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SWIM: Tune default probing timeouts #7

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ktoso opened this issue Aug 7, 2020 · 1 comment
Open

SWIM: Tune default probing timeouts #7

ktoso opened this issue Aug 7, 2020 · 1 comment
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1 - triaged Task makes sense, is well defined, and is ready to be worked on t:swim

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@ktoso
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ktoso commented Aug 7, 2020

Best to put it onto some amazon instances poke around a bit and select something realistic / good "default", something like a few seconds is likely fine.
@ktoso ktoso changed the title Tune SWIM probing timeouts SWIM: Tune default probing timeouts Aug 7, 2020
@ktoso ktoso mentioned this issue Aug 7, 2020
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@avolokhov
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Memberlist suggests setting it to p99 of roundtrip time (which shouldn't be more than a few hundreds millis in a normal setup (eventually we should also decide where we stand on cross availability zone setup):
https://github.com/hashicorp/memberlist/blob/f72d2042a81632f45a86ad548580c1bd8890dbf9/config.go#L113

@ktoso ktoso added 1 - triaged Task makes sense, is well defined, and is ready to be worked on t:swim labels Aug 7, 2020
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@ktoso @avolokhov