Added to TODO:
* Add idle_timeout GUC so locks are not held for log periods of time
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Tom Lane wrote:
> "Joshua D. Drake" <jd@commandprompt.com> writes:
> > Russell Smith wrote:
> >> I agree with this, it reduces the long running transaction problem a
> >> little where the user forgot to commit/rollback their session. I may be
> >> worth having a transaction_timeout as well, and setting it to link a few
> >> hours by default. That way you can't have really long running
> >> transactions unless you specifically set that.
>
> > We would certainly need to be able to disable on the fly too just with
> > SET as well.
>
> AFAICS, a *transaction* timeout per se has no use whatever except as a
> foot-gun. How will you feel when you start a 12-hour restore, go home
> for the evening, and come back in the morning to find it aborted because
> you forgot to disable your 4-hour timeout?
>
> Furthermore, if you have to set transaction_timeout to multiple hours
> in the (vain) hope of not killing something important, what use is it
> really? If you want to keep VACUUM able to work in a busy database,
> you need it to be a lot less than that.
>
> An *idle* timeout seems less risky, as well as much easier to pick a
> sane value for.
>
> regards, tom lane
>
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http://www.enterprisedb.com
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