[PERFORM] SELECT LIMIT 1 VIEW Performance Issue

2005-06-14 Thread K C Lau
Hi All, I previously posted the following as a sequel to my SELECT DISTINCT Performance Issue question. We would most appreciate any clue or suggestions on how to overcome this show-stopping issue. We are using 8.0.3 on Windows. Is it a known limitation when using a view with SELECT ... LIMI

Re: [PERFORM] regular expression search

2005-06-14 Thread Christopher Kings-Lynne
Just read the docs in contrib/tsearch2 in the PostgreSQL distribution. Pierre A. Fortier wrote: I search for particular strings using regular expressions (e.g. where column ~* $query) through a text data type column which contains notes (some html code like bold is included). It works but my qu

Re: [PERFORM] Most effective tuning choices for busy website?

2005-06-14 Thread Mark Stosberg
Neil Conway wrote: > Mark Stosberg wrote: >> I've used PQA to analyze my queries and happy overall with how they are >> running. About 55% of the query time is going to variations of the pet >> searching query, which seems like where it should be going. The query is >> frequent and complex. It has

[PERFORM] regular expression search

2005-06-14 Thread Pierre A. Fortier
I search for particular strings using regular expressions (e.g. where column ~* $query) through a text data type column which contains notes (some html code like bold is included). It works but my question is whether there would be a way to speed up searches? >From my limited investigation, I see

Re: [PERFORM] System Requirement

2005-06-14 Thread Saranya Sivakumar
Hi,   Thanks for the advice on increasing RAM and switching to AMD processors.   To tell more about our DB: Our DB is transaction intensive. Interaction to the DB is through a web based application. Typically at any instant there are over 100 users using the application and we have customers  world

Re: [PERFORM] System Requirement

2005-06-14 Thread hubert depesz lubaczewski
On 6/13/05, Saranya Sivakumar <[EMAIL PROTECTED]> wrote: > 2 x 2.4 Ghz Intel Xeon CPU with HT(4 virtual CPUs) switch to amd opteron (dual cpu). for the same price you get 2x performance - comparing to xeon boxes. > RAM - 1GB you'd definitelly could use more ram. the more the better. > HDD - 3