[GENERAL] Re: Slowdown problem when writing 1.7million records

2001-02-27 Thread Emmanuel Charpentier
Stephen Livesey wrote: I am very new to PostgreSQL and have installed v7.03 on a Red Hat Linux Server (v6.2), I am accessing the files using JDBC from a Windows 2000 PC. I have created a small file as follows: CREATE TABLE expafh ( postcode CHAR(8) NOT NULL, postcode_record_no INT,

Re: [GENERAL] Re: Slowdown problem when writing 1.7million records

2001-02-27 Thread Gordan Bobic
I am very new to PostgreSQL and have installed v7.03 on a Red Hat Linux Server (v6.2), I am accessing the files using JDBC from a Windows 2000 PC. I have created a small file as follows: CREATE TABLE expafh ( postcode CHAR(8) NOT NULL, postcode_record_no INT, street_name CHAR(30),

[GENERAL] Re: Slowdown problem when writing 1.7million records

2001-02-27 Thread Gregory Wood
43 hours? Ouch, that is quite a long time! I'm no expert by any means, but here are a few tips that I've picked up on this list that might help out: 1. The COPY command is blazing fast for importing, if you are certain your input is clean, this is the way to go. Read more about that here:

Re: [GENERAL] Re: Slowdown problem when writing 1.7million records

2001-02-27 Thread Marc SCHAEFER
Server (v6.2), I am accessing the files using JDBC from a Windows 2000 PC. I don't use Microsoft software, nor Java, but a few general suggestions for you: - you may want to create the INDEX at the end (using CREATE INDEX) in one operation - you may want to run your requests in

[GENERAL] Re: Slowdown problem when writing 1.7million records

2001-02-27 Thread Lincoln Yeoh
At 02:25 PM 27-02-2001 -0500, Tom Lane wrote: Is this sort of degradation normal using a PostgreSQL database? No, it's not. Do you have any triggers or rules on this table that I find slowdowns with inserts with rollbacks and updates with commits ( no triggers or rules) :(. But no