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performance problems

This is a discussion on performance problems within the Pgsql Performance forums, part of the PostgreSQL category; --> Hi, I have performance problems with the postmaster-process. The CPU usage is permanently around 90 %. My DB: 3,5 ...


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Old 04-18-2008, 11:13 AM
Michael Zoephel
 
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Default performance problems

Hi,

I have performance problems with the postmaster-process. The CPU usage is permanently
around 90 %.

My DB:

3,5 GB Size
largest table ca. 700 000 rows

Most access:

Finde a row - Update if exist Insert else

Average access:

10 times a second

every Query needs ca. 20 ms


All server options are still default !!

Any idea on wich "screw" I can turn ?.


Thanks for suggestions!


Michael Zöphel

e-Mail: zoephel@rechnerbetriebsgruppe.de

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