[tor-bugs] #24826 [Core Tor/Tor]: LZMA- and Zstandard compressed consensus diffs stall Tor Browser launch for at least 20s or break it entirely

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#24826: LZMA- and Zstandard compressed consensus diffs stall Tor Browser launch for
at least 20s or break it entirely
--------------------------+------------------------------------
 Reporter:  gk            |          Owner:  (none)
     Type:  defect        |         Status:  new
 Priority:  Medium        |      Milestone:  Tor: 0.3.3.x-final
Component:  Core Tor/Tor  |        Version:
 Severity:  Normal        |     Resolution:
 Keywords:                |  Actual Points:
Parent ID:  #22341        |         Points:
 Reviewer:                |        Sponsor:
--------------------------+------------------------------------

Comment (by gk):

 Look what I got:
 {{{
 Jan 10 14:48:55.000 [debug] HTTP body from server 'XX.XX.XX.XX:9001' was
 labeled as gzipped, and it seems to be gzipped.
 Jan 10 14:49:12.000 [info] handle_response_fetch_consensus(): Applied
 consensus diff (size 179832) from server 'XX.XX.XX.XX:9001', resulting in
 a new consensus document (size 1885627).
 }}}
 This was on an idle laptop which is usually pretty fast with 8GB RAM. So,
 I wonder whether something else changed that is causing these delays...

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/24826#comment:10>
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