Alvaro Herrera wrote:
Tatsuo Ishii wrote:
When a transaction aborts, it seems a BRIN index leaves summary data
which is not valid any more. Is this an expected behavior? I guess
the answer is yes, because it does not affect correctness of a query
result, but I would like to make sure.
Hi,
I, every now and then, spent a bit of time making this more efficient
over the last few weeks.
I had a bit of a problem to reproduce the problems I'd seen in
production on physical hardware (found EC2 to be to variable to
benchmark this), but luckily 2ndQuadrant today allowed me access to
Hi,
Eeek, the attached patch included a trivial last minute screwup
(dereferencing bistate unconditionally...). Fixed version attached.
Andres
From fc095897a6f4207d384559a095f80a36cf49648c Mon Sep 17 00:00:00 2001
From: Andres Freund and...@anarazel.de
Date: Sun, 29 Mar 2015 20:55:32 +0200
2015-07-19 20:54 GMT+02:00 Pavel Stehule pavel.steh...@gmail.com:
Hi
I am sending updated version. It implements new long option
--strict-names. If this option is used, then for any entered name
(without any wildcard char) must be found least one object. This option has
not impact on
Pavel, All:
Just to be clear, the idea of a global temp table is that the table def
is available to all users, but the data is private to each session?
--
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com
--
Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)
To make
On 07/17/2015 04:36 PM, Jim Nasby wrote:
On 7/16/15 12:40 PM, Robert Haas wrote:
They may well be 2-3 times as long. Why is that a negative?
In my opinion, brevity makes things easier to read and understand. We
also don't support multi-line GUCs, so if your configuration takes 140
On 19 July 2015 at 21:16, Tom Lane t...@sss.pgh.pa.us wrote:
Josh Berkus j...@agliodbs.com writes:
On 07/17/2015 04:36 PM, Jim Nasby wrote:
I'm guessing it'd be really ugly/hard to support at least this GUC being
multi-line?
Mind you, multi-line GUCs would be useful otherwise, but we
On 19 July 2015 at 21:56, Tom Lane t...@sss.pgh.pa.us wrote:
Since I'm not observing any movement
Apologies if nothing visible was occurring. Petr and I had arranged to meet
and discuss Mon/Tues.
--
Simon Riggshttp://www.2ndQuadrant.com/
http://www.2ndquadrant.com/
On Mon, Jun 1, 2015 at 12:29 AM, Peter Geoghegan p...@heroku.com wrote:
If you're using another well known MVCC database system that has RLS,
I imagine when this happens the attacker similarly waits on the
conflicting (privileged) xact to finish (in my example in the patch,
Bob's xact).
On Thu, Jul 16, 2015 at 8:49 PM, Tom Lane t...@sss.pgh.pa.us wrote:
Meh. I don't like the assumption that non-GCC compilers will be smart
enough to optimize away the useless-to-them if() tests this adds.
Please refactor that so that there is exactly 0 new code when the
intrinsic doesn't
On Thu, Jul 2, 2015 at 2:58 PM, Peter Geoghegan p...@heroku.com wrote:
As with row locking, with insertion, if there is a conflict, any
outcome (UPDATE or INSERT) is then possible.
Where are we on this? It would be nice to get this out of the way
before a 9.5 beta is put out.
Thanks
--
Peter
2015-07-19 21:08 GMT+02:00 Pavel Stehule pavel.steh...@gmail.com:
2015-07-19 20:54 GMT+02:00 Pavel Stehule pavel.steh...@gmail.com:
Hi
I am sending updated version. It implements new long option
--strict-names. If this option is used, then for any entered name
(without any wildcard char)
2015-07-19 21:39 GMT+02:00 Josh Berkus j...@agliodbs.com:
Pavel, All:
Just to be clear, the idea of a global temp table is that the table def
is available to all users, but the data is private to each session?
yes.
Pavel
--
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com
Hi
I am sending updated version. It implements new long option
--strict-names. If this option is used, then for any entered name
(without any wildcard char) must be found least one object. This option has
not impact on patters (has wildcards chars). When this option is not used,
then behave is
On 2015-07-19 12:35:46 -0400, Peter Eisentraut wrote:
I would like to do that, but the current host has no more capacity and
the hoster is complaining, so I need to look for a new hosting solution
before I can expand what is being built.
Perhaps this could be moved into a virtual machine
Josh Berkus j...@agliodbs.com writes:
On 07/17/2015 04:36 PM, Jim Nasby wrote:
I'm guessing it'd be really ugly/hard to support at least this GUC being
multi-line?
Mind you, multi-line GUCs would be useful otherwise, but we don't want
to hinge this feature on making that work.
I'm pretty
Since I'm not observing any movement on the key question of redesigning
the tablesample method API, and I think that's something that's absolutely
necessary to fix for 9.5, attached is an attempt to respecify the API.
I haven't actually written any code, but I've written a tsmapi.h file
modeled
On Wed, Jul 15, 2015 at 11:08:53AM +0200, Andres Freund wrote:
On 2015-07-15 12:04:40 +0300, Alvaro Herrera wrote:
Andres Freund wrote:
One thing worth mentioning is that arguably the problem is caused by the
fact that we're here emitting database level information in pg_dump,
normally
In a 32-bit build, xlc 12.1 for AIX miscompiles three inline expansions of
ginCompareItemPointers(), all in ginget.c (line numbers per commit 9aa6634):
739 Assert(!ItemPointerIsValid(entry-curItem) ||
740ginCompareItemPointers(entry-curItem, advancePast) = 0);
847
On July 19, 2015 9:50:33 PM GMT+02:00, Noah Misch n...@leadboat.com wrote:
In a 32-bit build, xlc 12.1 for AIX miscompiles three inline expansions
of
ginCompareItemPointers(), all in ginget.c (line numbers per commit
9aa6634):
739Assert(!ItemPointerIsValid(entry-curItem) ||
740
On 2015-07-19 11:28:25 -0400, Tom Lane wrote:
Andres Freund and...@anarazel.de writes:
So, to get to the actual meat: My goal was to essentially get rid of an
exclusive lock over relation extension alltogether. I think I found a
way to do that that addresses the concerns made in this
Andres Freund and...@anarazel.de writes:
On July 19, 2015 9:50:33 PM GMT+02:00, Noah Misch n...@leadboat.com wrote:
I propose to expand the gin_private.h #ifdef PG_USE_INLINE test to
exclude xlc 32-bit configurations. The last 32-bit AIX kernel exited
support on 2012-04-30.
I vote to simply
Andres Freund and...@anarazel.de writes:
So, to get to the actual meat: My goal was to essentially get rid of an
exclusive lock over relation extension alltogether. I think I found a
way to do that that addresses the concerns made in this thread.
Thew new algorithm basically is:
1) Acquire
On 2015-07-19 11:56:47 -0400, Tom Lane wrote:
Andres Freund and...@anarazel.de writes:
On 2015-07-19 11:28:25 -0400, Tom Lane wrote:
At this point session 1 will go and create page 44, won't it, and you
just wasted a page.
My local code now recognizes that case and uses the page. We
On 7/6/15 3:52 PM, Alvaro Herrera wrote:
Kevin Grittner wrote:
Alvaro Herrera alvhe...@2ndquadrant.com wrote:
Peter Geoghegan wrote:
It would be nice to always have a html report from gcov always
available on the internet. That would be something useful to
automate, IMV.
On Thu, Jul 16, 2015 at 12:03 AM, Jeff Janes jeff.ja...@gmail.com wrote:
On Wed, Jul 15, 2015 at 8:44 AM, Heikki Linnakangas hlinn...@iki.fi
wrote:
Both. Here's the patch.
Previously, LWLockAcquireWithVar set the variable associated with the
lock atomically with acquiring it. Before the
On Sat, Jul 18, 2015 at 8:00 AM, Petr Jelinek p...@2ndquadrant.com wrote:
On 2015-07-15 06:07, Michael Paquier wrote:
On Fri, Jul 10, 2015 at 11:28 PM, Tom Lane t...@sss.pgh.pa.us wrote:
Andres Freund and...@anarazel.de writes:
On July 10, 2015 4:16:59 PM GMT+02:00, Tom Lane
On Wed, Jul 15, 2015 at 8:44 AM, Heikki Linnakangas hlinn...@iki.fi wrote:
On 06/30/2015 11:24 PM, Andres Freund wrote:
On 2015-06-30 22:19:02 +0300, Heikki Linnakangas wrote:
Hm. Right. A recheck of the value after the queuing should be sufficient
to fix? That's how we deal with the exact
On 16 July 2015 at 06:51, Haribabu Kommi kommi.harib...@gmail.com wrote:
I marked the patch as ready for committer.
The most recent results seem to indicate that the prefetch isn't worth
pursuing, but the vm test is. Can someone repeat the perf tests on
something larger so we can see, when/if
On Fri, Jul 17, 2015 at 1:22 PM, Haribabu Kommi kommi.harib...@gmail.com
wrote:
On Thu, Jul 16, 2015 at 1:10 PM, Amit Kapila amit.kapil...@gmail.com
wrote:
Thanks, I will fix this in next version of patch.
I am posting in this thread as I am not sure, whether it needs a
separate thread or
On 20/07/15 15:00, Pavel Stehule wrote:
2015-07-19 21:39 GMT+02:00 Josh Berkus j...@agliodbs.com
mailto:j...@agliodbs.com:
Pavel, All:
Just to be clear, the idea of a global temp table is that the
table def
is available to all users, but the data is private to each session?
2015-07-20 5:33 GMT+02:00 Gavin Flower gavinflo...@archidevsys.co.nz:
On 20/07/15 15:00, Pavel Stehule wrote:
2015-07-19 21:39 GMT+02:00 Josh Berkus j...@agliodbs.com mailto:
j...@agliodbs.com:
Pavel, All:
Just to be clear, the idea of a global temp table is that the
table
Andres Freund and...@anarazel.de writes:
On 2015-07-19 11:28:25 -0400, Tom Lane wrote:
At this point session 1 will go and create page 44, won't it, and you
just wasted a page.
My local code now recognizes that case and uses the page. We just need
to do an PageIsNew().
Er, what? How can
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