Re: BUG #15182: Canceling authentication due to timeout aka Denialof Service Attack - Mailing list pgsql-hackers

From Michael Paquier
Subject Re: BUG #15182: Canceling authentication due to timeout aka Denialof Service Attack
Date
Msg-id 20180724052540.GC4736@paquier.xyz
Whole thread Raw
In response to Re: BUG #15182: Canceling authentication due to timeout aka Denialof Service Attack  (Michael Paquier <michael@paquier.xyz>)
List pgsql-hackers
On Tue, Jul 24, 2018 at 02:23:02PM +0900, Michael Paquier wrote:
> Well, letting any users take an exclusive lock on system catalogs at
> will is not acceptable either, so two possible answers would be to fail
> or skip such relations.  The first concept applies if a relation list is
> given by the user, and the second if no list is given.

The first sentence is incorrect.  That's actually "letting any users
attempt to take an exclusive lock which makes others to be stuck as
well".
--
Michael

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