[tor-bugs] #29426 [Obfuscation/Snowflake]: proxy-go instances receiving 504 errors from broker

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#29426: proxy-go instances receiving 504 errors from broker
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 Reporter:  cohosh                 |          Owner:  (none)
     Type:  defect                 |         Status:  new
 Priority:  High                   |      Milestone:
Component:  Obfuscation/Snowflake  |        Version:
 Severity:  Normal                 |     Resolution:
 Keywords:  snowflake              |  Actual Points:
Parent ID:                         |         Points:
 Reviewer:                         |        Sponsor:  Sponsor19
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Comment (by dcf):

 I happened to be testing against the broker yesterday, and then there were
 3 proxies reported at https://snowflake-broker.bamsoftware.com/debug.
 Checking just now, I see either 0 or 1 as I refresh. I suspect, as you
 suggested, that something went wrong with the proxy-go instances.

 The proxy-go instances are set to restart themselves periodically (about
 once per day). However there is also a special proxy-go-restartless
 instance that doesn't get restarted--you could check that one with gdb to
 see where it's stuck, or create more instances like that to get more
 samples.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/29426#comment:1>
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