| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Greg Smith <greg(at)2ndquadrant(dot)com>, Josh Kupershmidt <schmiddy(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Patch to allow users to kill their own queries |
| Date: | 2011-12-18 13:50:14 |
| Message-ID: | CA+TgmoZDSgkLsECtb5r5MVePQQu9irjQciw0xTa+QJ=2RCen=Q@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Sat, Dec 17, 2011 at 11:58 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)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
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