* [Codel] codel at uber
@ 2018-04-09 5:04 Dave Taht
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From: Dave Taht @ 2018-04-09 5:04 UTC (permalink / raw)
To: codel
"A dynamic overload detector offers more flexibility and improves
hardware efficiency, especially in a complex service such as ours.
With QALM, we implemented an overload detector inspired by the CoDel
algorithm. A lightweight request buffer (implemented by goroutine and
channels) is added for each enabled endpoint to monitor the latency
between when requests are received from the caller and processing
begins in the handler. Each queue monitors the minimum latency within
a sliding time window, triggering an overload condition if latency
goes over a configured threshold." - https://eng.uber.com/qalm/
--
Dave Täht
CEO, TekLibre, LLC
http://www.teklibre.com
Tel: 1-669-226-2619
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