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Enable celery task deduplication #558

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Merged
lipoja merged 1 commit into from
Aug 8, 2023
Merged

Enable celery task deduplication #558

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5 changes: 5 additions & 0 deletions iib/workers/config.py
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Original file line number Diff line number Diff line change
Expand Up @@ -95,6 +95,11 @@ class Config(object):
temp_fbc_fragment_path = 'fbc-fragment'
# For now, only allow a single process so that all tasks are processed serially
worker_concurrency: int = 1
# Before each task execution, instruct the worker to check if this task is a duplicate message.
# Deduplication occurs only with tasks that have the same identifier,
# enabled late acknowledgment, were redelivered by the message broker
# and their state is SUCCESS in the result backend.
worker_deduplicate_successful_tasks: bool = True
# Don't allow the worker to fetch more messages than it can handle at a time. This is so that
# other tasks aren't starved. This will only be useful once more workers are enabled.
worker_prefetch_multiplier: int = 1
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