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bugfix: MySQL can round microseconds into the future causing scheduler to skip trials #775

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merged 7 commits into from
Jul 10, 2024
Merged

bugfix: MySQL can round microseconds into the future causing scheduler to skip trials #775

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a307399
bugfix: MySQL can round microseconds into the future causing schedule…
motus Jul 3, 2024
2917381
Merge branch 'main' into sergiym/storage/ts_round
motus Jul 3, 2024
d617ae9
Merge branch 'main' of https://github.com/microsoft/MLOS into sergiym…
motus Jul 3, 2024
fce4c75
Merge branch 'sergiym/storage/ts_round' of https://github.com/motus/M…
motus Jul 3, 2024
208e33c
better wording in the comment
motus Jul 3, 2024
681034b
Merge branch 'main' into sergiym/storage/ts_round
bpkroth Jul 10, 2024
6950e09
Merge branch 'main' into sergiym/storage/ts_round
motus Jul 10, 2024
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4 changes: 3 additions & 1 deletion mlos_bench/mlos_bench/storage/sql/experiment.py
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Expand Up @@ -253,7 +253,9 @@ def _get_config_id(self, conn: Connection, tunables: TunableGroups) -> int:

def new_trial(self, tunables: TunableGroups, ts_start: Optional[datetime] = None,
config: Optional[Dict[str, Any]] = None) -> Storage.Trial:
ts_start = utcify_timestamp(ts_start or datetime.now(UTC), origin="local")
# MySQL can round microseconds into the future causing scheduler to skip trials.
# Truncate microseconds to avoid this issue.
ts_start = utcify_timestamp(ts_start or datetime.now(UTC), origin="local").replace(microsecond=0)
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_LOG.debug("Create trial: %s:%d @ %s", self._experiment_id, self._trial_id, ts_start)
with self._engine.begin() as conn:
try:
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