2015777 - Slow performance is experienced sometimes while refreshing dashboard from BI launch Pad

• Slow performance is experienced sometimes while refreshing dashboard from BI launch Pad
• Found following trace log while costing more time than regular pattern
  ...
  DataProviderServiceImpl::prepare
  ================The following trace doesn't exist in regular refresh, but most of time is costed here=========================
  [unknown|unknown|ID:0][CS] CS Internal Configuration:
  [unknown|unknown|ID:0]
  [Node] ConnectionServer
    JavaDirectory = "C:/Program Files (x86)/SAP BusinessObjects/SAP BusinessObjects Enterprise XI 4.0//dataAccess/connectionServer/java"
    ConfigDirectory = "C:/Program Files (x86)/SAP BusinessObjects/SAP BusinessObjects Enterprise XI 4.0//dataAccess/connectionServer"
    ConfigFile = "cs.cfg"
    businessobjects.connectivity.directory = "C:/Program Files (x86)/SAP BusinessObjects/SAP BusinessObjects Enterprise XI 4.0//dataAccess/connectionServer"
    SetupDirectory = "C:/Program Files (x86)/SAP BusinessObjects/SAP BusinessObjects Enterprise XI 4.0//dataAccess/connectionServer/setup"
    DefaultLanguage = "en"
    ...
  [unknown|unknown|ID:0]com.sap.connectivity.cs.java.ConnectionServer{com.businessobjects.connectionserver.Environment}.<init>
  [unknown|unknown|ID:0]com.sap.connectivity.cs.extended.ConnectionServer{com.businessobjects.connectionserver.Environment}.<init>
  ENTER [unknown|unknown|ID:0]com.sap.connectivity.cs.extended.ConnectionServer{com.businessobjects.connectionserver.Environment}.JobProfile:
  [<networkLayer>|<DB Type>|ID:0]com.sap.connectivity.cs.library.JobDescriptor{com.businessobjects.connectionserver.JobDescriptor}.<init>
  ...
  =============================================================================
  QuerySpecDataProvider::get DataSourceHeader => create DSH
  ...

• SAP BusinessObjects Business Intelligence platform 4.x
• SAP BusinessObjects Business Dashboard 4.x

slow performance more time sometimes random randomly DataProviderServiceImpl::prepare CS Internal Configuration JobDescriptor initialization latency Maximum Number of Prestarted Children , KBA , BI-RA-XL , Obsolete: BusinessObjects Dashboards and Presentation Design , Problem