Robert Haas escribió: > On Thu, Nov 28, 2013 at 10:10 AM, Alvaro Herrera > <alvhe...@2ndquadrant.com> wrote: > > Robert Haas escribió: > >> On Wed, Nov 6, 2013 at 9:40 AM, Alvaro Herrera <alvhe...@2ndquadrant.com> > >> wrote: > >> > Noah Misch wrote: > >> >> Incomplete list: > >> >> > >> >> - If smgrDoPendingDeletes() finds files to delete, mdunlink() and its > >> >> callee > >> >> relpathbackend() call palloc(); this is true in all supported > >> >> branches. In > >> >> 9.3, due to commit 279628a0, smgrDoPendingDeletes() itself calls > >> >> palloc(). > >> >> (In fact, it does so even when the pending list is empty -- this is > >> >> the only > >> >> palloc() during a trivial transaction commit.) palloc() failure there > >> >> yields a PANIC during commit. > >> > > >> > I think we should fix this routine to avoid the palloc when not > >> > necessary. > >> > That initial palloc is pointless. > > > > Here's a trivial patch we could apply to 9.3 immediately. Anything else > > such as the ideas proposed below would require more effort than anyone > > can probably spend here soon. > > Yeah, this seems like a good thing to do for now.
Pushed, thanks. -- Álvaro Herrera http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
