2 Replies Latest reply on Mar 26, 2012 4:59 AM by kowshik NS

    jboss 7 fine tuning

    kowshik NS Newbie

      Hi All,

       

      I am running jboss 7.1.0  having 3 servers . My application does some file processing ( read/parse/write ). Initially the servers looks fine and amazingly fast. However after processing say 1000 files ( each 1kb) the performance decreases.

       

      I am suspecing this to be something to do with my JBOSS Settings.

       

      Can I do some fine tuning to configuration to get best results ?

        • 1. Re: jboss 7 fine tuning
          Tomaz Cerar Master

          Can you describe a bit more about your application and enviroment?

           

          what os you use? version of java, what does you applicaion look like? using any frameworks?

          What does you code do exacly? processing files. are you closing input/output streams?

          if you are on linux can you post output of lsof for jboss java process.

           

          --

          tomaz

          • 2. Re: jboss 7 fine tuning
            kowshik NS Newbie

            Hi Tomaz,

             

            Java version : 1.6.0_23 64 bit

            OS: Windows 7 64 bit

            Frameworks: All plugins are osgi plugin jar files added to Jboss 7 server group

            Jboss : Jboss 7.1.0 Final using the server in ha mode.

            Jgroups:jgroups-3.0.1.Final

             

            About the application:

             

            I have the about 120 files( each line line approximately 1KB) coming every few seconds sitting in  a shared directory. My applicaiton picks the file parses it and then writes the data to database.

             

            Picking ->Parsing ->Writing to database takes less than a second ( each server instance )  initially. But after a few second picking the file itself takes long time .

             

            I have doubts at two places:

             

            1 ) Jgroups ( related to network traffic )

            2 ) Memory usage and Garbage collection

             

            Note:Closing the stream after each read.