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Late Run Memory Leak

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Hi,

I'm not particularly hopeful that anyone will have any ideas about how to resolve this probelm but its worth a shot as I'm running out of ideas.

 

For one of my projects I am overseeing a long-term data-logger for scientific trials, I inherited this code and have had an ongoing hand in maintaining it but am not completely intimate with it yet, but during the last trial run the program crashed and presented with the error messages:

Error 1.JPGWP_20140402_002.jpg

 

 

 

 

 

 

 

After restarting the program I have been tracking its memory usage to see what is happening, and for the first 5 days or so the memory usage was pretty low at about 200 - 400 MB however there was then a sudden jump and it is now sitting at around 1200 - 1400 MB, considering that the computer it is running on only has 2GB of RAM I am expecting the next sudden jump to cause the memory errors again and stop the program. 

 

Is there any reason that you can think of that would cause these sudden jumps in memory usage? Given the nature of the sudden jumps I am a little confused as I would have expected most memory leaks to slowly increase the drain on the computers resources rather then taking sudden leaps. I have tried running the program on my computer but due to the lack of nearly all of the attached componentry the program has been unable to run correctly. Given the slow and seemingly random nature of these memory surges I have been unable to track down even the source VI. Sorry I can't attach a VI but the program itself is made up of over 100 VIs and a couple of 100 MBs in size. 

 

Any ideas for possible causes would be greatfully accepted.


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