Java for TPS

This topic has 2 replies, 3 voices, and was last updated 12 years, 8 months ago by David Barr.

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January 13, 2012 at 7:53 pm #52888

Mitchell Rawlins
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I don’t see a lot on the forum about using Java for TPS. I did a bit of testing to compare performance between Tcl and Java TPS (re-writing the same proc to run identically between the two systems) and there was a fairly negligible difference in speed. (For the curious, Java won by a few seconds per ten thousand messages). I ran the tests on 5.7r1.

I am curious what lessons people have learned or pitfalls experienced when converting Tcl TPS to Java. Has anyone done much of this?

Thanks

Mitch
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- January 13, 2012 at 8:04 pm #75792
  
  Jim Kosloskey
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  Mitchell,
  
  I have not had any need so far – everything I have needed to do has been doen well and easily in Tcl.
  
  I would really need Java bad to consider adding it to our environment.
  
  email: jim.kosloskey@jim-kosloskey.com 29+ years Cloverleaf, 59 years IT - old fart.
- January 13, 2012 at 9:01 pm #75793
  
  David Barr
  Participant
  
  Probably the main pitfall is that it will be more difficult to hire new analysts to support your Cloverleaf systems. Of the people who are experienced with Cloverleaf, a much higher percentage has TCL experience than Java experience.
  
  From the Java code I’ve done in Cloverleaf, Java seemed to be more sensitive to memory corruption than TCL did. We would have Java procs that would start crashing after the processes had been up for a long time, and this didn’t seem to happen with the TCL procs.
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