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How to handle extra data in a queue?

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I'm sending data via a queue to my main VI in which I only care about the latest data. Currently I have the queue setup for a max size of 1 so sometimes I get an overflow in the transmitting VI. I'm wondering if this is a reasonable way to setup the queue. Or is it better to make the queue size bigger so the queue doesn't overflow and read all the data in the queue in my main VI and only use the last element?



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Notifiers are also event-like in that you can have a one to many broadcast: multiple tasks can be waiting on notification from the same refnum.

And one can have a single task waiting on multiple notifiers, which is also event like and something one can’t do with queues (though, unlike with the event structure, the notifiers all need to have the same datatype).

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