanism do you have in mind?

> I was thinking of XactLockTableWait.

Ugh.  I don't think the bgwriter can participate in heavyweight-lockmgr
operations, or should become able to.

Nor will that work for prepared xacts --- you don't want to wait for the
eventual commit, only for PREPARE TRANSACTION to exit its critical
section.

			regards, tom lane

In response to

• Re: CheckpointStartLock starvation at 2007-04-02 20:50:49 from Heikki Linnakangas

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• Re: CheckpointStartLock starvation at 2007-04-03 08:56:00 from Heikki Linnakangas

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