On Sat, Aug 29, 2009 at 5:20 AM, Luke Koopsluke.ko...@entrust.com wrote:
Joseph S Wrote
If I have 14 drives in a RAID 10 to split between data tables
and indexes what would be the best way to allocate the drives
for performance?
RAID-5 can be much faster than RAID-10 for random reads and
On Fri, Aug 28, 2009 at 8:19 PM, Jeff Janesjeff.ja...@gmail.com wrote:
-- Forwarded message --
From: Joseph S j...@selectacast.net
To: Greg Smith gsm...@gregsmith.com, pgsql-performance@postgresql.org
Date: Fri, 28 Aug 2009 10:25:10 -0400
Subject: Re: What exactly is postgres
On Sat, Aug 29, 2009 at 2:46 AM, Greg Starkgsst...@mit.edu wrote:
On Sat, Aug 29, 2009 at 5:20 AM, Luke Koopsluke.ko...@entrust.com wrote:
Joseph S Wrote
If I have 14 drives in a RAID 10 to split between data tables
and indexes what would be the best way to allocate the drives
for
Jean-Michel Pour? wrote:
-- Start of PGP signed section.
Le jeudi 27 ao?t 2009 ? 14:05 -0400, Tom Lane a ?crit :
tom lane
Dear Tom,
Why is the query planner displaying ::integer
What does it mean?
::integer casts a data type to INTEGER. It is the same as CAST().
--
Bruce Momjian
Le samedi 29 août 2009 à 11:16 -0400, Bruce Momjian a écrit :
Why is the query planner displaying ::integer
What does it mean?
::integer casts a data type to INTEGER. It is the same as CAST().
In Drupal database, we have two types:
integer
int_unsigned
CREATE DOMAIN int_unsigned
AS
Jean-Michel =?ISO-8859-1?Q?Pour=E9?= j...@poure.com writes:
In Drupal database, we have two types:
CREATE DOMAIN int_unsigned
AS integer
CONSTRAINT int_unsigned_check CHECK ((VALUE = 0));
Why do queries cast between integer and int_unsigned?
That domain doesn't have any operators of its
On Sat, Aug 29, 2009 at 1:46 AM, Greg Starkgsst...@mit.edu wrote:
On Sat, Aug 29, 2009 at 5:20 AM, Luke Koopsluke.ko...@entrust.com wrote:
RAID-5 can be much faster than RAID-10 for random reads and writes. It is
much slower than
RAID-10 for sequential writes, but about the same for
Le samedi 29 août 2009 à 13:44 -0400, Tom Lane a écrit :
That domain doesn't have any operators of its own. To compare to
another value, or use an index, you have to cast it to integer which
does have operators. It's a no-op cast, but logically necessary.
Dear Tom,
Thanks for answering. On
Jean-Michel =?ISO-8859-1?Q?Pour=E9?= j...@poure.com writes:
What do you recommend: using normal types and moving constraints in the
Drupal database? Is PostgreSQL domain broken as it forces casting or is
this a no-op for performance?
In principle it should be an unnoticeable slowdown. In the
On Sat, Aug 29, 2009 at 10:45 PM, Tom Lanet...@sss.pgh.pa.us wrote:
Jean-Michel =?ISO-8859-1?Q?Pour=E9?= j...@poure.com writes:
What do you recommend: using normal types and moving constraints in the
Drupal database? Is PostgreSQL domain broken as it forces casting or is
this a no-op for
On Sat, Aug 29, 2009 at 6:26 AM, Merlin Moncure mmonc...@gmail.com wrote:
On Fri, Aug 28, 2009 at 8:19 PM, Jeff Janesjeff.ja...@gmail.com wrote:
-- Forwarded message --
From: Joseph S j...@selectacast.net
To: Greg Smith gsm...@gregsmith.com, pgsql-performance@postgresql.org
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