On Tue, Nov 06, 2012 at 02:55:40PM -0800, Mike Lewis wrote:
I am trying to make a trigger that updates a row once and only once per
transaction (even if this trigger gets fired multiple times). The general
idea is that for a user we have a version number. When we modify the
user's data, the
Vick,
fantastic script, thanx! FreeBSD sysctl system is awesome!
On Τρι 06 Νοε 2012 14:33:43 Vick Khera wrote:
On Mon, Nov 5, 2012 at 10:11 AM, Frank Broniewski b...@metrico.lu wrote:
and this is after a few hours of running:
Mem: 91M Active, 17G Inact, 3983M Wired, 1526M Cache, 3283M Buf,
Hey, this is really cool. I directly tried the script and there's a line
from the output that caught my eye:
mem_gap_vm: + 8812892160 ( 8404MB) [ 26%] Memory gap: UNKNOWN
is this the shared buffers? I guess so, but I want to confirm my guess ...
Frank
Am 2012-11-07 09:26, schrieb
Hi all:
I have one question about the cache clearing.
If I use the following soon after database startup(or first time I use it):
postgres=# explain analyze select id,deptno from gaotab where id=200;
QUERY
PLAN
On Τετ 07 Νοε 2012 09:42:47 Frank Broniewski wrote:
Hey, this is really cool. I directly tried the script and there's a line
from the output that caught my eye:
mem_gap_vm: + 8812892160 ( 8404MB) [ 26%] Memory gap: UNKNOWN
is this the shared buffers? I guess so, but I want to
高健 wrote:
I have one question about the cache clearing.
If I use the following soon after database startup(or first time I use it):
postgres=# explain analyze select id,deptno from gaotab where id=200;
The result is: the above explain analyze got a total runtime of 47 ms.
But If I
=?UTF-8?B?6auY5YGl?= luckyjack...@gmail.com writes:
It might not be a big problem in a small system.
But when in a production environment, When I want to use explain and
then , soon use explain analyze for the same statement,
How can I avoid the influence of cache and get the right answer
On Tue, Nov 6, 2012 at 11:28 AM, Tom Lane t...@sss.pgh.pa.us wrote:
Jeff Janes jeff.ja...@gmail.com writes:
On Tue, Nov 6, 2012 at 10:49 AM, Lists li...@benjamindsmith.com wrote:
I followed your example, the result is at the bottom. Based on this it would
seem that there are 3-4 databases that
came across this problem myself.
turned out after much playing around that it was a change to the pg_hba.conf
was a syntax error in the all all posgres trust sameuser line.
deleted it and postgres fired up from /etc/init.d or as a service.
just my very late twopenneth
--
View this
Vick,
fantastic script, thanx! FreeBSD sysctl system is awesome!
On Τρι 06 Νοε 2012 14:33:43 Vick Khera wrote:
On Mon, Nov 5, 2012 at 10:11 AM, Frank Broniewski b...@metrico.lu wrote:
and this is after a few hours of running:
Mem: 91M Active, 17G Inact, 3983M Wired, 1526M Cache, 3283M Buf,
Ramkumar Yelai wrote:
[is worried that a database might become inconsistent if conflicting INSERTs
and DELETEs occur]
@Albe - I got you first point. The second point is little skeptical
because postgres could have been
avoided this lock by using MVCC. Please correct me if I am wrong?
Which
On 07/11/2012 13:01, Gary wrote:
Can anyone suggest how I could verify that the files created by pg_dump
are okay? They are being created for backup purposes, and the last
thing I want to do is find out that the backups themselves are in some
way corrupt.
I know I can check the output of
On Sat, Oct 27, 2012 at 05:41:02PM +1100, Chris Angelico wrote:
On Sat, Oct 27, 2012 at 4:26 PM, Greg Smith g...@2ndquadrant.com wrote:
In general, through, diskchecker.pl is the more sensitive test. If it
fails, storage is unreliable for PostgreSQL, period. It's good that you've
On Tue, Oct 23, 2012 at 09:41:20AM -0400, Nikolas Everett wrote:
On Mon, Oct 22, 2012 at 6:17 PM, Alan Hodgson ahodg...@simkin.ca wrote:
On Monday, October 22, 2012 05:55:07 PM Nikolas Everett wrote:
I see that pg_upgrade is an option. Having never used how long should I
On Thu, Oct 25, 2012 at 02:39:09AM -0200, Aníbal Pacheco wrote:
I could after some work, what I want to ask now is this:
In the middle of the pg_restore process I had to stop it (^Z) and remove one
problematic and not needed database from the generated pg_upgrade_dump_db.sql
file and then
On Fri, Oct 26, 2012 at 04:11:42PM -0400, Samuel Gilbert wrote:
Thank you, it works. The documentation gave me the impression that the FM
modifier only applied to date/time since it was under Usage notes for
date/time formatting:
Uh, I see:
entryliteralFM/literal prefix/entry
On 11/07/2012 09:01 AM, Jeff Janes wrote:
Ben, did you ever figure out where the space was going?
I think we've found where the space is going, but I still don't yet know
how to resolve it. I modified your query thusly in order to get a total
of space used, and got an answer that matches
-Original Message-
From: Gary [mailto:listgj...@yahoo.co.uk]
Sent: Wednesday, November 07, 2012 8:02 AM
To: pgsql-general@postgresql.org
Subject: How to verify pg_dump files
Can anyone suggest how I could verify that the files created by pg_dump
are okay? They are being created
On Mon, Oct 29, 2012 at 04:41:05PM +0800, Craig Ringer wrote:
On 10/29/2012 02:05 PM, 高健 wrote:
On /src/include/storage/proc.h:
I saw the following line:
extern PGDLLIMPORT PGPROC *MyProc;
I want to know why PGDLLIMPORT is used here?
Does it mean: exten PGPROC *MyProc;
Magnus Hagander wrote:
I have streaming replication configured over SSL, and
there seems to be a problem with SSL renegotiation.
[...]
After that, streaming replication reconnects and resumes working.
Is this an oversight in the replication protocol, or is this
working as designed?
This
On 07/11/2012 18:57, Ryan Delaney wrote:
On Wed, Nov 7, 2012 at 10:11 AM, Raymond O'Donnell r...@iol.ie
mailto:r...@iol.ie wrote:
On 07/11/2012 13:01, Gary wrote:
Can anyone suggest how I could verify that the files created by
pg_dump
are okay? They are being created for
Lists li...@benjamindsmith.com writes:
pg_catalog.pg_attribute | 36727480320
Ouch.
Our current process is that every night in the middle of the night, a
script connects to each database on each server and runs a query to get
all tables in each database
On Tue, Nov 6, 2012 at 09:24:19AM +0100, Pavel Stehule wrote:
2012/11/6 Tianyin Xu t...@cs.ucsd.edu:
Thanks, Pavel!
I see. So the regress test cases are the complete functional testing? Am I
right?
yes
Those tests are hardly complete, as in testing every possible input
and output.
On Wed, Nov 7, 2012 at 10:11 AM, Raymond O'Donnell r...@iol.ie wrote:
On 07/11/2012 13:01, Gary wrote:
Can anyone suggest how I could verify that the files created by pg_dump
are okay? They are being created for backup purposes, and the last
thing I want to do is find out that the backups
Regarding the caveats here
http://www.postgresql.org/docs/9.1/interactive/ddl-inherit.html#DDL-INHERIT-CAVEATS
I am attempting to logically structure my location data. Say for example I
have cities/states/countries. I have objects that reference a location, but
at any level. An object may
On Wed, Nov 7, 2012 at 11:59 AM, Bruce Momjian br...@momjian.us wrote:
On Sat, Oct 27, 2012 at 05:41:02PM +1100, Chris Angelico wrote:
On Sat, Oct 27, 2012 at 4:26 PM, Greg Smith g...@2ndquadrant.com wrote:
In general, through, diskchecker.pl is the more sensitive test. If it
fails, storage
Hi Greg, I've added you to the cc list because I'm proposing to change
some wiki content which you wrote
On Wed, Nov 7, 2012 at 11:54 AM, Lists li...@benjamindsmith.com wrote:
On 11/07/2012 09:01 AM, Jeff Janes wrote:
Ben, did you ever figure out where the space was going?
Now, here's
On Wed, Nov 7, 2012 at 1:42 PM, Tom Lane t...@sss.pgh.pa.us wrote:
Lists li...@benjamindsmith.com writes:
... because it
occasionally causes transactions and queries to hang when an update
causes a vacuum mid-day, effectively taking us offline randomly.
I suspect this claim is based on
On Wed, Nov 7, 2012 at 01:53:47PM -0700, Scott Marlowe wrote:
On Wed, Nov 7, 2012 at 11:59 AM, Bruce Momjian br...@momjian.us wrote:
On Sat, Oct 27, 2012 at 05:41:02PM +1100, Chris Angelico wrote:
On Sat, Oct 27, 2012 at 4:26 PM, Greg Smith g...@2ndquadrant.com wrote:
In general, through,
On Wed, Nov 7, 2012 at 2:01 PM, Bruce Momjian br...@momjian.us wrote:
On Wed, Nov 7, 2012 at 01:53:47PM -0700, Scott Marlowe wrote:
On Wed, Nov 7, 2012 at 11:59 AM, Bruce Momjian br...@momjian.us wrote:
On Sat, Oct 27, 2012 at 05:41:02PM +1100, Chris Angelico wrote:
On Sat, Oct 27, 2012 at
On Wed, Nov 7, 2012 at 02:12:39PM -0700, Scott Marlowe wrote:
I don't have the specs to hand, but one of them is a Kingston drive.
Our local supplier is out of 320 series drives, so we were looking for
others; will check out the 710s. It's crazy that so few drives can
actually be
Le 2012-11-07 à 13:58, Nicholas Wilson a écrit :
Regarding the caveats here
http://www.postgresql.org/docs/9.1/interactive/ddl-inherit.html#DDL-INHERIT-CAVEATS
I am attempting to logically structure my location data. Say for example I
have cities/states/countries. I have objects that
On 11/07/2012 12:42 PM, Tom Lane wrote:
So you've turned off autovacuum, and are carefully not vacuuming the
system catalogs. That's your problem all right. Is there a
particularly good reason why this script isn't a one-liner VACUUM?
Back in the 8.x days, we experienced vacuum full analyze
On 11/07/2012 12:58 PM, Scott Marlowe wrote:
My experience is that if autovac is causing problems with stalled
queries etc you're either A: running ancient pg versions (pre 8.3), B:
Running WAY too aggressive settings in autovac (100 threads, no nap
time, cost limit of 10 etc.) or C: Your
On Wed, Nov 7, 2012 at 3:53 PM, Scott Marlowe scott.marl...@gmail.comwrote:
Is there a comprehensive list of drives that have been tested on the
wiki somewhere? Our current choices seem to be the Intel 3xx series
which STILL suffer from the whoops I'm now an 8MB drive bug and the
very
On 11/07/2012 11:56 AM, Igor Neyman wrote:
The only 100% fool-proof test would be to restore from your backup files.
Regards,
Igor Neyman
Our internal process is to back up production databases regularly, and
then use the backups offsite to populate copies of databases for
developer use.
On 11/7/12 3:58 PM, Jeff Janes wrote:
WHERE nspname NOT IN ('pg_catalog', 'information_schema')
I question the wisdom of that where clause (from the wiki)
If the pg_catalog relations are big, then they are big and why
shouldn't they get reported as such? And if they are not
Jeff Janes jeff.ja...@gmail.com writes:
WHERE nspname NOT IN ('pg_catalog', 'information_schema')
AND C.relkind 'i'
AND nspname !~ '^pg_toast'
I question the wisdom of that where clause (from the wiki)
If the pg_catalog relations are big, then they are big and why
shouldn't they get
On Wed, Nov 7, 2012 at 1:58 PM, Scott Marlowe scott.marl...@gmail.com wrote:
On Wed, Nov 7, 2012 at 1:42 PM, Tom Lane t...@sss.pgh.pa.us wrote:
Lists li...@benjamindsmith.com writes:
... because it
occasionally causes transactions and queries to hang when an update
causes a vacuum mid-day,
On 11/7/2012 3:17 PM, Vick Khera wrote:
My most recent big box(es) are built using all Intel 3xx series
drives. Like you said, the 7xx series was way too expensive.
I have to raise my hand to say that for us 710 series drives are an
unbelievable bargain and we buy nothing else now for
On Wed, Nov 7, 2012 at 3:15 PM, Lists li...@benjamindsmith.com wrote:
On 11/07/2012 12:42 PM, Tom Lane wrote:
So you've turned off autovacuum, and are carefully not vacuuming the
system catalogs. That's your problem all right. Is there a
particularly good reason why this script isn't a
Hi tom
At frist I have thought that the database parsed my explain statement,
so the pre-compiled execution plan will be re-used , which made the
statement's second run quick.
I think that what you said is right.
Thank you
2012/11/7 Tom Lane t...@sss.pgh.pa.us
=?UTF-8?B?6auY5YGl?=
2012/11/7 Bruce Momjian br...@momjian.us:
On Tue, Nov 6, 2012 at 09:24:19AM +0100, Pavel Stehule wrote:
2012/11/6 Tianyin Xu t...@cs.ucsd.edu:
Thanks, Pavel!
I see. So the regress test cases are the complete functional testing? Am I
right?
yes
Those tests are hardly complete, as in
Hi all:
I want to see the explain plan for a simple query. My question is : How
is the cost calculated?
The cost parameter is:
random_page_cost= 4
seq_page_cost = 1
cpu_tuple_cost =0.01
cpu_operator_cost =0.0025
And the table and its index
Hi all:
What confused me is that: When I select data using order by clause, I got
the following execution plan:
postgres=# set session
enable_indexscan=true;
SET
postgres=# explain SELECT * FROM pg_proc ORDER BY
oid;
QUERY
PLAN
I was trying to find a substring on a text (data type) column like 'cat foo
dog ...'.
I use the query below
SELECT id FROM table WHERE name LIKE '% foo %';
Sometimes the query return with nTuples=0 but there are matching rows.
On retry, the query return with expected results. Any ideas;
(postgres
Hello
2012/11/8 pantelis vlachos vlacho...@gmail.com:
I was trying to find a substring on a text (data type) column like 'cat foo
dog ...'.
I use the query below
SELECT id FROM table WHERE name LIKE '% foo %';
Sometimes the query return with nTuples=0 but there are matching rows.
On retry,
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