Unverified Commit 30e13716 authored by teor's avatar teor
Browse files

Make the default DirAuthorityFallbackRate 0.1 

This makes clients on the public tor network prefer to bootstrap off fallback
directory mirrors.

This is a follow-up to 24679, which removed weights from the default fallbacks.

Implements ticket 24681.
parent 7d845976

changes/ticket24681

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  o Minor features (fallback directory mirrors):

    - Make the default DirAuthorityFallbackRate 0.1, so that clients on the

      public tor network prefer to bootstrap off fallback directory mirrors.

      This is a follow-up to 24679, which removed weights from the default

      fallbacks.

      Implements ticket 24681.

doc/tor.1.txt

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@@ -432,7 +432,8 @@ GENERAL OPTIONS 
    When configured to use both directory authorities and fallback

    directories, the directory authorities also work as fallbacks. They are

    chosen with their regular weights, multiplied by this number, which

    should be 1.0 or less. (Default: 1.0)

    should be 1.0 or less. The default is less than 1, to reduce load on

    authorities. (Default: 0.1)



[[AlternateDirAuthority]] **AlternateDirAuthority** [__nickname__] [**flags**] __address__:__port__ __fingerprint__ +

src/or/config.c

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@@ -225,7 +225,14 @@ static config_var_t option_vars_[] = { 
  VAR("DirReqStatistics",        BOOL,     DirReqStatistics_option, "1"),

  VAR("DirAuthority",            LINELIST, DirAuthorities, NULL),

  V(DirCache,                    BOOL,     "1"),

  V(DirAuthorityFallbackRate,    DOUBLE,   "1.0"),

  /* A DirAuthorityFallbackRate of 0.1 means that 0.5% of clients try an

   * authority when all fallbacks are up, and 2% try an authority when 25% of

   * fallbacks are down. (We rebuild the list when 25% of fallbacks are down).

   *

   * We want to reduce load on authorities, but keep these two figures within

   * an order of magnitude, so there isn't too much load shifting to authorities

   * when fallbacks go down. */

  V(DirAuthorityFallbackRate,    DOUBLE,   "0.1"),

  V(DisableAllSwap,              BOOL,     "0"),

  V(DisableDebuggerAttachment,   BOOL,     "1"),

  V(DisableIOCP,                 BOOL,     "1"),