Investigate performance issues for October 2021
Users report Tor being particularly slow since a couple of days, resulting in slow downloads of files, generally longer waiting times when requesting web pages etc.
This ticket is for investigating what is actually going on and, ideally, figuring our a plan to resolve the issue.
There are a couple of indicators we have about things that go wrong:
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We have onionperf graphs which show the download time of (in this case 5MiB) files over Tor both for public relays:
)
and onion services: -
We have data about onion service traffic:
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We have data about the advertised/used total bandwidth:
