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Reduce the maximum delay waiting to get the migration lock. #13

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Aug 18, 2024
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Reduce the maximum delay waiting to get the migration lock. #13

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4 changes: 2 additions & 2 deletions src/fc/qemu/outgoing.py
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Original file line number Diff line number Diff line change
Expand Up @@ -208,9 +208,9 @@ def acquire_migration_locks(self):
# In case that there are multiple processes waiting, randomize to
# avoid steplock retries. We us CSMA/CD-based exponential backoff,
# timeslot 10ms but with a max of 13 instead of 16.
# This means we'll wait up to 80s, 40s on average if everything
# This means we'll wait up to 20s, 10s on average if everything
# becomes really busy and we may experience lock contention.
tries = min([tries + 1, 13])
tries = min([tries + 1, 11])
timeout.interval = random.randint(1, 2**tries) * 0.01
if self.agent.has_new_config():
self.target.cancel(self.cookie)
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