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Fix occasional flakiness in test:
https://github.com/dask/distributed/runs/5036808926?check_suite_focus=true

The test hung on a 5s timeout. I think it's because the OS could not write to disk 100MB worth of data fast enough.

@crusaderky crusaderky self-assigned this Feb 3, 2022
config={
"distributed.worker.memory.target": False,
"distributed.worker.memory.spill": 0.7,
},
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@crusaderky crusaderky Feb 3, 2022

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no change from default for spill, but I like to spell out explicitly relevant settings - also in the case they change in the future

"""
memory = s.workers[a.address].memory.process
# Reach 'spill' threshold after 400MB of managed data
a.memory_limit = memory / 0.7 + 400e6
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Note that this works just by luck today for the purpose of the spill threshold, and does NOT work for the target threshold. See #5367

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github-actions bot commented Feb 3, 2022

Unit Test Results

       16 files   -        2         16 suites   - 2   8h 11m 39s ⏱️ - 1h 20m 7s
  2 582 tests ±       0    2 502 ✔️ +       2       80 💤 ±    0  0  - 2 
20 398 runs   - 2 706  19 106 ✔️  - 2 382  1 292 💤  - 322  0  - 2 

Results for commit d8ca3a2. ± Comparison against base commit 30ffa9c.

@gjoseph92 gjoseph92 self-requested a review February 3, 2022 17:05
@crusaderky crusaderky merged commit d0a93e9 into dask:main Feb 8, 2022
@crusaderky crusaderky deleted the test_robust_to_bad_sizeof_estimates branch February 8, 2022 09:43
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2 participants