element-hq / element-hq/synapse
media repo worker leaks open FDs
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S-Minor
T-Defect
- Dominant language
- Python
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Description
This issue has been migrated from [#9488](https://github.com/matrix-org/synapse/issues/9488).
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There is a sawtooth on the "Open FDs" graph for the media repository: they accumulate until a Gen 2 GC happens:
The accumulated FDs appear to be `CLOSE_WAIT` sockets; they mostly appear to be outbound connections to port 80 or 443 so they are probably related to url preview requests.
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