On Fri, Mar 16, 2012 at 8:14 AM, Daniel Farina <dan...@heroku.com> wrote: > Parallel to pg_cancel_backend, it'd be nice to allow the user to just > outright kill a backend that they own (politely, with a SIGTERM), > aborting any transactions in progress, including the idle transaction, > and closing the socket.
+1 > I imagine the problem is a race condition whereby a pid might be > reused by another process owned by another user (doesn't that also > affect pg_cancel_backend?). Yes, but I think it's too unlikely to happen. Not sure if we really should worry about that. > Shall we just do everything using the > MyCancelKey (which I think could just be called "SessionKey", > "SessionSecret", or even just "Session") as to ensure we have no case > of mistaken identity? Or does that end up being problematic? What if pid is unfortunately reused after passing the test of MyCancelKey and before sending the signal? Regards, -- Fujii Masao NIPPON TELEGRAPH AND TELEPHONE CORPORATION NTT Open Source Software Center -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
