Is there any way to limit total thread count in testng?

[oleksandr...@gmail.com]

I use testng to run selenium tests with parallel='classes' and thread-count=8. In addition I use parallel data-providers. When I set data-provider-thread-count to "8" I've got up to 64 threads in total. Is there any way to limit this in some way?
I use custom method filtering and tests for execution are defined externally. Data for data-providers are also supplied from external source. So I cannot predict which configuration will be started every time: either 1 test with 50+ data-rows, or 10 tests with 50+ data-rows/test or 50 non-data-driven tests. 
Selenium tests are quite slow so reducing any of parameters will cause significant increase of test duration with underloaded resources

[Todd Bradley]

The only way I know of is to do the math yourself and set all the various thread parameters so the total doesn't exceed whatever number you want.

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