OBIEE 11.1.1 - Tune Oracle® HTTP Server (ohs) 11.1.1.x

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 Values

Suggested Values

MaxKeepAliveRequests

100

0

KeepAliveTimeout

5

15

KeepAlive

On

On

Timeout

300

6000

Parameters – Default Values

Suggested Values

# WinNT MPM (this MPM is for Windows Only
<IfModule mpm_winnt_module>
    ThreadsPerChild 150
    ListenBackLog   100
    MaxRequestsPerChild 0
</IfModule>

# WinNT MPM (this MPM is for Windows Only
<IfModule mpm_winnt_module>
    ThreadsPerChild  1048
    ListenBackLog    1000
    MaxRequestsPerChild 0
</IfModule>

#worker MPM (by default OHS use multithreaded mode in UNIX)
<IfModule mpm_worker_module>
 StartServers    2     
 MaxClients 150
 ListenBackLog 100
 MinSpareThreads 25
 MaxSpareThreads 75
 ThreadsPerChild 25
 MaxRequestsPerChild 0
 AcceptMutex fcntl
LockFile "${ORACLE®_INSTANCE}/diagnostics/logs/${COMPONENT_TYPE}/${COMPONENT_NAME}/http_lock"
</IfModule>

#worker MPM (by default OHS use multithreaded mode in UNIX)
<IfModule mpm_worker_module>
 StartServers    2     
 MaxClients 1024
 ListenBackLog 1000
 MinSpareThreads 25
 MaxSpareThreads 75
 ThreadsPerChild 64
 MaxRequestsPerChild 0
 AcceptMutex fcntl
LockFile "${ORACLE®_INSTANCE}/diagnostics/logs/${COMPONENT_TYPE}/${COMPONENT_NAME}/http_lock"
</IfModule>

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