On Thu, Mar 29, 2018 at 2:07 PM, Thomas Munro
wrote:
> I found your discussion with kernel hacker Jeff Layton at
> https://lwn.net/Articles/718734/ in which he said: "The stackoverflow
> writeup seems to want a scheme where pages stay dirty after a
> writeback failure so that we can try to fsync t
There have been several discussions of replacing PG's autoconf +
src/tools/msvc system. The last example is happening now at the bottom of
the Setting rpath on llvmjit.so thread.
I see potentially big advantages to moving but also to PG's conservative
approach that keeps it running on edge and old
On Fri, Dec 1, 2017 at 10:09 PM, Thomas Munro
wrote:
>> On 11/30/17 23:35, Thomas Munro wrote:
>>> Hmm. Yeah, it does, but apparently it's not so transparent. So if we
>>> mention that we'd better indicate in the same paragraph that you
>>> probably don't actually want to use it. How about the
On Mon, Jan 22, 2018 at 7:23 AM, Justin Pryzby wrote:
> Consider this shorter, less-severe sounding alternative:
> "... (but note that this feature can degrade performance of some
> PostgreSQL workloads)."
I think the patch looks good now.
As Justin mentions, as far as I see the only arguable pi
On Tue, Jan 23, 2018 at 7:13 PM, Catalin Iacob wrote:
> By the way, Fedora 27 does disable THP by default, they deviate from
> upstream in this regard:
> When I have some time I'll try to do some digging into history of the
> Fedora kernel package to see if they provide a ratio
On Tue, Oct 2, 2018 at 7:20 PM wrote:
> I have a feature built around LISTEN / NOTIFY that works perfectly well,
> except for the enormous performance impact to transactions that emit large
> numbers of notifications.
Indeed, I have the same and am very interested in this.
> I hope this patch
On Tue, Oct 9, 2018 at 2:17 PM wrote:
> I just caught an error in my patch, it's fixed in the attachment. The 'never'
> and 'maybe' collapse modes were mixed up in one location.
Here's a partial review of this version, did not read the doc part
very carefully.
First of all, I agree that this is
On Wed, Oct 10, 2018 at 5:42 PM Catalin Iacob wrote:
> One way could be to take inspiration from
> src/test/isolation/specs/async-notify.spec and check that
> pg_notification_queue_usage() does grow when repeating the same
> payload with collapse_mode='never' (while fo
On Tue, Feb 27, 2018 at 4:03 AM, Michael Paquier wrote:
> I would just recommend users to use a version of psql matching
> the one of the server instead of putting an extra load of maintenance
> into psql for years to come
Breaking tab completion in new psql against old servers might be
acceptabl
On Thu, Mar 15, 2018 at 1:20 AM, Andres Freund wrote:
> I don't really live in the RHEL world, but I wonder if
> https://developers.redhat.com/blog/2017/10/04/red-hat-adds-go-clangllvm-rust-compiler-toolsets-updates-gcc/
> is relevant?
Indeed. It might be a bit awkward for packagers to depend on
On Thu, Mar 15, 2018 at 6:19 PM, Andres Freund wrote:
> What we were talking about in this subthread was about a depency on
> clang, not LLVM. And that's just needed at buildtime, to generate the
> bitcode files (including synchronizing types / function signatures).
I was actually thinking of bot
On Wed, Mar 21, 2018 at 4:07 AM, Andres Freund wrote:
> Indeed. I've pushed a rebased version now, that basically just fixes the
> issue Thomas observed.
Testing 2d6f2fba from your repository configured --with-llvm I noticed
some weird things in the configure output.
Without --enable-debug:
conf
On Sat, Apr 28, 2018 at 12:28 AM, Andres Freund wrote:
> Before linux v4.13 errors in kernel writeback would be reported at most
> once, without a guarantee that that'd happen (IIUC memory pressure could
> lead to the relevant information being evicted) - but it was pretty
> likely. After v4.13 (
On Wed, May 2, 2018 at 5:44 PM, Robert Haas wrote:
> I don't think that unsubstantiated hyperbole is the right way to
> approach the task of convincing the community to adopt the approach
> you prefer. I don't see that any compelling evidence has been
> presented that a cmake-based solution would
14 matches
Mail list logo
