TestStand 2010 Memory Leak when calling sequence in New Thread or New Execution
Version: TestStand 4.5.0.310
OS: Windows XP
Steps to reproduce:
1) Unzip 2 attached sequences into this folder: C:\New Thread Memory Leak
2) Open "New Thread Memory Leak - Client" SEQ file in TestStand 2010
3) Open Task Manager, click Processes tab, sort A-Z (important), and highlight the "SeqEdit.exe" process. Note the memory useage.
4) Be ready to click Terminate All in TestStand after you see the memory start jumping.
5) Run the "New Thread Memory Leak - Client" sequence.
6) After seeing the memory consumption increase rapidly in Task Manager, press Terminate All in TestStand.
7) Right click the "While Loop - No Wait (New Thread)" step and set Run Mode » Skip
8) Right click the "While Loop - No Wait (New Execution)" step and set Run Mode » Normal
9) Repeat steps 3 through 6
I've removed all steps from the While Loop to isolate the problem. I've also tried the other methods you'll see in the ZIP file but all cause the memory leak (with the exception of the Message Popup).
I have not installed the f1 patch, but none of the bug fixes listed appear to address this issue. NI Applications Engineering has been able to reproduce the issue (with Windows 7) and is working on it in parallel. That said, are we missing something??
Any ideas?
Certified LabVIEW Architect
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Separate Views from Implementation for Strict Type Defs
Solved!
Go to Solution.
Attachments:
New Thread Memory Leak.zip 14 KB
Good point Doug. In this case parallel sequences are being launched at the beginning of the sequential process model, but I'll keep that in mind for later. Take away: be intentional about when to wait at the end of the sequence for threads to complete.
Certified LabVIEW Architect
Wait for Flag / Set Flag
Separate Views from Implementation for Strict Type Defs
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