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authorNick Mathewson <nickm@torproject.org>2018-01-05 16:41:34 -0500
committerNick Mathewson <nickm@torproject.org>2018-01-05 16:41:34 -0500
commit16fd975a82e502418578c81f04894272c4f11826 (patch)
treeda69981d422d50375e7f17e64e4849058a5a234b /src
parentbbc9ff160e7071b7a2fa9ab200b6496580975b06 (diff)
parentc52d4d9e3454fd0a94cb900dc18516a489441c18 (diff)
downloadtor-16fd975a82e502418578c81f04894272c4f11826.tar.gz
tor-16fd975a82e502418578c81f04894272c4f11826.zip
Merge branch 'maint-0.2.9' into maint-0.3.0
Diffstat (limited to 'src')
-rw-r--r--src/or/config.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/or/config.c b/src/or/config.c
index 16f189afd6..ea98ddacdc 100644
--- a/src/or/config.c
+++ b/src/or/config.c
@@ -285,7 +285,14 @@ 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"),
OBSOLETE("DisableIOCP"),