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Enable/disable scheduling topology hints through an env. variable #188

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merged 3 commits into from
Dec 2, 2021

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csegarragonz
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@csegarragonz csegarragonz commented Nov 30, 2021

With this PR scheduling topology hints may be disabled by setting the environment variable: NO_TOPOLOGY_HINTS=on in faam's worker.

@csegarragonz csegarragonz force-pushed the env-var-topo-hints branch 2 times, most recently from 6be0388 to 4db2985 Compare November 30, 2021 17:45
// If topology hints are disabled, unset the provided topology hint
if (conf.useTopologyHints == "off") {
topologyHint = faabric::util::SchedulingTopologyHint::NORMAL;
}
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I would change this to check if they're requesting anything other than NORMAL, then print a warning if so. We don't want to have this on accidentally.

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Good point. Now we:

  1. Check if env var set
  2. If set and hint different than NORMAL, print a warning and unset.

src/util/config.cpp Outdated Show resolved Hide resolved
tests/test/util/test_config.cpp Show resolved Hide resolved
"Test scheduling hints can be disabled through the config",
"[scheduler]")
{
SchedulingConfig config = {
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Here I add the new test

@csegarragonz
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I every now and then get errors in the sanitised builds unrelated to the changes introduced. Moving the discussion about this offline.

@csegarragonz csegarragonz requested review from Shillaker and removed request for Shillaker December 1, 2021 15:27
@csegarragonz csegarragonz self-assigned this Dec 1, 2021
@csegarragonz csegarragonz merged commit 6ff81aa into master Dec 2, 2021
@csegarragonz csegarragonz deleted the env-var-topo-hints branch December 2, 2021 09:42
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2 participants