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Collect all test results and handle cancelled tests properly #58

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sfc-gh-kmakino
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This PR addresses 3 issues:

  • When multiple tests start simultaneously, started can go beyond max_runs. In this scenario, the agent should wait for all tests to complete, rather than stop at max_runs and ignore the still running jobs
  • When agents die or considered to be dead due to not heart beating, we should ignore the cancelled tests as we don't know the results
  • When enough agents are running to serve available ensembles, other agents should timeout

@ammolitor
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Given that the unit tests failed (in the Github Actions build), I think this needs another look.

@sfc-gh-kmakino
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@ammolitor Can you tell what failed? build.sh works totally fine locally here.

@sfc-gh-kmakino
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@ammolitor CI passed. It would great if you can take another quick look. Thanks!

@sfc-gh-kmakino
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Now I realized the scaler needs to be aware of this change. Converting this as a draft for now.

@sfc-gh-kmakino sfc-gh-kmakino marked this pull request as draft October 13, 2021 15:52
sfc-gh-anoyes
sfc-gh-anoyes reviewed Nov 3, 2021
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joshua/joshua_model.py
# TODO(qhoang) let's try this but there must be a better way
# When an agent is cancelled, it has already incremented the __started__ counter
# but will never get to increment the __ended__ counter
_decrement(tr, ensemble_id, "started")
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This needs to be idempotent, see https://apple.github.io/foundationdb/developer-guide.html#transactions-with-unknown-results

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@sfc-gh-anoyes sfc-gh-anoyes sfc-gh-anoyes left review comments

@ammolitor ammolitor Awaiting requested review from ammolitor

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@sfc-gh-kmakino @ammolitor @sfc-gh-anoyes @sfc-gh-qhoang