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rearrange 0.2.1.1-alpha changelog
svn:r15177
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ChangeLog
38
ChangeLog
@ -1,12 +1,30 @@
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Changes in version 0.2.1.1-alpha - 2008-??-??
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o Memory fixes and improvements:
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- Add a malloc_good_size implementation to OpenBSD_malloc_linux.c,
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to avoid unused RAM in buffer chunks and memory pools.
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- Speed up parsing and cut down on memory fragmentation by using
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stack-style allocations for parsing directory objects. Previously,
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this accounted for over 40% of allocations from within Tor's code
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on a typical directory cache.
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- Use a Bloom filter rather than a digest-based set to track which
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descriptors we need to keep around when we're cleaning out old
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router descriptors. This speeds up the computation significantly,
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and may reduce fragmentation.
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- Reduce the default smartlist size from 32 to 16; it turns out that
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most smartlists hold around 8-12 elements tops.
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- Make dumpstats() log the fullness and size of openssl-internal
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buffers.
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- If the user has applied the experimental SSL_MODE_RELEASE_BUFFERS
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patch to their OpenSSL, turn it on to save memory on servers. This
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patch will (with any luck) get included in a mainline distribution
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before too long.
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o Minor bugfixes:
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- Stop giving double-close warn when we reject an address for
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client DNS.
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- Make relay cells written on a connection count as non-padding when
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tracking how long a connection has been in use. Bugfix on
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0.2.0.1-alpha. Spotted by lodger.
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- Reduce the default smartlist size from 32 to 16; it turns out that
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most smartlists hold around 8-12 elements tops.
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- When we choose to abandon a new entry guard because we think our
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older ones might be better, close any circuits pending on that
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new entry guard connection. Bugfix on 0.1.2.8-beta; found by lodger.
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@ -30,8 +48,6 @@ Changes in version 0.2.1.1-alpha - 2008-??-??
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domains. For example, this allows one to log all notices, warnings,
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or errors, plus all memory management messages of level debug or
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higher, with: Log [MM] debug-err [*] notice-err file /var/log/tor.
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- Add a malloc_good_size implementation to OpenBSD_malloc_linux.c,
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to avoid unused RAM in buffer chunks and memory pools.
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- Add a couple of extra warnings to --enable-gcc-warnings for GCC 4.3,
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and stop using a warning that had become unfixably verbose under
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GCC 4.3.
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@ -42,30 +58,16 @@ Changes in version 0.2.1.1-alpha - 2008-??-??
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bug got fixed in late 2006. Our new behavior is to call RAND_poll()
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at startup, and to call RAND_poll() when we reseed later only if
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we have a non-buggy OpenSSL version.
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- Speed up parsing and cut down on memory fragmentation by using
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stack-style allocations for parsing directory objects. Previously,
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this accounted for over 40% of allocations from within Tor's code
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on a typical directory cache.
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- Lots of new unit tests.
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- New --hush command-line option similar to --quiet. While --quiet
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disables all logging to the console on startup, --hush limits the
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output to messages of warning and error severity.
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- Use a Bloom filter rather than a digest-based set to track which
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descriptors we need to keep around when we're cleaning out old
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router descriptors. This speeds up the computation significantly,
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and may reduce fragmentation.
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- Make dumpstats() log the fullness and size of openssl-internal
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buffers.
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- Servers support a new URL scheme for consensus downloads that
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allows the client to specify which authorities are trusted.
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The server then only sends the consensus if the client will trust
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it. Otherwise a 404 error is sent back. Clients can use this
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new scheme when the server supports it. Implements proposal 134;
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disabled for now though.
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- If the user has applied the experimental SSL_MODE_RELEASE_BUFFERS
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patch to their OpenSSL, turn it on to save memory on servers. This
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patch will (with any luck) get included in a mainline distribution
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before too long.
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- New configure/torrc options (--enable-geoip-stats,
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DirRecordUsageByCountry) to record how many IPs we've served
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directory info to in each country code, how many status documents
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