#31425: Snowflake broker is sluggish and sometimes fails
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Reporter: cohosh | Owner: (none)
Type: defect | Status: needs_information
Priority: Low | Milestone:
Component: Circumvention/Snowflake | Version:
Severity: Normal | Resolution:
Keywords: broker | Actual Points:
Parent ID: | Points:
Reviewer: | Sponsor:
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Comment (by cohosh):
> Replying to [comment:9 cohosh]:
> > I asked before if we hit a transfer limit, which is worth checking
into but I'll need dcf for that.
>
> There is no such limit in place as far as I know. I tried downloading a
Debian ISO and it went at 7.5 MB/s, so it doesn't look like bandwidth is
being throttled.
> {{{
> $ wget https://cdimage.debian.org/debian-cd/current/amd64/iso-
cd/debian-10.0.0-amd64-netinst.iso
> ...
> 2019-09-03 16:48:54 (7.49 MB/s) - ‘debian-10.0.0-amd64-netinst.iso’
saved [350224384/350224384]
> }}}
Is this machine by any chance running in a VM on a shared host? It could
be due to the hosting provider de-prioritizing our VM if so.
I suppose a good next step is to try to narrow down whether this is a
network issue, but we can't do much until the symptoms start up again. My
current plan is to wait for sysmon notifications and then run something
using `time` to see if it's taking a lot longer than usual.
It might be the case that the issues weren't showing when you did the
download. I don't have any alerts since the 1st of September so we should
try that again when we're sure the broker is acting up.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/31425#comment:12>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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