Re: [HACKERS] POSIX shared memory redux

2011-04-13 Thread A . M .
On Apr 13, 2011, at 2:06 AM, Tom Lane wrote: > "A.M." writes: >> On Apr 11, 2011, at 7:13 PM, Tom Lane wrote: >>> Robert Haas writes: I mean I'm not convinced that fcntl() locking will be as reliable. > >>> I'm not either. Particularly not on NFS. > >> Is there an example of a recent sy

[HACKERS] POSIX shared memory redux

2010-11-13 Thread A . M .
The goal of this work is to address all of the shortcomings of previous POSIX shared memory patches as pointed out mostly by Tom Lane. Branch: http://git.postgresql.org/gitweb?p=users/agentm/postgresql.git;a=shortlog;h=refs/heads/posix_shmem Main file: http://git.postgresql.org/gitweb?p=users/a

Re: [HACKERS] Listen / Notify rewrite

2009-11-11 Thread A . M .
On Nov 11, 2009, at 9:28 PM, Merlin Moncure wrote: On Wed, Nov 11, 2009 at 5:48 PM, A.M. wrote: At least with this new payload, I can set the payload to the transaction ID and be certain that all the notifications I sent are processed (and in order even!) but could you explain why the co