[tor-bugs] #23621 [Core Tor/Tor]: prop224: Missing tons of mds over time with a lurking client

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#23621: prop224: Missing tons of mds over time with a lurking client
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 Reporter:  asn           |          Owner:  dgoulet
     Type:  defect        |         Status:  needs_revision
 Priority:  Medium        |      Milestone:  Tor: 0.3.2.x-final
Component:  Core Tor/Tor  |        Version:  Tor: 0.3.2.1-alpha
 Severity:  Normal        |     Resolution:
 Keywords:  prop224       |  Actual Points:
Parent ID:                |         Points:
 Reviewer:                |        Sponsor:
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Comment (by asn):

 Replying to [comment:12 dgoulet]:
 > After discussing this with armadev on IRC, a possible avenue to try to
 fix this is investigate why it can take us up to 10 minutes to get up to
 min dirinfo?
 >

 I started this investigation to see how fast we will receive mds when we
 ask for them. The results are very good! When we fetch mds, we always
 receive them super-fast (within seconds). I attach an email from my laptop
 HS client which demonstrates this.

 Snippet:
 {{{
 Sep 26 01:25:56.000 [info] launch_descriptor_downloads(): Launching 3
 requests for 994 microdescs, 332 at a time
 Sep 26 01:25:57.000 [info] handle_response_fetch_microdesc(): Received
 answer to microdescriptor request (status 200, body size 156215) from
 server '137.205.124.35:1720'
 Sep 26 01:25:57.000 [info] handle_response_fetch_microdesc(): Received
 answer to microdescriptor request (status 200, body size 174579) from
 server '213.136.81.89:9001'
 Sep 26 01:25:57.000 [info] handle_response_fetch_microdesc(): Received
 answer to microdescriptor request (status 200, body size 155635) from
 server '213.136.81.89:9001'
 Sep 26 07:17:57.000 [info] launch_descriptor_downloads(): Launching 3
 requests for 179 microdescs, 60 at a time
 Sep 26 07:17:57.000 [info] handle_response_fetch_microdesc(): Received
 answer to microdescriptor request (status 200, body size 25721) from
 server '188.165.220.21:9001'
 Sep 26 07:17:57.000 [info] handle_response_fetch_microdesc(): Received
 answer to microdescriptor request (status 200, body size 25758) from
 server '188.165.220.21:9001'
 Sep 26 07:17:57.000 [info] handle_response_fetch_microdesc(): Received
 answer to microdescriptor request (status 200, body size 29796) from
 server '188.165.220.21:9001'
 }}}

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/23621#comment:14>
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