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Memory is full. Waveform chart or Queues to blame?

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Hi, I am writing a LabVIEW application and it comes up with failures in Obtain queue with error 2.  Possible reason LabVIEW: Memory is full or NI-488: No Listeners on the GPIB.

 

I have no GPIB. 

 

The failure happens after about 8 hours.  I also have four waveform charts with chart history set to 172800 with data going in at 1 per second on each (one chart has two plots).  8 hours is 28800 points per chart.

My machine is an i5 running windows 7 64 bit with 8G of memory.  LabVIEW is 2012.

 

I have see heaps of things saying that it's not the total memory available but whether LabVIEW can find contiguous memory for each chart.  Can anyone tell me if the number of points I get to is likely to cause this memory problem?

 

Any suggestions on debugging this?  The only thing I can think of is decreasing the chart history length to something less than 28800 and running again.  This seems like a very slow way of finding the bug.

 

Thanks for any suggestions

 

Paul


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