Making new threads is a heavy operation and busy tags can spawn thousands of threads before they make a difference. See this topic for better solutions:
Continuing the discussion from [SOLVED] Are tag Value Changed scripts running asynchronously? :
We've got code in our standard library that I need to log a value change on a tag and then associate various data points with that value change. The value is located in a UDT, and because this is part of our "standard" library we use for our customers, the number of tags is variable and quite possibly numerous so having a gateway tag event script isn't feasible for this solution.
I was reading up on …
(See all the cross-referenced topics, too.)
Mind you, these are not simpler solutions. Sorry.
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