| From: | Noah Misch <noah(at)leadboat(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, Magnus Hagander <magnus(at)hagander(dot)net>, Vladimir Sitnikov <sitnikov(dot)vladimir(at)gmail(dot)com>, Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Query cancel seems to be broken in master since Oct 17 |
| Date: | 2016-10-20 03:01:16 |
| Message-ID: | 20161020030116.GA796116@tornado.leadboat.com |
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| Thread: | |
| Lists: | pgsql-hackers |
On Tue, Oct 18, 2016 at 10:03:39AM -0400, Tom Lane wrote:
> Heikki Linnakangas <hlinnaka(at)iki(dot)fi> writes:
> > On 10/18/2016 04:13 PM, Tom Lane wrote:
> >> There's a smoking gun in the postmaster log:
> >> 2016-10-18 09:10:34.547 EDT [18502] LOG: wrong key in cancel request for process 18491
>
> > Ok, I've reverted that commit for now. It clearly needs more thought,
> > because of this, and the pademelon failure discussed on the other thread.
>
> I think that was an overreaction. The problem is pretty obvious after
> adding some instrumentation:
I endorse Heikki's revert.
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