A vanilla OBIEE does not include OHS. It's a standard product. So...
I am not able to find httpd.conf file to tune the ohs ..
...why?! The web server is more or less the last thing you tune to get performance.
thanks you Chris..so should I conclude that I can't find httpd.conf file?
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As Christian said, OHS isn't part of OBIEE 12c. It's a different product which you have to install separately if you need it.
...so should I conclude that I can't find httpd.conf file?
If you didn't install OHS that's a right conclusion.
The question is more why are you looking to tune something in a webserver .... Are you just randomly following tuning guides or are you trying to fix a real issue?
Why do you want the httpd.conf? What are you trying to achieve?
"tuning" isn't an answer. As I said the web server is normally the least of your issues. If you start there then you're definitely beginning at the wrong point and if you want to do it "because you've seen it in some document" then it's even worse.
Performance must be regarded end-to-end; fact-based and evidence-driven!
Thank you ..why I am insisting because there is a seperate section dedixated to OHS tunning in the Doc ID 2106183.1 foe 12c
2.4.2 Oracle® HTTP Server (OHS) Tuning
Oracle® HTTP Server uses directives in httpd.conf file. The directives for each Multi-
Processing Module (MPM) type are defined in the httpd.conf file. The default MPM
type is Worker MPM.
Parameters Default Value Suggested Value
WHY do you want to set that? WHY?
If you don't own a car you won't start reading a manual about engine tuning either, right?
I see your point now . Thank you.