Just curious why a exponential average was chosen instead of a simple average for queue hold times?
I did a bit of digital spelunking – the per-queue hold time estimates as we currently have them were proposed by David Troy (There’s a great commentary in the comments at https://issues.asterisk.org/jira/browse/ASTERISK-211). He originally described the algorithm as a “boxcar filter”. That being said, in 2008 David Wooley found that the comment in the code was wrong – that it wasn’t actually a boxcar filter, but was an exponential average (IIR) (see https://issues.asterisk.org/jira/browse/ASTERISK-12135 for more details.)
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Thanks for taking the time to dig those up it was helpful for understanding why it was chosen.
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