| From: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com> |
|---|---|
| To: | Stephen Frost <sfrost(at)snowman(dot)net>, Joe Conway <mail(at)joeconway(dot)com> |
| Cc: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, Merlin Moncure <mmoncure(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Magnus Hagander <magnus(at)hagander(dot)net>, David Steele <david(at)pgmasters(dot)net>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Request: pg_cancel_backend variant that handles 'idle in transaction' sessions |
| Date: | 2015-11-04 22:07:47 |
| Message-ID: | 563A81B3.60108@commandprompt.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On 11/04/2015 01:55 PM, Stephen Frost wrote:
> * Joe Conway (mail(at)joeconway(dot)com) wrote:
>> On 11/04/2015 01:24 PM, Alvaro Herrera wrote:
>>> I agree with Pavel. Having a transaction timeout just does not make any
>>> sense. I can see absolutely no use for it. An idle-in-transaction
>>> timeout, on the other hand, is very useful.
>>
>> +1 -- agreed
>
> I'm not sure of that. I can certainly see a use for transaction
> timeouts- after all, they hold locks and can be very disruptive in the
> long run. Further, there are cases where a transaction is normally very
> fast and in a corner case it becomes extremely slow and disruptive to
> the rest of the system. In those cases, having a timeout for it is
> valuable.
Yeah but anything holding a lock that long can be terminated via
statement_timeout can it not?
JD
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