commit c52d4d9e3454fd0a94cb900dc18516a489441c18 Merge: c9b3f6352 94d5523c7 Author: Nick Mathewson <nickm@torproject.org> Date: Fri Jan 5 16:41:31 2018 -0500 Merge branch 'teor_ticket24681_028' into maint-0.2.9 changes/ticket24681 | 6 ++++++ doc/tor.1.txt | 3 ++- src/or/config.c | 9 ++++++++- 3 files changed, 16 insertions(+), 2 deletions(-) diff --cc src/or/config.c index ddf49b037,dd0016f7a..42ff25877 --- a/src/or/config.c +++ b/src/or/config.c @@@ -226,10 -225,17 +226,17 @@@ 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"), + OBSOLETE("DisableIOCP"), OBSOLETE("DisableV2DirectoryInfo_"), OBSOLETE("DynamicDHGroups"), VPORT(DNSPort, LINELIST, NULL),