Sean Quah c675a18071 Track ongoing event fetches correctly (again) (#11376) ... The previous fix for the ongoing event fetches counter (8eec25a1d9) was both insufficient and incorrect. When the database is unreachable, `_do_fetch` never gets run and so `_event_fetch_ongoing` is never decremented. The previous fix also moved the `_event_fetch_ongoing` decrement outside of the `_event_fetch_lock` which allowed race conditions to corrupt the counter.		2021-11-26 13:47:24 +00:00
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main	Track ongoing event fetches correctly (again) (#11376)	2021-11-26 13:47:24 +00:00
__init__.py	add a cache to have_seen_event (#9953)	2021-06-01 12:04:47 +01:00