IBM 6.1.X manual ThreadLimit ServerLimit

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Web Server Tuning

Table 26: Web Server Tuning for Clusters

Parameter			Setting Used

ThreadLimit			25

ServerLimit			180

StartServers			2

MaxClients			4500

MinSpareThreads			25

MaxSpareThreads			4500

ThreadsPerChild			25

MaxRequestsPerChild			0

Sample configuration:
<IfModule worker.c>
ThreadLimit	25
ServerLimit	180
StartServers	2
MaxClients	4500
MinSpareThreads		25
MaxSpareThreads		4500
ThreadsPerChild		25

MaxRequestsPerChild 0 </IfModule>

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W E BS P HE R E P O R T AL V 6 . 1 T U N I N G G U I D E

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Contents IBM WebSphere Portal software family Your world. Your way IBM WebSphere PortalContents Web Server Tuning Portlet Caching General Information Figures About this Document Performance Tuning Overview Environment Considerations Base Portal Tuning How to get to Admin Console Application Server TuningLinux Solaris Windows Parameter2003 Initial 1792 2048POWER5 Parameter Value Additional Information New Area Size Xmn320m Xmn256m Xmn768m Xmn1024mWeb Container Thread pool Size TimeoutSession Minutes Propagation Name ValueContext Pool Setting Default Value How to SetDefault Value Definition Used WebSphere Portal ServicesG I S T R Y S E R V I C E Cache Name Default Value Value UsedDatabase Database name Datasource name Database Tuning2 O N a I X S E T U P Db2 reorgchk update statistics on table all Db2 reorgchk current statistics on table all reorgchk.txt A C L E D a T a B a S E S E R V E R T U N I N G Parameter Value AIXTHREADSCOPE=SExecute Db2 update db config for idsldap using dbheap Directory Server TuningLinux Windows Additional Information Web Server TuningMinSpareThreads MaxSpareThreads Operating System Tuning N U T W O R K T U N I N G How-to-Setndd -set /dev/tcpPARAMETER Value L a R I S C O N T a I N E R Maxthreadtasks Required FixesNavigator Service Properties WEB 2.0 Theme TuningParameter Setting Used JVM Initial and Maximum Heap SizeInternet Explorer Support of Vary Header Caching Proxy TuningParameter Setting Used Additional Information # set cache-control public for various static content # uncommented these to enable statics to be cachedExpiresActive On Portlet CachingRelease DB Parameter Many Pages TuningDB2 Database Tuning Cache Manager Service WEB Content Management Tuning Cache Name WebSphere Portal Service PropertiesWCM Object Cache JCR Text Search WCM Configuration ServiceDB2 Tuning Authoring Environment DB2 BP4 Cache Manager Service Properties Composite Applications TuningComposite Applications Best Practices BS P HE R E P O R T AL V 6 T U N I N G G U I D E Value true Cluster TuningHow-To Set ThreadLimit ServerLimit Parameter Setting Additional Details Session Persistence To Database TuningVertical Cluster Tuning IBM Tivoli Directory Server Tuning Improving Portal Startup Performance Other Performance Tuning OptionsManaging the Retrieval of User Attributes BS P HE R E P O R T AL V 6 T U N I N G G U I D E Use of Dynamic Content Features Real-World Network Considerations BrowserMatch Mozilla/4 gzip-only-text/html General Information Websphere Portal CachesBS P HE R E P O R T AL V 6 T U N I N G G U I D E BS P HE R E P O R T AL V 6 T U N I N G G U I D E Pattern invalidation checking Cache Usage PatternsCache Instances Com.ibm.wps.ac.PermissionCollectionCache Portal Access Control Cache HierarchyCom.ibm.wps.ac.ProtectedResourceCache Com.ibm.wps.ac.AccessControlUserContextCacheCom.ibm.wps.ac.OwnedResourcesCache Com.ibm.wps.ac.RolesCacheCom.ibm.wps.ac.ExternalOIDCache Com.ibm.wps.ac.ApplicationRoleDescriptorCache Com.ibm.wps.ac.ChildResourcesCacheCom.ibm.wps.ac.ApplicationRoleOIDCache Com.ibm.wps.ac.ContainedRolesCache Com.ibm.wps.ac.ApplicationRolesForPrincipalCacheCom.ibm.wps.ac.ApplicationRoleChildrenCache Com.ibm.wps.puma.DNOIDCache / com.ibm.wps.puma.OIDDNCacheCom.ibm.wps.datastore.pageinstance.OIDCache Com.ibm.wps.datastore.PortalIdCache.vpPerLpid.cacheCom.ibm.wps.datastore.PortalIdCache.explicitLpidPerVP Com.ibm.wps.datastore.pageinstance.DynamicNodeCache Com.ibm.wps.datastore.pageinstance.DerivationCacheCom.ibm.wps.model.factory.SimpleCacheKey Com.ibm.wps.model.content.impl.ResourceCacheCom.ibm.wps.model.factory.ContentModelCache.live Com.ibm.wsp.mode.content.impl.TopologyCacheCom.ibm.wps.model.factory.URLMappingCache.live Com.ibm.wps.model.factory.ContentModelCache.isolatedCom.ibm.wps.model.factory.URLMappingCache.isolated Com.ibm.wps.model.content.impl.DynamicLoadCacheCom.ibm.wps.model.factory.MultiModelCache.live Com.ibm.wps.model.factory.MultiModelCache.isolatedCom.ibm.wps.model.impl.RuntimeClientMap.userAgent2client Com.ibm.wps.services.vpmapping.VirtualPortalIDToRealmCacheWps.mappingurl.ContextsCache Wps.mappingurl.LookupCacheWsrp.cache.portletdescription Com.ibm.wps.services.vpmapping.VirtualPortalIDToURLCacheCom.ibm.wps.services.vpmapping.URLToVirtualPortalIDCache Wsrp.cache.portlet.instance Wsrp.cache.servicedescriptionWsrp.cache.producer.user Wsrp.cache.portlet.windowWsrp.producer.portletpool.ccps Wsrp.producer.portletpool.popsProcessintegration.PendingTasksCache Wp.te.transformationAssociationCacheCom.ibm.wps.policy.services.UserPolicyNodeCacheManager Com.ibm.wps.policy.services.PolicyCacheManagerCom.lotus.cs.services.domino.DominoService Com.lotus.cs.services.directory.wmm.WMMDirectoryServiceCom.lotus.cs.services.UserEnvironment PortletMenuCache Wp.xml.configitemsCom.ibm.wps.pe.portletentity Com.ibm.workplace.searchmenu.helper.SearchMenuCacheHelper RegistryServiceExample Scenarios BS P HE R E P O R T AL V 6 T U N I N G G U I D E R T a L S W I T H L O N G S E S S I O N T I M E O U T S BS P HE R E P O R T AL V 6 T U N I N G G U I D E Services/cache/iwk/strategy WCM Item caching WEB Content Management CachesServices/cache/iwk/objectsummary WCM Summary WCM Cache InstancesServices/cache/iwk/session Session Services/cache/iwk/moduleServices/cache/iwk/processing Advanced and Resour ces Services/cache/iwk/nav Navigator Services/cache/iwk/menu MenuServices/cache/iwk/abspath Absolute path Services/cache/iwk/missed Missed ItemsUser cache Services/cache/iwk/libparent Library ParentServices/cache/iwk/draftSummary Draft Summary Appendix A. References Lee Backstrom, Document Coordinator Mark Alkins, ManagerBS P HE R E P O R T AL V 6 T U N I N G G U I D E