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  • Multiple Web (Apache/Tomcat ) and OAS server

    I would like to understand from one our member about the insight / experience about the Multiple Web server and Apps (OAS server in our case) installation and configuration to support the large traffic of the users and data load in the Architecture.

    Can OAS support multiple web server to manage the user access and data load ? what would be your recommendation?
    Do you have any information to share with me would be great so that I can try it .

    Thanks.
    Raghu

  • #2
    Re: Multiple Web (Apache/Tomcat ) and OAS server

    Raghu,

    First - OTM fully supports multiple web servers and just requires a load balancer that maintains sticky sessions, either based on cookies or source IP. This is often utilized in order to accommodate high user and/or integration loads.

    Next - if your volumes are really that high, I would highly recommend looking towards WebLogic as your primary OTM server -- the performance of the JRockit JVM can be several times that of the Sun JVM and will help you scale much higher on the same hardware.

    As for multiple app servers - you're looking at the OTM SCA (scalability) functionality and it really requires an expert to analyze the need, determine the right type of SCA (active/active, active/passive, functional split or domain split) and help configure it. This is supported by both OAS and WebLogic.

    --Chris

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    • #3
      Re: Multiple Web (Apache/Tomcat ) and OAS server

      Thanks Chris.
      It really helps me to think about the load balancer and I understand that we do have F5 / intel load balancer and if we install multiple web server, Does it mean OTM web components (Apache / Tomcat ....Am I right?) installing in multiple server boxes (either physical or virtual partition / simple different otm_home directory ) and manually configure the ports and config files.

      Raghu

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      • #4
        Re: Multiple Web (Apache/Tomcat ) and OAS server

        Raghu,

        Yes - an F5 load balancer should work fine. We used one of these back at G-Log in the QA department for many years. And yes - this will only be utilized by the OTM Web servers. I'd recommend having these either on different boxes, or simply assigned to different virtual IP addresses on the same box (and installed in different OTM_HOME directories), so that you don't have to worry about using unique ports and all those related issues.

        --Chris

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