Round-robin empty workers with queueing enabled #7222
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gjoseph92
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Oct 28, 2022
| min_v: float | None = None | ||
| for cws in dict.values(self.idle): | ||
| # ^ micro-optimization: `SortedDict` inherits from plain `dict`; iterating | ||
| # in non-sorted order is 10x faster and order doesn't matter here. |
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The 10x number comes from here #4925 (comment)
Unit Test ResultsSee test report for an extended history of previous test failures. This is useful for diagnosing flaky tests. 15 files ±0 15 suites ±0 6h 14m 14s ⏱️ - 14m 35s For more details on these failures, see this check. Results for commit c578cb2. ± Comparison against base commit 02b9430. ♻️ This comment has been updated with latest results. |
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Another possible approach: |
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I'm leaning towards #7248. I think that's more sensible. This special case isn't very important, and we're going to remove the test for it anyway: #7221 (comment) |
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With queuing enabled, when multiple workers have 0 tasks, rather than always picking the first of the empty workers each time, this implements round-robin logic. This ensures that when you're occasionally submitting a few tasks to an idle cluster, the same workers aren't used each time.
See #4637, #4638 for equivalent behavior with queuing disabled.
Requires #7221.
Closes #7197.
pre-commit run --all-files