CODEWITHSUNDEEP
apacheapache2websphere-portalmod-cache
Chris
Chris

Reputation: 657

WebSphere Portal - mem caching cannot be turned off in IHS

We are going to launch a brand new public site using WebSphere Portal solution, the whole incentive adopting this piece of crap was the WYSIWYG editing feature that comes with WCM for non-IT departments when it comes to content authoring. Department head loves it!

But this is giving us endless nightmares mainly because everything, OS, WAS, WPS/WCM and IHS are all squeezed into a single box!!!.

To cut the long story short, we are fire fighting the performance issue right now among other things.

We tried to enable the disk caching but later found out the mem caching is also turned on, after reading the latest Portal Performance Tuning Guide v1.2, it says both shall not be on at the same time, so we try to turn the mem caching off by commenting out the enitre block <IfModule mod_mem_cache.c>but result is that the disk caching is also turned off altogether.

Here's the snippet of the httpd.conf:

LoadModule cache_module modules/mod_cache.so 
<IfModule mod_cache.c>
LoadModule disk_cache_module modules/mod_disk_cache.so
<IfModule mod_disk_cache.c>
CacheRoot /opt/IBM/HTTPServer/ihsCache
CacheDirLevels 2
CacheDirLength 1
CacheIgnoreHeaders Set-Cookie
CacheMaxFileSize 1000000
CacheMinFileSize 1
CacheIgnoreNoLastMod On
CacheIgnoreQueryString Off
CacheLastModifiedFactor 0.1
CacheStoreNoStore Off
CacheStorePrivate Off
CacheDisable /wps/myportal/
CacheDisable /wps/mycontenthandler/
CacheDisable /wps/wcm/mycontent/
CacheEnable disk /wps/portal/
CacheEnable disk /wps/contenthandler/
CacheEnable disk /wps/wcm/content/
CacheEnable disk /wps/PA_
CacheEnable disk /mum/css/
CacheEnable disk /portal_dojo/
CacheEnable disk /DojoToolkit/
CacheEnable disk /EnhancedTheme/themes/
CacheEnable disk /wps/themeModules/themes/
CacheEnable disk /wps/defaultTheme80/themes/
</IfModule>
LoadModule mem_cache_module modules/mod_mem_cache.so    
<IfModule mod_mem_cache.c> 
    CacheEnable mem / 
    CacheIgnoreHeaders Set-Cookie 
    MCacheSize 1024000 
    MCacheMaxObjectCount 100000 
    MCacheMinObjectSize 1 
    MCacheMaxStreamingBuffer 6291456 
    MCacheRemovalAlgorithm GDSF
    MCacheMaxObjectSize 6291456
</IfModule>
</IfModule>

How can I have disk caching on only?

Any helps appreciated.

Upvotes: 1

Views: 779

Answers (1)

Chris
Chris

Reputation: 657

Found a solution after reading mod_cache not working

Adding CacheEnable disk / under <IfModule mod_disk_cache.c> works!

Upvotes: 0

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