Re: Patch to allow users to kill their own queries
Robert Haas <robertmhaas@gmail.com>
From: Robert Haas <robertmhaas@gmail.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Greg Smith <greg@2ndquadrant.com>, Josh Kupershmidt <schmiddy@gmail.com>, pgsql-hackers@postgresql.org
Date: 2011-12-18T13:50:14Z
Lists: pgsql-hackers
On Sat, Dec 17, 2011 at 11:58 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote: > I think this argument is bogus: if this is a real issue, then no use of > kill() anytime, by anyone, is safe. In practice I believe that Unix > systems avoid recycling PIDs right away so as to offer some protection. I'm not sure they do anything more sophisticated than cycling through a sufficiently-large PID space, but whether it's that or something else, I guess it must be adequate or they'd have enlarged the space... -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company