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Increase DB/CPU perf of _is_server_still_joined check.
#6936
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For rooms with large amount of state a single user leaving could cause us to go and load a lot of membership events and then pull out membership state in a large number of batches.
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richvdh
suggested changes
Feb 18, 2020
Co-Authored-By: Richard van der Hoff <[email protected]>
richvdh
approved these changes
Feb 19, 2020
synapse/storage/persist_events.py
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| return True | ||
| else: | ||
| events_to_check.append(event_id) | ||
| else: |
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I think the obscure else: here is redundant.
synapse/storage/persist_events.py
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| # None of the changes to state are joins, so we fall back to checking | ||
| # the current state of the room to see if any of our users are joined |
babolivier
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Sep 1, 2021
* commit '0d0bc3579': Increase DB/CPU perf of `_is_server_still_joined` check. (#6936)
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For rooms with large amount of state a single user leaving could cause us to go and load a lot of membership events and then pull out membership state in a large number of batches.