Oracle ORACLE9I B10508-01 Installation Manual page 151

Performance Considerations
You should have prior experience tuning the performance of the OpenVMS
.
operating system For general information on OpenVMS performance, see the
OpenVMS Performance Management Manual at the following URL:
http://www.openvms.compaq.com:8000/73final/6491/6491pro.html
Recommendations for improving performance on a Oracle HTTP Server are
provided below and in the Release Notes:
Limits and Quotas
The following table shows sample values for the ORACLE Account from a working
and exercised Oracle HTTP Server with a light to moderate load
presented as an example of a system performing well within its context
should experience performance difficulties, refer to this table for guidelines in
.
making adjustments
experience, need to be increased as load increases
values will be appropriate for all situations.
Table D–1 Sample Values for the ORACLE Account
Parameter
ASTLM (NonPooled)
Total number of asynchronous
system trap (AST) operations and
scheduled wake-up requests the
user can have queued at one time
BIOLM (NonPooled)
Number of outstanding buffered
I/O operations permitted for a
user's process
BYTLM (Pooled)
Amount of buffer space a user's
process can use
CHANNELCNT
For heavier loads, we point out which values, in our
Default
250
150
64000
256
Apache Server Installation/Configuration D-5
Running the Oracle HTTP Server on OpenVMS
.
.
Keep in mind that no one set of
On Hewlett-Packard Web Server
610
Or BIOLM + DIOLM + 10
300
You might also need to increase the
SYSGEN parameter CHANNELCNT
because it limits BIOLM,DIOLM, and
FILLM.
200000
Increase this value for a heavy load.
FILLM and CHANNELCNT should be
increased to match each other.
These values are
.
If you