2010/11/5 Shigeru HANADA han...@metrosystems.co.jp:
On Fri, 5 Nov 2010 16:27:49 +0900
Itagaki Takahiro itagaki.takah...@gmail.com wrote:
PL/Proxy has a similar functionality with RUN ON ALL to start queries
in parallel. So, I think it's a infrastructure commonly required.
I noticed the lack
On 06.11.2010 00:39, Tom Lane wrote:
Andrew Dunstanand...@dunslane.net writes:
On 11/05/2010 05:45 PM, Tom Lane wrote:
Anyway, what this points up is that we are making a very conservative
assumption about what to do when getrlimit() returns RLIM_INFINITY.
It does not seem real reasonable to
A customer of ours is quite bothered about finding zero pages in an index
after
a system crash. The task now is to improve the diagnosability of such an
issue
and be able to definitively point to the source of zero pages.
The proposed solution below has been vetted in-house at EnterpriseDB and am
On Fri, Nov 05, 2010 at 09:01:50PM -0400, Robert Haas wrote:
On Fri, Nov 5, 2010 at 4:02 PM, Tom Lane t...@sss.pgh.pa.us wrote:
The latter is an intentional security feature and will not get changed.
I see that there could be a problem here with SECURITY DEFINER
functions, but I'm not clear
On ons, 2010-11-03 at 16:34 +0200, Peter Eisentraut wrote:
On tis, 2010-11-02 at 10:21 -0400, Tom Lane wrote:
Do we have a handle on how many buildfarm members this will break?
I suppose we don't. One way to find out would be to commit just this
bit
+# We need the $(eval) function,
On 6 November 2010 05:46, Josh Berkus j...@agliodbs.com wrote:
I'm continuing in my efforts now to document how to deploy and manage
replication on our wiki. One of the things a DBA needs to do is to use
pg_current_xlog_location() (and related functions) to check how far
behind the master the
Do you think now patch is ready for committer or it require further review
by you or somebody else?
With best regards,
Alexander Korotkov.
Is there any way to have the database tell you if a particular SQL function can
be inlined?
--
Jim C. Nasby, Database Architect j...@nasby.net
512.569.9461 (cell) http://jim.nasby.net
--
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Alexander Korotkov wrote:
Do you think now patch is ready for committer or it require further
review by you or somebody else?
It's probably ready for committer, however the code now doesn't mention
any reference or bit of information that it is faster than the original
one. I was wondering how
Hitoshi Harada umi.tan...@gmail.com writes:
And if we really make this async query come true, I suggest designing
resource (i.e. remote connection) management very carefully. When the
executor fails in the middle of its execution, it possibly fails to
release its own resource; close() in
Since we now install PL/pgSQL by default, should we configure
shared_preload_libraries to preload PL/pgSQL?
--
Bruce Momjian br...@momjian.ushttp://momjian.us
EnterpriseDB http://enterprisedb.com
+ It's impossible for everything to be true. +
--
Sent
Martijn van Oosterhout klep...@svana.org writes:
On Fri, Nov 05, 2010 at 09:01:50PM -0400, Robert Haas wrote:
I see that there could be a problem here with SECURITY DEFINER
functions, but I'm not clear whether it goes beyond that?
IIRC correctly it's because even unpriveledged users can make
Gurjeet Singh singh.gurj...@gmail.com writes:
.) The basic idea is to have a magic number in every PageHeader before it is
written to disk, and check for this magic number when performing page
validity
checks.
Um ... and exactly how does that differ from the existing behavior?
.) To avoid
Jim Nasby j...@nasby.net writes:
Is there any way to have the database tell you if a particular SQL function
can be inlined?
Easiest way is to EXPLAIN a query using it and see if it did get inlined.
For example,
regression=# create function foo(int) returns int as
regression-# 'select $1 + 1'
Bruce Momjian br...@momjian.us writes:
Since we now install PL/pgSQL by default, should we configure
shared_preload_libraries to preload PL/pgSQL?
I don't think that follows. The fact that it's there doesn't mean
everyone is using it. In any case, I've seen no evidence that says
you'd get a
Peter Eisentraut has suggested that we should run make -k instead of
plain make for most or all of the buildfarm steps. This flag
essentially instructs make to keep going rather than fail at the first
error. We haven't done that for the last five or six years that the
buildfarm has been
On Fri, Nov 5, 2010 at 5:16 AM, Pavel Stehule pavel.steh...@gmail.com wrote:
2010/11/4 Daniele Varrazzo daniele.varra...@gmail.com:
Just wanted to warn you that I have implemented the 2pc protocol in psycopg.
I read a notice, but I didn't find a link for download, where is it, please?
We
Hannu Krosing ha...@2ndquadrant.com writes:
To make pg_basebackup.py self-sufficient it should also open 2nd
connection to the same master and make sure that all WAL files are
copied for the duration of base copy.
Excellent idea, will make that happen soon'ish.
Regards,
--
Dimitri Fontaine
Andrew Dunstan and...@dunslane.net writes:
Peter Eisentraut has suggested that we should run make -k instead of
plain make for most or all of the buildfarm steps. This flag
essentially instructs make to keep going rather than fail at the first
error. We haven't done that for the last five
On Sat, Nov 6, 2010 at 11:36 AM, Tom Lane t...@sss.pgh.pa.us wrote:
Martijn van Oosterhout klep...@svana.org writes:
On Fri, Nov 05, 2010 at 09:01:50PM -0400, Robert Haas wrote:
I see that there could be a problem here with SECURITY DEFINER
functions, but I'm not clear whether it goes beyond
On Fri, Nov 05, 2010 at 01:39:07PM -0700, Josh Berkus wrote:
Of course, there are containers too, which are not in your list at all.
How do you intend to represent the tree-ish structure in a flat table?
Andrew: we'll use a proximity tree.
Adjacency list?
If so, in my experience, it's
Sergey was kind enough to lend me use of buildfarm member dugong
(IA64, Debian Etch) so I could poke into why its behavior in the
recursion-related regression tests was so odd. I had previously
tried and failed to reproduce the behavior on a Red Hat IA64 test
machine (running RHEL of course) so I
Robert Haas robertmh...@gmail.com writes:
On Sat, Nov 6, 2010 at 11:36 AM, Tom Lane t...@sss.pgh.pa.us wrote:
Yeah, we changed that behavior as part of the fix for CVE-2007-2138.
You'd need either SECURITY DEFINER functions or very careless use of
SET ROLE/SET SESSION AUTHORIZATION for the
On Sat, 2010-11-06 at 18:02 +0100, Dimitri Fontaine wrote:
Hannu Krosing ha...@2ndquadrant.com writes:
To make pg_basebackup.py self-sufficient it should also open 2nd
connection to the same master and make sure that all WAL files are
copied for the duration of base copy.
Excellent idea,
On Nov 5, 2010, at 1:42 PM, David E. Wheeler wrote:
http://git.postgresql.org/gitweb?p=postgresql.git;a=blob;f=src/backend/commands/explain.c;h=f494ec98e510c23120e072bd5ee8821ea12738a4;hb=HEAD#l617
Ah, great, thanks.
So based on this, I've come up with:
Node Type TEXT,
On 11/06/2010 01:07 PM, Tom Lane wrote:
What I *have* occasionally
wished for is that the buildfarm script would act more like make -k with
respect to the various test stages. That is, not abandon the whole test
after one stage fails, but allow stages that don't logically depend on
the failed
Andrew Dunstan and...@dunslane.net writes:
On 11/06/2010 01:07 PM, Tom Lane wrote:
What I *have* occasionally
wished for is that the buildfarm script would act more like make -k with
respect to the various test stages.
I'm not sure that would be a great advance. Certainly, right now I'm
I'm gradually slogging my way through the KNNGIST patches which were
posted here:
http://archives.postgresql.org/pgsql-hackers/2010-07/msg01183.php
I have a couple of conceptual questions.
1. Is KNNGIST intended to work if there's more than one pathkey? If
so, how? Example:
SELECT * FROM tab
On Sat, Nov 6, 2010 at 1:43 PM, Tom Lane t...@sss.pgh.pa.us wrote:
Robert Haas robertmh...@gmail.com writes:
On Sat, Nov 6, 2010 at 11:36 AM, Tom Lane t...@sss.pgh.pa.us wrote:
Yeah, we changed that behavior as part of the fix for CVE-2007-2138.
You'd need either SECURITY DEFINER functions or
Robert Haas robertmh...@gmail.com writes:
I guess. If you search pg_temp always then it's pretty much
impossible to avoid having a security hole, if you use any non-trivial
SQL. But if you search pg_temp for non-SD only then you'll only have
a security hole if you assume (presumably without
On Sat, Nov 6, 2010 at 5:34 PM, Tom Lane t...@sss.pgh.pa.us wrote:
As I said above, I don't know of any good way to measure register stack
depth directly. It's probably possible to find out by asking the kernel
or something like that, but we surely do not want to introduce a kernel
call into
Greg Stark gsst...@mit.edu writes:
On Sat, Nov 6, 2010 at 5:34 PM, Tom Lane t...@sss.pgh.pa.us wrote:
As I said above, I don't know of any good way to measure register stack
depth directly. It's probably possible to find out by asking the kernel
or something like that, but we surely do not
Greg Stark gsst...@mit.edu writes:
It seems more likely it would be some kind of asm than a trap.
I seem to be getting plausible results from this bit of crockery:
#include asm/ia64regs.h
static __inline__ void *
get_bsp(void)
{
void *ret;
#ifndef __INTEL_COMPILER
__asm__ __volatile__(
On Nov 6, 2010, at 11:44 AM, David E. Wheeler wrote:
On Nov 5, 2010, at 1:42 PM, David E. Wheeler wrote:
http://git.postgresql.org/gitweb?p=postgresql.git;a=blob;f=src/backend/commands/explain.c;h=f494ec98e510c23120e072bd5ee8821ea12738a4;hb=HEAD#l617
Ah, great, thanks.
So based on this,
Hannu Krosing ha...@2ndquadrant.com writes:
To make pg_basebackup.py self-sufficient it should also open 2nd
connection to the same master and make sure that all WAL files are
copied for the duration of base copy.
Done now, please have a look and try it if possible:
On Fri, Oct 29, 2010 at 6:17 AM, Robert Haas robertmh...@gmail.com wrote:
On Fri, Oct 29, 2010 at 2:58 AM, Itagaki Takahiro
itagaki.takah...@gmail.com wrote:
On Fri, Oct 29, 2010 at 3:23 PM, Heikki Linnakangas
heikki.linnakan...@enterprisedb.com wrote:
Simon's argument in the thread that the
I wrote:
I don't know why icc is so much worse than gcc on this measure of
stack depth consumption, but clearly the combination of that and
the 100kB max_stack_depth explains why dugong is failing to do
very many levels of recursion before erroring out.
I figured out why icc looked so much
On 11/06/2010 07:35 AM, Peter Eisentraut wrote:
So far, two machines have reported an older make version:
dawn_bat
narwhal
both of the mingw type. Andrew, Dave, could you see about upgrading the
GNU make installation there?
dawn_bat is done.
cheers
andrew
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On Sat, Nov 6, 2010 at 7:25 PM, Jeff Janes jeff.ja...@gmail.com wrote:
There are really two separate things here:
(1) trying to do all the writes to file A before you start doing
writes to file B, and
(2) trying to write out blocks to each file in ascending logical block
number order
I'm
On Sat, Nov 6, 2010 at 8:01 PM, Tom Lane t...@sss.pgh.pa.us wrote:
I wrote:
I don't know why icc is so much worse than gcc on this measure of
stack depth consumption, but clearly the combination of that and
the 100kB max_stack_depth explains why dugong is failing to do
very many levels of
On Fri, Nov 5, 2010 at 7:49 PM, Daniel Farina drfar...@acm.org wrote:
On Fri, Nov 5, 2010 at 4:20 PM, Robert Haas robertmh...@gmail.com wrote:
Can you give us a self-contained example of the problem you're talking about?
Sure. Consider the following:
CREATE TABLE t1 (
id integer PRIMARY
On Sat, Nov 6, 2010 at 6:09 PM, Robert Haas robertmh...@gmail.com wrote:
If we're going to try to fix this, we probably ought to try to make
sure that we are fixing it fairly completely. How confident are you
that this is the only problem?
I haven't tried to isolate problems on really
On Sat, Nov 6, 2010 at 11:48 PM, Tom Lane t...@sss.pgh.pa.us wrote:
Gurjeet Singh singh.gurj...@gmail.com writes:
.) The basic idea is to have a magic number in every PageHeader before it
is
written to disk, and check for this magic number when performing page
validity
checks.
Um ...
On Sun, Nov 7, 2010 at 4:23 AM, Gurjeet Singh singh.gurj...@gmail.com wrote:
I understand that it is a pretty low-level change, but IMHO the change is
minimal and is being applied in well understood places. All the assumptions
listed have been effective for quite a while, and I don't see these
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