Markus Schiltknecht [EMAIL PROTECTED] writes:
Uh.. can you elaborate on that? AFAICS, you would simply have to query
multiple btree indexes and make sure non of them is violated.
That only works for the partition-key indexes, ie, ones where you can be
sure a-priori that there cannot be
Heikki Linnakangas [EMAIL PROTECTED] wrote:
Itagaki, would you like to take a stab at this?
Yes, I'll try to fix the mdsync problem. I'll separate this fix from LDC
patch. If we need to backport the fix to the back branches, a stand-alone
patch would be better.
In my understanding from the
Tatsuo Ishii [EMAIL PROTECTED] writes:
The patches look good to me.
Please commit whatever you think is reasonable.
BTW, is anybody working on enabling the fill factor to the tables used
by pgbench? 8.3 will introduce HOT, and I think adding the feature
will make it easier to test HOT.
I'm
ITAGAKI Takahiro [EMAIL PROTECTED] writes:
In my understanding from the discussion, we'd better to take cycle ID
approach instead of making a copy of pendingOpsTable, because duplicated
table is hard to debug and requires us to pay attention not to leak memories.
I'll adopt the cycle ID
Hi,
On Fri, 2007-04-06 at 01:23 -0400, Matthew T. O'Connor wrote:
The other thing to consider is that CentOS 5 has Xen built right in,
so you should be able run VMs without VMWare on it.
... if the kernel of the OS has Xen support, there will be no
performance penalty (only 2%-3%)
Hi,
I want to get the coding details regarding postgres optimizer. Essentially,
which files correspond to which functions, how the algo is implemented, the
flow etc.. Where can I find this material ?
Also, how to I start changing Postgres Code using eclipse platform (with
tracing, debug
Martijn van Oosterhout wrote:
So your implemntation is simply:
1. Take number and make UTF-8 string
2. Convert it to database encoding.
Aah, now I can spot where the misunderstanding is.
That's not what I mean.
I mean that chr() should simply 'typecast' to char.
So when the database encoding
On 4/6/07, Larry Rosenman ler@lerctr.org wrote:
I am willing to run any X86 or X64 OS's in VM's as buildfarm clients.
What OS's do we need coverage for?
Cannot say about OS, but could you run it with
Python 2.5? 64bit interface changed there and it
would be interesting to see if it still
Suresh wrote:
Hi,
I want to get the coding details regarding postgres optimizer.
Essentially, which files correspond to which functions, how the algo is
implemented, the flow etc.. Where can I find this material ?
Maybe start with the docs, there a good section on optimization:
On Fri, 2007-04-06 at 01:56 -0400, Tom Lane wrote:
Markus Schiltknecht [EMAIL PROTECTED] writes:
Uh.. can you elaborate on that? AFAICS, you would simply have to query
multiple btree indexes and make sure non of them is violated.
That only works for the partition-key indexes, ie, ones
Simon Riggs [EMAIL PROTECTED] writes:
If we partition on invoice_date only, there is an implication that
people will search for invoices on date range only too, otherwise why
not just partition on invoice_id. This still works with the compound key
approach.
Well there are practical problems
Devrim Gündüz wrote:
Hi,
On Fri, 2007-04-06 at 01:23 -0400, Matthew T. O'Connor wrote:
The other thing to consider is that CentOS 5 has Xen built right in,
so you should be able run VMs without VMWare on it.
... if the kernel of the OS has Xen support, there will be no
performance penalty
Hi,
... if the kernel of the OS has Xen support, there will be no
performance penalty (only 2%-3%) (Para-virtualization). Otherwise, there
will be full-virtualization, and we should expect a performance loss
about 30% for each guest OS (like Windows).
I may be wrong but I thought that the
(But that sounds rather like pie in the sky, actually. Which other
databases can do that, and how do they do it?)
Oracle does it, by building a big index. Few people use it.
And others allow a different partitioning strategy for each index,
but that has the same problem of how to remove
On Thu, Apr 05, 2007 at 06:28:39PM -0500, Larry Rosenman wrote:
I might use that as the base then, since the hardware finishes getting here
tomorrow.
My question still stands on what OS's we need coverage for.
I can provide coverage of SuSE Enterprise 9/10 on i386/x86_64. I just
filled out
On Fri, 6 Apr 2007, Tatsuo Ishii wrote:
1) latency log file format extention looks usefull (-x option).
2) it seems the cleanup feature (-X option) was withdrawed by the
author, but the patches still include the feature. So I'm confused.
The patch I sent to the mailing list pulled
Patch committed. Thanks.
--
Tatsuo Ishii
SRA OSS, Inc. Japan
The attached is a patch to optimize contrib/pgbench using new 8.3 features.
- Use DROP IF EXISTS to suppress errors for initial loadings.
- Use a combination of TRUNCATE and COPY to reduce WAL on creating
the accounts table.
On Fri, 2007-04-06 at 12:47 +0200, Zeugswetter Andreas ADI SD wrote:
What I think we would like to have is putting the append nodes into an
order that allows removing the sort node whenever that can be done.
And
maybe a merge node (that replaces the append and sort node) that can
merge
On Fri, 6 Apr 2007, Matthew O'Connor wrote:
Devrim G??nd??z wrote:
Hi,
On Fri, 2007-04-06 at 01:23 -0400, Matthew T. O'Connor wrote:
The other thing to consider is that CentOS 5 has Xen built right in,
so you should be able run VMs without VMWare on it.
... if the kernel of the OS has Xen
Simon Riggs wrote:
i.e. if we have partitions for each year (2001, 2002, 2003 2004, 2005,
2006, 2007) AND we have already proved that 2005 is excluded when we
have a WHERE clause saying year = 2006, then we should be able to use
the ordering to prove that partitions for 2004 and before are also
Larry Rosenman wrote:
It doesn't matter as far as MY box is concerned. I use VMWare
extensively
in my current $DAYJOB, and I want to be able to test/play with things
related
to that as well. The box I'm building will be using the (free) VMWare
Server
as it's virtualization platform.
I'd
Andrew Dunstan wrote:
Larry Rosenman wrote:
It doesn't matter as far as MY box is concerned. I use VMWare
extensively
in my current $DAYJOB, and I want to be able to test/play with things
related
to that as well. The box I'm building will be using the (free) VMWare
Server
as it's
Zeugswetter Andreas ADI SD wrote:
(But that sounds rather like pie in the sky, actually. Which other
databases can do that, and how do they do it?)
Oracle does it, by building a big index. Few people use it.
And others allow a different partitioning strategy for each index,
but that has the
On Fri, 6 Apr 2007, Andrew Dunstan wrote:
Larry Rosenman wrote:
It doesn't matter as far as MY box is concerned. I use VMWare extensively
in my current $DAYJOB, and I want to be able to test/play with things
related
to that as well. The box I'm building will be using the (free) VMWare
On Fri, 6 Apr 2007, Stefan Kaltenbrunner wrote:
Andrew Dunstan wrote:
Larry Rosenman wrote:
It doesn't matter as far as MY box is concerned. I use VMWare
extensively
in my current $DAYJOB, and I want to be able to test/play with things
related
to that as well. The box I'm building will be
VMWare Server is indeed a fine product, which I use extensively.
I am not sure what our Windows support is like for x86_64. Magnus has
one for MSVC (for which buildfarm support is nearly done, but not
quite). But I don't see one for MinGW. OTOH, Windows is not free (in
either sense) and
--- Original Message ---
From: Stefan Kaltenbrunner [EMAIL PROTECTED]
To: Andrew Dunstan [EMAIL PROTECTED]
Sent: 06/04/07, 15:33:20
Subject: Re: [HACKERS] What X86/X64 OS's do we need coverage for?
yeah improving windows coverage might be a nice thing - some other
I'm awaiting
Tom Lane wrote:
(1) something (still not sure what --- Martin and Mark, I'd really like
to know) was issuing random SIGTERMs to various postgres processes
including autovacuum.
This may be a misfeature in our test harness - I'll ask Stuart Bishop to
comment.
Mark
On 4/5/07, Bruce Momjian [EMAIL PROTECTED] wrote:
Nikolay Samokhvalov wrote:
[...]
If I am wrong and it's better to leave libxml2-free capabilities, then
IMHO
we need to reflect it explicitly in the docs, what requires libxml2, and
what doesn't
Agreed, let's do the later and update the
Mark Shuttleworth wrote:
Tom Lane wrote:
(1) something (still not sure what --- Martin and Mark, I'd really like
to know) was issuing random SIGTERMs to various postgres processes
including autovacuum.
This may be a misfeature in our test harness - I'll ask Stuart Bishop to
comment.
But if we could find a way to represent that it would make a lot of common use
cases much more convenient to use.
(But that sounds rather like pie in the sky, actually. Which other
databases can do that, and how do they do it?)
Oracle does it, by building a big index. Few people use it.
Larry Rosenman ler@lerctr.org writes:
I'd still like to hear from a Tom Lane or someone else on the project with
what
X86 or X86_64 OS's we need coverage for.
FWIW, I think we are more in need of coverage of different configure-option
sets than of OS's per se.
On Fri, Apr 06, 2007 at 09:22:55AM -0700, Joshua D. Drake wrote:
The people that use it are the people stuck by dogmatic rules about
every table must have a primary key or every logical constraint
must be protected by a database constraint. Ie, database shops run
by the CYA principle.
Or
David Fetter wrote:
On Fri, Apr 06, 2007 at 09:22:55AM -0700, Joshua D. Drake wrote:
The people that use it are the people stuck by dogmatic rules about
every table must have a primary key or every logical constraint
must be protected by a database constraint. Ie, database shops run
by the CYA
Stuart Bishop [EMAIL PROTECTED] writes:
After a test is run, the test harness kills any outstanding connections so
we can drop the test database. Without this, a failing test could leave open
connections dangling causing the drop database to block.
Just to make it perfectly clear: we don't
Tom Lane wrote:
FWIW, I think we are more in need of coverage of different configure-option
sets than of OS's per se.
If someone would like to put together a list of gaps we can see what we
can do about it.
For anyone who wants the data on what is being built currently, the
dashboard
[ redirecting to -hackers for wider comment ]
Zdenek Kotala [EMAIL PROTECTED] writes:
Tom Lane wrote:
LET_OS_MANAGE_FILESIZE is good way. I think one problem of this option I
fixed. It is size of offset. I went thru the code and did not see any
other problem there. However, how you
David Fetter wrote:
On Fri, Apr 06, 2007 at 09:22:55AM -0700, Joshua D. Drake wrote:
The people that use it are the people stuck by dogmatic rules about
every table must have a primary key or every logical constraint
must be protected by a database constraint. Ie, database shops run
Hi
Does anyone know if pgsnmpd is still actively developed?
The last version (0.1b1) is about 15 months old.
greetings, Florian Pflug
---(end of broadcast)---
TIP 5: don't forget to increase your free space map settings
Florian G. Pflug wrote:
Hi
Does anyone know if pgsnmpd is still actively developed?
The last version (0.1b1) is about 15 months old.
there seems to be quite a lot of work going on in the cvs tree:
http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgsnmpd/pgsnmpd/
so i would guess it is still
On Fri, 2007-04-06 at 16:08 +0200, Markus Schiltknecht wrote:
Simon Riggs wrote:
i.e. if we have partitions for each year (2001, 2002, 2003 2004, 2005,
2006, 2007) AND we have already proved that 2005 is excluded when we
have a WHERE clause saying year = 2006, then we should be able to use
Florian G. Pflug wrote:
Hi
Does anyone know if pgsnmpd is still actively developed?
The last version (0.1b1) is about 15 months old.
It is.
There is a team (Josh Tolley, me and Hiroshi Saito) working for RFC 1697
compliance. When that's done, there are some other additions in the
pipeline.
Tom Lane wrote:
[ redirecting to -hackers for wider comment ]
Zdenek Kotala [EMAIL PROTECTED] writes:
Tom Lane wrote:
LET_OS_MANAGE_FILESIZE is good way. I think one problem of this option I
fixed. It is size of offset. I went thru the code and did not see any
other problem there. However,
Hi,
When using views built with left joins, and then querying against these
views, there are a lot of join in the plan that are not necessary, because I
don't select/use any column of each table in the views every time. Tables
that are left joined and never referenced anywhere else in the query
Zdenek Kotala [EMAIL PROTECTED] writes:
It sounds good. There is one think for clarification (for the present).
How to handle buffile? It does not currently support non segmented
files. I suggest to use same switch to enable/disable segments there.
Do you think it really matters?
=?ISO-8859-1?Q?Ott=F3_Havasv=F6lgyi?= [EMAIL PROTECTED] writes:
When using views built with left joins, and then querying against these
views, there are a lot of join in the plan that are not necessary, because I
don't select/use any column of each table in the views every time. Tables
that
Hi,
I am having trouble with fixing my code for this recent varlena patch:
http://archives.postgresql.org/pgsql-committers/2007-04/msg00081.php
My module is fulldisjunctions.
I have several problems but first i wish to address the following.
This is an excerpt from my code:
newtset-tids = (bytea
Tzahi Fadida [EMAIL PROTECTED] writes:
This is an excerpt from my code:
newtset-tids = (bytea *) fastgetattr(tupleTSet, LABELS_ALIGNED,
fctx-tupleSetDesc, isnull);
It seems that for an empty bytea (only the size of the header), i get that
VARSIZE(newtset-tids)==534765440
instead of
Tom Lane wrote:
=?ISO-8859-1?Q?Ott=F3_Havasv=F6lgyi?= [EMAIL PROTECTED] writes:
When using views built with left joins, and then querying against these
views, there are a lot of join in the plan that are not necessary, because I
don't select/use any column of each table in the views every
Gurjeet Singh [EMAIL PROTECTED] writes:
Please find attached the latest version of the patch. It applies cleanly on
REL8_2_STABLE.
The interface to the planner in this seems rather brute-force. To run
a plan involving a hypothetical index, you have to make a bunch of
catalog entries, run the
Hi all,
Would it be acceptable to invoke pg_ctl in the API functions to stop and
restart the server?
thanks
Aleksis Petrov [EMAIL PROTECTED] writes:
Would it be acceptable to invoke pg_ctl in the API functions to stop and
restart the server?
No. Not everyone uses pg_ctl for that.
regards, tom lane
---(end of broadcast)---
TIP
Via signal handling? Use the kill() function (or its pg equivalent) to send
the appropriate signal?
On 4/6/07, Tom Lane [EMAIL PROTECTED] wrote:
Aleksis Petrov [EMAIL PROTECTED] writes:
Would it be acceptable to invoke pg_ctl in the API functions to stop and
restart the server?
No. Not
Mark Kirkwood wrote:
I'm seeing a segfault on a size TPC-H size 10 database. The patch and
code are:
- bitmap patch from 12 Mar
- 8.3 dev from 27 Mar
SELECT count(distinct(o_orderkey))
FROM orders orders_alias
WHERE o_orderpriority IN ('1-URGENT', '3-MEDIUM') AND o_orderstatus='P';
(gdb) bt
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