commit 2bea2facdcf95dd1308c1d78ddaf6d8ecf1125c4 Author: Nick Mathewson nickm@torproject.org Date: Thu Apr 24 12:55:05 2014 -0400
More changes files get added to the changelog --- ChangeLog | 20 ++++++++++++++++++++ changes/bug11396 | 11 ----------- changes/bug11553 | 15 --------------- 3 files changed, 20 insertions(+), 26 deletions(-)
diff --git a/ChangeLog b/ChangeLog index aa932df..eebdacb 100644 --- a/ChangeLog +++ b/ChangeLog @@ -17,6 +17,13 @@ Changes in version 0.2.5.4-alpha - 2014-04-?? circuits by using hashtables instead of linear searches over all the circuits. These functions previously accounted between 3 and 7% of CPU usage on some busy relays. + - Avoid wasting cycles looking for usable circuit IDs. Previously, + when allocating a new circuit ID, we would in the worst case do a + linear scan over the entire possible range of circuit IDs before + deciding that we had exhausted our possibilities. Now, we + try 64 circuit IDs at random before deciding that we probably + won't succeed. Fix for a possible root cause of ticket + #11553.
o Major features (seccomp2 sandbox): - Refinements and improvements to the Linux seccomp2 sandbox code: @@ -174,6 +181,11 @@ Changes in version 0.2.5.4-alpha - 2014-04-?? - New --enable-expensive-hardening option to turn on security hardening options that consume nontrivial amounts of CPU and memory. Right now, this includes AddressSanitizer and UbSan. Closes ticket 11477. + - If you don't specify MaxMemInQueues yourself, Tor now tries to + pick a good value based on your total system memory. Previously, + the default was always 8 GB. You can still override the default by + setting MaxMemInQueues yourself. Resolves ticket 11396. +
o Minor features (usability): - Demote the message that we give when a flushing connection times @@ -205,11 +217,19 @@ Changes in version 0.2.5.4-alpha - 2014-04-?? IP address. Resolves ticket 2454. - Warn less verbosely when receiving a misformed ESTABLISH_RENDEZVOUS cell. Fixes ticket 11279. + - When we run out of usable circuit IDs on a channel, log only one + warning for the whole channel, and include a description of + how many circuits there were on the channel. Fix for part of ticket + #11553. +
o Minor features (controller): - Make the entire exit policy available from the control port via GETINFO exit-policy/*. Implements enhancement #7952. Patch from "rl1987". + - Because of the fix for ticket 11396, the real limit for memory + usage may no longer match the configured MaxMemInQueues value. + The real limit is now exposed via GETINFO limits/max-mem-in-queues.
o Minor features (misc): - Always check return values for unlink, munmap, UnmapViewOfFile; diff --git a/changes/bug11396 b/changes/bug11396 deleted file mode 100644 index fd26329..0000000 --- a/changes/bug11396 +++ /dev/null @@ -1,11 +0,0 @@ - o Minor features (security): - - - If you don't specify MaxMemInQueues yourself, Tor now tries to - pick a good value based on your total system memory. Previously, - the default was always 8 GB. You can still override the default by - setting MaxMemInQueues yourself. Resolves ticket 11396. - - o Minor features (controller): - - Because of the fix for ticket 11396, the real limit for memory - usage may no longer match the configured MaxMemInQueues value. - The real limit is now exposed via GETINFO limits/max-mem-in-queues. diff --git a/changes/bug11553 b/changes/bug11553 deleted file mode 100644 index ed30ce9..0000000 --- a/changes/bug11553 +++ /dev/null @@ -1,15 +0,0 @@ - o Minor features: - - When we run out of usable circuit IDs on a channel, log only one - warning for the whole channel, and include a description of - how many circuits there were on the channel. Fix for part of ticket - #11553. - - - o Major features (performance): - - Avoid wasting cycles looking for usable circuit IDs. Previously, - when allocating a new circuit ID, we would in the worst case do a - linear scan over the entire possible range of circuit IDs before - deciding that we had exhausted our possibilities. Now, we - try 64 circuit IDs at random before deciding that we probably - won't succeed. Fix for a possible root cause of ticket - #11553.