Hi all
I have a table with ca. 4Mio Rows.
here is my simple select-statement:
SELECT * FROM CUSTOMER WHERE CUSTOMER_ID=5
the result appears after about 27 sec.
what's wrong?
the same statement on mysql takes 1 milisec.
please help
here is the structur of the table
CREATE TABLE
On Wed, Nov 10, 2004 at 10:35:50AM +0100, Cao Duy wrote:
here is my simple select-statement:
SELECT * FROM CUSTOMER WHERE CUSTOMER_ID=5
It seems like you're missing an index on customer_id. Set it to PRIMARY KEY
or do an explicit CREATE INDEX (followed by an ANALYZE) and it should be a
lot
From: Cao Duy [EMAIL PROTECTED]
here is my simple select-statement:
SELECT * FROM CUSTOMER WHERE CUSTOMER_ID=5
the result appears after about 27 sec.
what's wrong?
...
CREATE TABLE public.customer
(
customer_id bigserial NOT NULL,
you do not specify version or show us
an explain
Am Mi, den 10.11.2004 schrieb Steinar H. Gunderson um 11:17:
On Wed, Nov 10, 2004 at 10:35:50AM +0100, Cao Duy wrote:
here is my simple select-statement:
SELECT * FROM CUSTOMER WHERE CUSTOMER_ID=5
It seems like you're missing an index on customer_id. Set it to PRIMARY KEY
or do an
On Wed, Nov 10, 2004 at 12:22:17PM +0100, Cao Duy wrote:
there is an index on customer_id
create table customer(
...
CONSTRAINT customer_pkey PRIMARY KEY (customer_id),
...
)
Oh, sorry, I missed it among all the foreign keys. :-) Anyhow, as others have
pointed out, try doing a select
On Nov 9, 2004, at 2:01 PM, Shane | SkinnyCorp wrote:
Thanks in advance for anything you can do to help.
The real issue is this, we have THE SAME queries taking anywhere from
.001 - 90.0 seconds... the server is using 98% of the available RAM at
all times (because of the persistant connections
Im PostgreSQL 7.2.2 / Linux 2.4.27 dual-processor Pentium III 900MHz,
we have this table:
create table testtable (id SERIAL PRIMARY KEY, coni VARCHAR(255), date
TIMESTAMP, direction VARCHAR(255), partner VARCHAR(255), type VARCHAR(255),
block VARCHAR(255) );
We using Java with JDBC-driver
On Nov 10, 2004, at 8:51 AM, Michael Kleiser wrote:
It is trunning in in 10 Threads. Each thread makes 100 Inserts:
For the 1000 Inserts (10 threads a 100 inserts)
we need 8 seconds.
That's 125 Insets / Seconds.
How could we make it faster ?
Batch the inserts up into a transaction.
So you'd have
couple of things
1) That is a fairly old version of postgres, there are considerable
performance improvements in the last 2 releases since, and even more in
the pending release.
2) If you are going to insert more rows than that, consider dropping the
index before, and recreating after the
Hi,
Try using parametrized prepared statements, does that make a difference? Or
does PGSQL jdbc not support them in your version?
--Tim
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Michael Kleiser
Sent: Wednesday, November 10, 2004 2:52 PM
To: Jeff
Which column would you recommend? Did something stick out at you?
On Tue, Nov 09, 2004 at 03:14:36PM -0800, Joshua D. Drake wrote:
opensims=#
I'd really like to avoid putting a 'set enable_seqscan=false' in my
code, especially since this query only has a problem if it's run on a
large
I'm looking for suggestions on tuning Solaris 9 for a SunFire 890 (Ultra
IV chips) connected to an Hitachi 9500V running PostgreSQL 7.4.
Database is approx 160GB in size with a churn of around 4GB per day (2
GB updated, 2GB inserted, very little removed). It's a mixture of OLTP
and reporting.
Hello all,
I am using tsearch2 to (imagine this... :) index a text field. There
is also a, for lack of a better name, classification field called
'field' that will be used to group certain rows together.
CREATE TABLE biblio.metarecord_field_entry (
record BIGINT REFERENCES
Mike Rylander wrote:
I want to create a multi-column index across the tsvector and classification
columns as that should help with selectivity. But because there is no
GiST opclass for INT4 the index creation complains thusly:
Install contrib/btree_gist along with contrib/tsearch2 to create
On Wed, 10 Nov 2004 18:50:28 -0800 (PST), George Essig
[EMAIL PROTECTED] wrote:
Mike Rylander wrote:
I want to create a multi-column index across the tsvector and classification
columns as that should help with selectivity. But because there is no
GiST opclass for INT4 the index creation
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