I referred chapter 14.3 of postgres document version 9.0.
explicit joins help the planner in planninng thus improve performance.
On what relations are explicit joins to be added??
I am getting data from 10 tables in a view.
I don't know on which pair of tables I have to add explicit joins to
I did the hot standby configured earlier and at that time I started
using(querying) the standby database.
May be something missed on the archive command.
On Wed, May 4, 2011 at 8:44 PM, Josh Berkus j...@agliodbs.com wrote:
While doing so I got the *Query failed ERROR: catalog is missing 1
On Thu, May 5, 2011 at 1:02 AM, Josh Berkus j...@agliodbs.com wrote:
FWIW, EnterpriseDB's InfiniCache provides the same caching benefit. The
way that works is when PG goes to evict a page from shared buffers that page
gets compressed and stuffed into a memcache cluster. When PG determines
Rishabh Kumar Jain rishabh.w...@yahoo.com wrote:
I am getting data from 10 tables in a view.
I don't know on which pair of tables I have to add explicit joins
to improve performance.
There's usually some fairly natural order in terms of understanding
the request. I find it's often good to
We have a generated query from our web application which takes far longer to
complete in 9.0.4, than in 8.3.7 (60sec in 9.0.4 ~10sec in 8.3.7)
The query plan generated in 9.0, includes a Materialize step which takes the
bulk of the time for the query. If I disable materialize (by running set
On Sat, Apr 30, 2011 at 4:51 AM, Hsien-Wen Chu chu.hsien@gmail.com wrote:
since the block size is 8k for the default, and it consisted with many
tuple/line; as my understand, if any tuple/line is changed(maybe
update, insert, delete). the block will be marked as dirty block. and
then it
Didik Prasetyo prasetyodidi...@yahoo.com wrote:
I had a problem with performance engine database, I use the server
with the following specifications
1. its storage configuration?
Storage SCSI 15K RAID 5
2. how his network?
2 gigabit bonding.
3. type / behavior of
Here is the explain analyze output for when enable_material is 'off' and
information on the postgresql version, settings and server configuration (I
had to send a follow up email due the length of email restrictions on the
mailing list.)
(I apologize for the length of these email messages. And if
Hey Brian,
Brian Connolly wrote:
(I had to send a follow up email due the length of email restrictions on the
mailing list.)
A tip for when you have this problem in the future -- turn off html mail.
It will reduce your email message length by 50% - 90%.
HTH
Bosco.
--
Sent via
Brian Connolly bc...@labkey.com writes:
Any help that you can provide would be greatly appreciated.
I'd suggest trying to get rid of the weird little subselects, like this
one:
... SELECT * FROM assayresult.c69d129_particle_size_result_fields
WHERE (((SELECT Container FROM exp.Data WHERE
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