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POWebSphere Portal - mem caching cannot be turned off in IHS
 

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    <p>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!</p> <p>But this is giving us endless nightmares mainly because everything, OS, WAS, WPS/WCM and IHS are all squeezed into a single box!!!.</p> <p>To cut the long story short, we are fire fighting the performance issue right now among other things.</p> <p>We tried to enable the <strong>disk caching</strong> but later found out the <strong>mem caching</strong> is also turned on, after reading the latest <a href="http://www-10.lotus.com/ldd/portalwiki.nsf/dx/IBM_WebSphere_Portal_V_8.0_Performance_Tuning_Guide" rel="nofollow" title="Portal Performance Tuning Guide v1.2">Portal Performance Tuning Guide v1.2</a>, it says both shall not be on at the same time, so we try to turn the <strong>mem caching</strong> off by commenting out the enitre block <code>&lt;IfModule mod_mem_cache.c&gt;</code>but result is that the <strong>disk caching</strong> is also turned off altogether.</p> <p>Here's the snippet of the httpd.conf:</p> <pre><code>LoadModule cache_module modules/mod_cache.so &lt;IfModule mod_cache.c&gt; LoadModule disk_cache_module modules/mod_disk_cache.so &lt;IfModule mod_disk_cache.c&gt; 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/ &lt;/IfModule&gt; LoadModule mem_cache_module modules/mod_mem_cache.so &lt;IfModule mod_mem_cache.c&gt; CacheEnable mem / CacheIgnoreHeaders Set-Cookie MCacheSize 1024000 MCacheMaxObjectCount 100000 MCacheMinObjectSize 1 MCacheMaxStreamingBuffer 6291456 MCacheRemovalAlgorithm GDSF MCacheMaxObjectSize 6291456 &lt;/IfModule&gt; &lt;/IfModule&gt; </code></pre> <p>How can I have disk caching on only?</p> <p>Any helps appreciated.</p>
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