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rearrange 0.2.1.1-alpha changelog

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svn:r15177
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Roger Dingledine 2008-06-13 02:06:04 +00:00
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ChangeLog
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@ -1,12 +1,30 @@
Changes in version 0.2.1.1-alpha - 2008-??-?? Changes in version 0.2.1.1-alpha - 2008-??-??
o Memory fixes and improvements:
- Add a malloc_good_size implementation to OpenBSD_malloc_linux.c,
to avoid unused RAM in buffer chunks and memory pools.
- Speed up parsing and cut down on memory fragmentation by using
stack-style allocations for parsing directory objects. Previously,
this accounted for over 40% of allocations from within Tor's code
on a typical directory cache.
- Use a Bloom filter rather than a digest-based set to track which
descriptors we need to keep around when we're cleaning out old
router descriptors. This speeds up the computation significantly,
and may reduce fragmentation.
- Reduce the default smartlist size from 32 to 16; it turns out that
most smartlists hold around 8-12 elements tops.
- Make dumpstats() log the fullness and size of openssl-internal
buffers.
- If the user has applied the experimental SSL_MODE_RELEASE_BUFFERS
patch to their OpenSSL, turn it on to save memory on servers. This
patch will (with any luck) get included in a mainline distribution
before too long.
o Minor bugfixes: o Minor bugfixes:
- Stop giving double-close warn when we reject an address for - Stop giving double-close warn when we reject an address for
client DNS. client DNS.
- Make relay cells written on a connection count as non-padding when - Make relay cells written on a connection count as non-padding when
tracking how long a connection has been in use. Bugfix on tracking how long a connection has been in use. Bugfix on
0.2.0.1-alpha. Spotted by lodger. 0.2.0.1-alpha. Spotted by lodger.
- Reduce the default smartlist size from 32 to 16; it turns out that
most smartlists hold around 8-12 elements tops.
- When we choose to abandon a new entry guard because we think our - When we choose to abandon a new entry guard because we think our
older ones might be better, close any circuits pending on that older ones might be better, close any circuits pending on that
new entry guard connection. Bugfix on 0.1.2.8-beta; found by lodger. new entry guard connection. Bugfix on 0.1.2.8-beta; found by lodger.
@ -30,8 +48,6 @@ Changes in version 0.2.1.1-alpha - 2008-??-??
domains. For example, this allows one to log all notices, warnings, domains. For example, this allows one to log all notices, warnings,
or errors, plus all memory management messages of level debug or or errors, plus all memory management messages of level debug or
higher, with: Log [MM] debug-err [*] notice-err file /var/log/tor. higher, with: Log [MM] debug-err [*] notice-err file /var/log/tor.
- Add a malloc_good_size implementation to OpenBSD_malloc_linux.c,
to avoid unused RAM in buffer chunks and memory pools.
- Add a couple of extra warnings to --enable-gcc-warnings for GCC 4.3, - Add a couple of extra warnings to --enable-gcc-warnings for GCC 4.3,
and stop using a warning that had become unfixably verbose under and stop using a warning that had become unfixably verbose under
GCC 4.3. GCC 4.3.
@ -42,30 +58,16 @@ Changes in version 0.2.1.1-alpha - 2008-??-??
bug got fixed in late 2006. Our new behavior is to call RAND_poll() bug got fixed in late 2006. Our new behavior is to call RAND_poll()
at startup, and to call RAND_poll() when we reseed later only if at startup, and to call RAND_poll() when we reseed later only if
we have a non-buggy OpenSSL version. we have a non-buggy OpenSSL version.
- Speed up parsing and cut down on memory fragmentation by using
stack-style allocations for parsing directory objects. Previously,
this accounted for over 40% of allocations from within Tor's code
on a typical directory cache.
- Lots of new unit tests. - Lots of new unit tests.
- New --hush command-line option similar to --quiet. While --quiet - New --hush command-line option similar to --quiet. While --quiet
disables all logging to the console on startup, --hush limits the disables all logging to the console on startup, --hush limits the
output to messages of warning and error severity. output to messages of warning and error severity.
- Use a Bloom filter rather than a digest-based set to track which
descriptors we need to keep around when we're cleaning out old
router descriptors. This speeds up the computation significantly,
and may reduce fragmentation.
- Make dumpstats() log the fullness and size of openssl-internal
buffers.
- Servers support a new URL scheme for consensus downloads that - Servers support a new URL scheme for consensus downloads that
allows the client to specify which authorities are trusted. allows the client to specify which authorities are trusted.
The server then only sends the consensus if the client will trust The server then only sends the consensus if the client will trust
it. Otherwise a 404 error is sent back. Clients can use this it. Otherwise a 404 error is sent back. Clients can use this
new scheme when the server supports it. Implements proposal 134; new scheme when the server supports it. Implements proposal 134;
disabled for now though. disabled for now though.
- If the user has applied the experimental SSL_MODE_RELEASE_BUFFERS
patch to their OpenSSL, turn it on to save memory on servers. This
patch will (with any luck) get included in a mainline distribution
before too long.
- New configure/torrc options (--enable-geoip-stats, - New configure/torrc options (--enable-geoip-stats,
DirRecordUsageByCountry) to record how many IPs we've served DirRecordUsageByCountry) to record how many IPs we've served
directory info to in each country code, how many status documents directory info to in each country code, how many status documents