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Description
A manual periodic commit could be called manual_commit_interval_ms, where (if enable_auto_commit is false):
= 0(default): commits on every poll> 0: commits offsets at every interval (approximately)
This check would be done before the poll call (or after writing to the queue), so the interplay between poll_timeout_ms, fetch_max_wait_ms, request_timeout_ms and this new manual_commit_interval_ms would have to be sanity checked to ensure the users sets sane values.
for more context please see: #267 (comment)