Re: [HACKERS] /proc/self/oom_adj is deprecated in newer Linux kernels

2014-07-02 Thread Jonathan Corbet
On Tue, 1 Jul 2014 15:57:25 -0400 Robert Haas robertmh...@gmail.com wrote: Of course, we have no guarantee that the Linux kernel guys won't change this again. Apparently we don't break userspace is a somewhat selectively-enforced principle. It's selectively enforced in that kernel developers

Re: [HACKERS] [Lsf-pc] Linux kernel impact on PostgreSQL performance

2014-01-14 Thread Jonathan Corbet
On Wed, 15 Jan 2014 09:23:52 +1100 Dave Chinner da...@fromorbit.com wrote: It appears to me that we are seeing large memory machines much more commonly in data centers - a couple of years ago 256GB RAM was only seen in supercomputers. Hence machines of this size are moving from tweaking

[HACKERS] Fw: LSF/MM 2014 Call For Proposals

2013-12-20 Thread Jonathan Corbet
During the direct I/O discussion I'd suggested that somebody from the PostgreSQL community might want to put in an appearance at the LSFMM summit in March. Here's the CFP. My guess is that a proposal for a session on avoiding performance regressions for systems like PostgreSQL, probably crossing

Re: [HACKERS] Why we are going to have to go DirectIO

2013-12-04 Thread Jonathan Corbet
On Tue, 03 Dec 2013 10:44:15 -0800 Josh Berkus j...@agliodbs.com wrote: It seems clear that Kernel.org, since 2.6, has been in the business of pushing major, hackish, changes to the IO stack without testing them or even thinking too hard about what the side-effects might be. This is perhaps

Re: [HACKERS] Why we are going to have to go DirectIO

2013-12-04 Thread Jonathan Corbet
On Wed, 04 Dec 2013 11:07:04 -0800 Josh Berkus j...@agliodbs.com wrote: On 12/04/2013 07:33 AM, Jonathan Corbet wrote: Wow, Josh, I'm surprised to hear this from you. Well, I figured it was too angry to propose for an LWN article. ;-) So you're going to make us write it for you

Re: [HACKERS] Why we are going to have to go DirectIO

2013-12-04 Thread Jonathan Corbet
On Wed, 04 Dec 2013 13:01:37 -0800 Josh Berkus j...@agliodbs.com wrote: Perhaps even better: the next filesystem, storage, and memory management summit is March 24-25. Link? I can't find anything Googling by that name. I'm pretty sure we can get at least one person there. It looks

Re: [HACKERS] Deriving release notes from git commit messages

2011-06-27 Thread Jonathan Corbet
On Fri, 24 Jun 2011 13:42:04 -0400 Robert Haas robertmh...@gmail.com wrote: As for annotating the commit messages, I think something like: Reporter: Sam Jones Author: Beverly Smith Author: Jim Davids Reviewer: Fred Block Reviewer: Pauline Andrews Can I just toss in one little note from

Re: [HACKERS] Report: Linux huge pages with Postgres

2010-11-29 Thread Jonathan Corbet
what it can do for you. jon Jonathan Corbet / LWN.net / cor...@lwn.net -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers

Re: [HACKERS] antisocial things you can do in git (but not CVS)

2010-07-21 Thread Jonathan Corbet
On Tue, 20 Jul 2010 14:34:20 -0400 Robert Haas robertmh...@gmail.com wrote: I have some concerns related to the upcoming conversion to git and how we're going to avoid having things get messy as people start using the new repository. Here's a few responses from the point of view of somebody

Re: [HACKERS] antisocial things you can do in git (but not CVS)

2010-07-21 Thread Jonathan Corbet
On Wed, 21 Jul 2010 15:11:41 -0400 Andrew Dunstan and...@dunslane.net wrote: We have a clear idea of what should be part of the public history contained in the authoritative repo and what should be history that is private to the developer/tester/committer. We don't want to pollute the