Re: Disappointing performance in db migrated from MS SQL Server - Mailing list pgsql-performance

From PC Drew
Subject Re: Disappointing performance in db migrated from MS SQL Server
Date
Msg-id 6A6E0DC6-5D8B-11D8-8356-000A95EA00C0@ibsncentral.com
Whole thread Raw
In response to Disappointing performance in db migrated from MS SQL Server  (Leon Out <leon-lists@comvision.com>)
List pgsql-performance
Please run your largest (worst) queries using EXPLAIN ANALYZE and send
in the results so we can see how the queries are being executed &
optimized.

On Feb 12, 2004, at 11:29 AM, Leon Out wrote:

> Hello all. I am in the midst of porting a large web application from a
> MS SQL Server backend to PostgreSQL. The migration work is basically
> complete, and we're at the testing and optimization phase of the
> project. The results so far have been disappointing, with Postgres
> performing queries in about the same time as SQL Server even though
> Postgres is running on a dedicated box with about 4 times the clock
> speed of the SQL Server box. For a chart of my results, please see
> http://leonout.com/pggraph.pdf for a graph of some test results.
>

--
PC Drew
Manager, Dominet

IBSN
1600 Broadway, Suite 400
Denver, CO 80202

Phone: 303-984-4727 x107
Cell: 720-841-4543
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Email: drewpc@ibsncentral.com


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