element-hq / element-hq/synapse

gappy syncs appear to be slower than you might expect

Open
#10,786 0 comments 0 reactions 0 assignees View on GitHub
A-Sync O-Occasional S-Minor T-Defect
Dominant language
Python
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Description

This issue has been migrated from [#10786](https://github.com/matrix-org/synapse/issues/10786).

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empirically my ios app takes aaaages to incremental sync in the morning or after any significant time spent offline. manu and others have spotted it too. need to check average incr sync times to see when the step change was?

Contributor guide

Open the contributing guide

Research direction

Start by measuring average incremental sync times for the iOS app after it has been offline, as described in the issue. Compare those measurements over time to locate the suspected step change; done means identifying whether a regression exists and documenting when it began and what caused it.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
backend, performance
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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