Consultor Eletrônico



Kbase P14541: Slow performance on multi-processor machine due to not using -spin parameter
Autor   Progress Software Corporation - Progress
Acesso   Público
Publicação   19/12/2008
Status: Verified

SYMPTOM(s):

CorVu and slow performance

Performance is slow via 4GL as well as SQL92 clients

Progress patch 9.1C25

Performance degradation when waiting for results from server.

Buffer Hit rate not in recommended range of 95% or higher

Using multi-processor machine with ample RAM but still have slow performance.

FACT(s) (Environment):

Windows 2000
Progress 9.1C

CAUSE:

Not making use of multiple processors as they are not running with -spin parameter.

FIX:

Modify database startup parameters per following recommendations:

1. Increase -B (due to 82% Buffer Hit Rate)
2. Add -spin for locking and blocked clients based on output from promon.