Table of Contents Scaling Oracle Tuxedo CORBA Applications About Scaling Oracle Tuxedo CORBA Applications Application Scalability Requirements Oracle Tuxedo Scalability Features Using Object State Management CORBA Object State Models Method-bound Objects Process-bound Objects Transaction-bound Objects Implementing Stateless and Stateful Objects About Stateless and Stateful Objects When to Use Stateless Objects When to Use Stateful Objects Parallel Objects Replicating Server Processes and Server Groups About Replicating Server Processes and Server Groups Configuration Options Replicating Server Processes Benefits Guidelines Replicating Server Groups Using Multithreaded Servers About Multithreaded CORBA Servers When to Use Multithreaded CORBA Servers Coding Recommendations Configuring a Multithreaded CORBA Server Using Factory-based Routing (CORBA Servers Only) About Factory-based Routing Characteristics of Factory-based Routing How Factory-based Is Implemented Configuring Factory-based Routing in the UBBCONFIG File Using Parallel Objects About Parallel Objects Configuring Parallel Objects Multiplexing Incoming Client Connections IIOP Listener and Handler Increasing the Number of ISH Processes Scaling CORBA Server Applications About Scaling the Production Sample Application Design Goals How the Application Has Been Scaled Changing the OMG IDL Using a Stateless Object Model Scaling by Replicating Server Processes and Server Groups Replicating Server Processes in the Production Application Replicating Server Groups in the Production Application Configuring Replicated Server Processes and Groups in the Production Application Scaling with Factory-based Routing About Factory-based Routing in the Production Application Configuring Factory-based Routing in the UBBCONFIG File Implementing Factory-based Routing in a Factory What Happens at Run Time Additional Design Considerations About the Additional Design Considerations Instantiating the Registrar and Teller Objects Ensuring That Student Registration Occurs in the Correct Server Group Ensuring That the Teller Object Is Instantiated in the Correct Server Group Scaling the Application Further Distributing CORBA Applications Why Distribute an Application? About Distributing an Application Benefits of a Distributed Application Characteristics of Distributing an Application Using Data-dependent Routing (Oracle Tuxedo ATMI Servers Only) About Data-dependent Routing Characteristics of Data-dependent Routing Sample Distributed Application Example of UBBCONFIG Sections in a Distributed Application Configuring the UBBCONFIG File About the UBBCONFIG File in Distributed Applications Modifying the GROUPS Section Modifying the SERVICES Section Parameters to Modify Sample SERVICES Section Modifying the INTERFACES Section Parameters to Modify Sample INTERFACES Section Creating the ROUTING Section Configuring the factory_finder.ini (CORBA Applications Only) Modifying the Domain Gateway Configuration File to Support Routing About the Domain Gateway Configuration File Parameters in the DM_ROUTING Section of the DMCONFIG File (Oracle Tuxedo ATMI Only) Parameters to Specify Routing Field Description Example of a Five-Site Domain Configuration Using Routing Tuning CORBA Applications Maximizing Application Resources When to Use MSSQ Sets (Oracle Tuxedo ATMI Servers Only) Enabling System-controlled Load Balancing Configuring Replicated Server Processes and Groups Configuring Multithreaded Servers Setting the OPENINFO Parameter for Database Interoperation Parameters Used to Configure Multithreaded Servers Assigning Priorities to Interfaces About Priorities to Interfaces Characteristics of the PRIO Parameter Bundling Services into Servers (Oracle Tuxedo ATMI Servers Only) About Bundling Services When to Bundle Services Performance Options Enhancing Efficiency with Application Parameters MAXDISPATCHTHREADS MINDISPATCHTHREADS Setting the MAXACCESSERS, MAXOBJECTS, MAXSERVERS, MAXINTERFACES, and MAXSERVICES Parameters Setting the MAXGTT, MAXBUFTYPE, and MAXBUFSTYPE Parameters Setting the SANITYSCAN, BLOCKTIME, BBLQUERY, and DBBLWAIT Parameters Setting Application Parameters Determining IPC Requirements Measuring System Traffic About System Traffic and Bottlenecks Example of Detecting a System Bottleneck Detecting Bottlenecks on UNIX Detecting Bottlenecks on Windows
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