Re: Query cancel seems to be broken in master since Oct 17 - Mailing list pgsql-hackers

From Noah Misch
Subject Re: Query cancel seems to be broken in master since Oct 17
Date
Msg-id 20161020030116.GA796116@tornado.leadboat.com
Whole thread Raw
In response to Re: Query cancel seems to be broken in master since Oct 17  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
On Tue, Oct 18, 2016 at 10:03:39AM -0400, Tom Lane wrote:
> Heikki Linnakangas <hlinnaka@iki.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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