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ChangeLog
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1.0.18 Sun Feb 9 01:49:56 PST 2014
* MEMCACHED_BEHAVIOR_RETRY_TIMEOUT can now be set to zero.
* Numerous bug fixes.
1.0.17 Tue Apr 2 14:02:01 HST 2013
* Remove c++ namespace that was being exposed (the API should be plug compatible)..
* Fix cases where --servers wasn't behaving the same in all clients.
1.0.16 Thu Jan 31 19:14:32 EST 2013
* Added support to do two part shutdown of socket.
* Fixes for Fedora 18.
* Fix for binary memcached_touch()
1.0.15 Mon Dec 17 07:25:44 EST 2012
* Added support for Murmur3 (HASHKIT_HASH_MURMUR3)
* Portability fixes.
1.0.14 Wed Nov 14 04:56:25 EST 2012
* CLIENT_ERROR fixed to not be treated as a fatal error.
* Compiler fixes for older Ubuntu releases.
1.0.13 Fri Oct 19 00:09:28 EDT 2012
* Fix bug that caused version string to not be exported correctly.
1.0.12 Tue Oct 9 03:30:20 EDT 2012
* Added memcached_result_take_value().
* Added ax_libmemcached.m4
1.0.11 Sun Sep 16 20:32:13 EDT 2012
* Removed custom version of memcached.
* Updated hardening rules.
* Fixed a case where the return error from a socket connection differred from that of a TCP/IP socket.
1.0.10 Sun Jul 29 21:50:15 PDT 2012
* --disable-assert has been removed from configure, and --enable-assert has been added in its place.
* Compiling fixes for Clang on OSX Mountain Lion.
1.0.9 Wed Jul 4 22:46:19 EDT 2012
* Faster close on socket.
* Instance allocation is now seperated from server interface. This should allow for a better preservation of ABI compliance from now on.
* Fix close on exec bug.
* Numerous other bug fixes.
1.0.8 Tue May 22 15:06:04 EDT 2012
* Added support for setting options via ENV variable LIBMEMCACHED
* Fix corner case on last used result.
1.0.7 Sat Apr 28 00:48:29 PDT 2012
* Add API call for exist calls.
* Update all license files to be BSD.
1.0.6 Sat Apr 7 18:26:49 PDT 2012
* Fixes for gcc 4.7, lp:961812
* Fix for restart issue that happens under testing.
* Fix for lp:962815.
* Support for transparent AES encryption.
1.0.5 Tue Mar 13 22:56:47 PDT 2012
* Fixes for OSX.
* Version is now parsed directly in the parser, which makes buffered operations now work with it..
* memstat has been extended so that it can be used to find the version of the server.
* Update documentation.
* Fixes for compile issues on Debian and Ubuntu
1.0.4 Thu Jan 26 22:33:54 PST 2012
* Fix for memcached_dump().
* Additional testing for memcached_stat_execute().
1.0.3 Sun Jan 8 18:11:36 PST 2012
* Increased size of sort buffer used during Ketama.
* Added support for new behavior to handle dead servers.
* Overall haul of UDP IO.
* Fixed C compile issue with memcached_exist()
* Numerous bug fixes.
* Clang support for OSX.
* All commands now using vector send support.
1.0.2 Mon Oct 24 08:00:48 PDT 2011
* Dropped libmemcached/memcached_util.h (undocumented header file)
* Added memcached_touch() and memcached_touch_by_key()
* UDP support restructured to toggle on a complete memcached_st structure.
0.53 Mon Sep 26 20:50:33 PDT 2011
* Fix for FreeBSD/OpenBSD and -lm
* Added memcached_exist()
* Fix for memory when using config test.
* CLI gained --quiet
0.52 Sun Sep 11 22:16:08 PDT 2011
* Build fixes for Ubuntu/Suse.
* Fixes for OSX Lion.
* Bug fix for looping back through dns lookups under certain failures.
* Fixes related to dead server failures.
0.51 Thu Jul 21 11:08:58 PDT 2011
* memcached_callback_set() now takes its data argument as const
* Update to tests.
* Fix in parser for port number.
0.50 Mon Jun 20 10:36:57 PDT 2011
* Updates to C++ interface
* Custom free allocators need to now check for value before calling free.
* memcached_fetch_result() now uses the internal result when available (about 25 to 50% faster).
* Fix for stats structure.
* Updates to documentation.
* memcached_fetch_result() now uses the internal result when available (about 25 to 50% faster).
0.49 Thu Apr 14 08:43:37 PDT 2011
* Fix calls to auto methods so that if value is not passed in nothing bad happens.
* New parser calls for generating memcached_st objects.
* New error system.
* New flow control for messages means faster get/set calls.
* Added new documentation system.
* A behavior change has been now made that if you specify a weight for any server, we enable the weight flag and do weight balancing.
* Added MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS to simplify the setting of AUTO REJECT for servers.
0.48 Tue Mar 15 23:05:18 PDT 2011
* Fix memory leak in server parse.
* Move test framework out to be its own library (easier to work with Gearman).
0.47 Wed Feb 23 18:46:48 PST 2011
* Additional fixes for OpenBSD.
* Bug fix 677609, 456080.
* SIGPIPE fix for Linux send().
* memcapable can now test ascii or binary based on flags.
* Additional build fixes for SASL.
0.46 Mon Feb 14 10:28:01 PST 2011
* Fixes a number of corner case bugs.
* Fixes related to OpenBSD.
* Better testing for protocol version.
* Removes special case infinite wait on blocking setup.
0.45 Tue Feb 8 16:02:06 PST 2011
* Add support for systemtap
0.44 Wed Sep 22 21:57:57 PDT 2010
* Windows bug fixes.
* Hudson port support in test harness.
* Improved portability of test hanrness.
* SASL fixes.
0.43 Wed Jul 28 16:29:47 PDT 2010
* Added --args to memstat so that a greater range of values can be returned.
* Prelimanary support for Windows.
* memcached_stat_execute() merged.
0.42 Tue Jul 6 12:29:50 PDT 2010
* Mistake in libtool caused issue with library version
0.41 Wed Jun 30 13:15:19 PDT 2010
* Added --file for memcat.
* Added limemcached_ping() to libmemcached_util
* Bugfix for some cases where connect would have issues with timeout.
* Wrong value for errno given as error on an IO failure inside of poll.
* Bug fix for issue where multiple interfaces with bad DNS were not being caught.
0.40 Thu Apr 22 19:01:25 PDT 2010
* Placed retry logic in for busted resolvers
* Add an ignore for SIGPIPE to solve OSX issues.
* A couple of fixed for memcached_light server.
* Updated to debug mode to track io_wait
0.39 Tue Apr 6 12:35:13 PDT 2010
* Add support for prefix keys to binary protocol.
* Remove the undocumented call memcached_server_remove().
* The undocumented call memcached_server_by_key() now returns const.
* memcached_server_error_reset() has been deprecated.
* memcached_server_list() has been deprecated. Use memcached_server_cursor() to walk the servers found in a memcached_st() structure.
* memcached_verbosity() can now be run concurrently with other operations.
* SASL support.
* Fixes memory leak found in EJECT HOSTS.
0.38 Wed Feb 10 09:40:33 PST 2010
* C++ interface for libhashkit.
* Modified memcached_set_memory_allocators() so that it requires a context pointer.
* memcached_clone() now runs 5 times faster.
* Functions used for callbacks are now given const memcached_st.
* Added MEMCACHED_BEHAVIOR_CORK.
* memslap now creates a configuration file at ~/.memslap.cnf
* memcached_purge() now calls any callbacks registered during get execution.
* Many fixes to memslap.
* Updates for memcapable.
* Compile fixes for OpenBSD.
* Fix for possible recursive decent on IO failure.
0.37 Mon Jan 11 16:29:57 PST 2010
* Fixed build for libhashkit.
* Fixed install path regression.
* Modified RPM to strict check install.
* Added documentation for memcached_server_cursor();
* Added memcached_servers_reset().
* Modified memcached_st to remove dead cursor_server member.
0.36 Wed Jan 6 18:23:50 PST 2010
* Merged in new memslap utility.
* All of constants.h has been updated to match style (all old identifiers continue to work).
* Added first pass for libhashkit.
* Updated test Framework/extended tests.
* Random read support during replication added.
* Modified use_sort so that the option can be applied to any distribution type.
* We removed the MEMCACHED_BEHAVIOR_KETAMA_COMPAT_MODE added in 0.35. Instead use memcached_behavior_set_distribution().
0.35 Mon Nov 9 11:18:33 PST 2009
* Added support for by_key operations for inc/dec methods.
* Added mget test to memslap.
* Support for compatible ketama for SpyMemcached
* Update C++ interface.
* Fix for memcp
0.34 Tue Oct 13 08:39:51 PDT 2009
* Added support for setting behavior flags on a connection pool.
* Don't increment server_failure_counter on normal disconnects.
* Added prototype for a callback based protocol parser (server side) with examples so that you could let your own application speak the memcached protocol
* Updated memcapable to test ASCII protocol.
* Changed behavior so that server can be removed at first sign of failure.
* Added memcached_server_get_last_disconnect() call
0.33 Wed Sep 23 10:11:58 PDT 2009
* Added memcapable to test servers for binary compatibility.
* Updated C++ interface. Added basic support for C++ exceptions. Added multiple constructors the memcached client object. The C++ interface now takes parameters which are C++ types (such as std::string).
* Several bug fixes for binary protocol support.
* Fixed crashing issue with dumping from memcachd server (server internals were changed without documenting change).
0.32 Tue Sep 15 15:49:09 PDT 2009
* Change of behavior where linger is only modified for no-block and then it is set to zero.
* Added Twitter's memcached_server_error() functions.
* Fix for OSX compiles in development builds.
* Updated C++ interface.
* Updated memcached_mget and memcached_mget_by_key to take a size_t as a parameter instead of an unsigned int for number_of_keys.
0.31 Fri Jul 10 09:02:50 PDT 2009
* Added support or HA via replication.
* malloc() removed for server key usage.
* Update build system.
* Added support for memcached_set_memory_allocators().
* Fixed bug in configure.ac for have_htoll.
0.30 Sun May 31 17:31:52 PDT 2009
* Added memcachd_dump command (and framework for memdump tool).
* Realigned all structures to remove padding (and line up important bits for 64bit caches.
* Remove some of sprintf() in storage calls().
* Removed printf() in stat call for unknown stat member.
* memcached_generate_hash() function added.
* Added tests to make sure all hash functions are stable.
0.29 Tue May 19 08:26:48 PDT 2009
* Fixed malloc usage to calloc for spots where we need zero filled memory.
* All code warnings now treated as errors.
* Fixes for debian packaging.
* Added new pooling mechanism.
* MEMCACHED_BEHAVIOR_NO_BLOCK no longer also sets MEMCACHED_BEHAVIOR_BUFFER_REQUESTS.
* Updated generic rpm.
0.28 Tue Apr 14 18:56:28 PDT 2009
* Fixed bug in init sructure (reapplied)
* Fixed bug in get/set by key ([email protected])
0.27 Sun Mar 29 22:33:01 PDT 2009
* Added new UDP fire-forget mode.
* Reworked performance for mget() to better make use of async protocol
* Cleaned up execution of fetch (just one set of code now)
* Fixed Jenkin's for big endian hosts.
* Updates for memstat to determine network latency.
* Updates for binary protocol.
* Many updates to documentation.
0.26 Thu Jan 29 13:05:50 PST 2009
* Fix for decrement on hash key
* Fixed assert that was catching bad memset() call in host_reset()
* Fix purge issue for blocked IO which has been stacked.
0.25 Fri Nov 28 09:59:35 PST 2008
* Jenkins HASH added.
* Update of Murmur hash code
* Support explicit weights (Robey Pointer, Evan Weaver)
* Bugfix for ketama continuum (Robey Pointer)
* New behavior MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY (Robey Pointer)
* Don't ever call stats for weighting servers, because it is unstable.
0.24 Tue Sep 16 02:59:03 PDT 2008 (never released)
* Cleanup compile warnings.
* Fix issues in partitioning by keys.
* Fixed "fail case" to make sure when calling memcached_clone() no memcached_st is over written.
* New memcached_server_by_key() method for finding a server from a key.
* memcached_server_free() was added for freeing server structures.
0.23 Sun Sep 7 08:13:59 PDT 2008
* Added strings.h header for Solaris 9
* Solaris 64bit fix.
* Support for weighted Ketama from Yin Chen.
* Fix for Chinese
* Fix for 0 length key to trigger bad key.
* Added behaviors MEMCACHED_BEHAVIOR_SND_TIMEOUT, MEMCACHED_BEHAVIOR_RCV_TIMEOUT
* Support for Binary Protocol added
0.22 Mon Jul 14 09:24:11 PDT 2008
* Fix where master key was no being checked for "bad key"
* Fixed bugs in stats output (thread output was wrong)
* Clarified MEMCACHED_BAD_KEY_PROVIDED is return for bad prefix key.
* Found a bug in Flags return (Jacek Ostrowski)
* Fixed issue with compiling on Visual Studio
0.21 Fri May 23 18:34:09 PDT 2008
* Change of char * to const char * for all key based functions.
* New MEMCACHED_CALLBACK_PREFIX_KEY added. You can now create domains for values.
* Fixed bug introducd in last version on memcp
* Fix for death of file io to call shutdown()
0.20 Mon May 5 08:34:26 PDT 2008
* New consistent distribution tests.
* Found a memory leak when a server constantly fails.
* Fix in watchpoint macro
* Changed default timeout to 1 second for poll timeouts
* Wheel uses less memory/dynamic allocation for size (no longer limited to 512 hosts by default.
* memslap memory leak fix
* Added Ketama distribution
* Fix assert.h compile problem on CentOS
0.19 Wed Apr 9 09:30:53 PDT 2008
* Documentation fix in libmemcached.
* Fixed bug where sort was always occuring on hosts
* Logic fix in branch prediction (thanks Jay!)
* Read through cached support.
* Fixed for cas by key operation.
* Fix for memcached_server_st list structures to have correct count.
* Added callback MEMCACHED_CALLBACK_DELETE_TRIGGER
* Removed function call in favor of macro (aka cut out some instructions)
0.18 Sun Mar 16 21:57:55 PDT 2008
* Fix plus tests for non-zero value objects and flags.
* MEMCACHED_HASH_MURMUR added for murmur algorithm provided.
* MEMCACHED_BEHAVIOR_RETRY_TIMEOUT added to keep connecting from looping on timeout.
* gcc branch prediction optimizations
* Refactored entire tree to make include files cleaner
* Fixed leaked socket.
0.17 Wed Feb 27 03:33:29 PST 2008
* MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT added for connect timeout in non-block mode.
* Incompatible change in memcached_behavior_set() api. We now use a uint64_t, instead of a pointer.
* Fix for storage of values for zero.
* memcached_server_cursor() function added to API for cycling through servers.
0.16 Mon Feb 18 00:30:25 PST 2008
* Work on the UDP protocol
* Added get_by_key, set_by_key tests for C++ API
* Fix for limit_maxbytes to be 64bit in stats
* Added Atom Smasher test (scale baby, scale!)
* Servers are now sorted, meaning that servers are now ordered so that clients with the same lists, will have same distribution. (Idea from Ross McFarland). MEMCACHED_BEHAVIOR_SORT_HOSTS was added to enable this support.
* Added MEMCACHED_BAD_KEY_PROVIDED error for auto, set, and get operations. MEMCACHED_BEHAVIOR_VERIFY_KEY was added to enable this feature.
* More error messages on command line tools.
* Fixed bugs in memcached_cas() operator.
* Fix to loop through interfaces
0.15 Tue Jan 29 14:55:44 PST 2008
* More work on the C++ API.
* Bug fixes around block corner cases.
* Slight performance increase in both read() and write().
0.14 Tue Jan 22 06:21:49 PST 2008
* For for bug found by Evan Weaver where increment() was not returning propper error of value was not found.
* Fix for bad null pointer on flag by Toru Maesaka.
* Refactor of all IO to just pass in the active server
* Problem configuring (PKG_CHECK_MODULES) fixed by removal of "rpath" in support/libmemcached.pc.in (Thanks to Ross McFarland).
* Added memcached_callback_get()/set()
* First prototype of C++ interface
* Updated docs for uint16_t changes in previous release
0.13 Sun Jan 13 06:51:50 PST 2008
* MEMCACHED_BEHAVIOR_USER_DATA added to store user pointer.
* Fix for failure to connect to invalidate socket.
* Patch from Marc Rossi to add --hash option for memcp, memrm, and memcat.
* Kevin's patch for fixing EOF issues during a read.
* Toru Maesaka patch for stats mismatch
* Fix for when CRC return 0
* Fixed uint16_t issues around flags. Turns out the documentation on the protocol was wrong.
* Lingering socket fixes for FreeBSD.
* Patches from Kevin Dalley for FreeBSD 4.0
* Added multi delete functions.
* All get key returns have C style null termination
* If memcached_server_list_append is passed NULLs instead of pointers it returns NULL.
* Added memcached_fetch_execute() method
* Found a bug where memcached_fetch() was not null terminating the result value.
* memcached_behavior() now has the ability to set "buffering" so that data is not automatically flushed.
* Behavior change, buffered commands now return MEMCACHED_BUFFERED
0.12 Tue Dec 11 15:20:55 PST 2007
* Updates for consistent hashing
* IPV6 support
* Static allocation for hostname (performance)
* Fixed bug where in non-block mode all data might not have been sent on close().
* Refactor of memcached_get() to use common code.
* Change in value fetch, MEMCACHED_END is now returned when keys are no longer in the pipe.
* Fixed bug where key could be out of range of characters
* Added _by_key() methods to allow partitioning of values to particular servers.
* MEMCACHED_DEFAILT_TIMEOUT is now set to a non -1 value.
* Performance improvements in get operations.
0.11 Mon Nov 26 01:05:52 PST 2007
* Added option to memcache_behavior_set() so that poll() can be timed out.
* Fixed memory leak in case of using memcached_fetch_result() where no value was returned.
* Bug fixed in memcached_connect() which would cause servers that did not need to be enabled to be enabled (performance issue).
* Rewrote bounds checking code for get calls.
* "make test" now starts its own memcached servers.
* Added Hseih hash (MEMCACHED_HASH_HSIEH), which is showing about 7% performance over standard hash.
0.10 Tue Nov 20 23:22:31 PST 2007
* Added append binary test.
* Added MEMCACHED_BEHAVIOR_CACHE_LOOKUPS behavior so that you can save on multiple DNS lookups.
* Added CAS support, though this is optional and must be enabled during runtime.
* Added the utility memerror to create human readable error strings from memcached errors (aka convert ints to strings)
* Fixed type in MEMCACHED_HOST_LOOKUP_FAILURE
* Fixed bug where hostname might not be null terminated
* Moved to using gethostbyname_r() on Linux to solve thread safety issue
* Added -rpath support for pkg-config
* Documentation fix for hash setting using memcached_behavior_set()
0.9 Thu Nov 15 07:44:00 PST 2007
* fix for when no servers are definied.
* different buffers are now kept for different connections to speed up async efforts
* Modified increment/decrement functions to return uint64_t values
* Fixed bug in cases where zero length keys were provided
* Thread cleanup issue in memslap
* No hostname lookup on reconnect
* Fix for flag settings (was doing hex by accident!)
* Support for 1.2.4 server additions "prepend" and "append" added.
* Added memcached_version()... not sure if I will make this public or not.
0.8 Mon Nov 5 10:40:41 PST 2007
* Adding support for CRC hash method
* Adding support for UNIX sockets
* Added additional HASHing methods of FNV1_64,FNV1A_64, FNV1_32, FNV1A_32
* Added pkgconfig support (PKG_CHECK_MODULES)
* Fixed conflict with defined type in MySQL
* Added memcached_result_st structure and functions to manipulate it.
0.7 Tue Oct 30 09:24:05 PDT 2007
* Poved to poll() from select()
* Fixes in internal string class for allocation of large numbers of strings.
* memcached_mget() function now sends keys as it parses them instead of building strings as it goes.
* Propper flush now for making sure we get all IO sent even when in non-block mode.
* Added --enable-debug rule for configure
* All asserts() removed (hey this is going into production!)
0.6 Wed Oct 17 08:41:35 PDT 2007
* get value returns are now null terminated (request by Cal Heldenbrand)
* Fixed connections for more hosts then two.
* Rewrite of the read/write IO systems to handle different sorts of host failures.
* Added man pages for all functions and tools
* Raised buffer size for readinng/writing to 16K
* You can now optionally set the socket size for recv/send via memached_behavior_set/get.
0.5 Tue Oct 9 00:22:25 PDT 2007
* Ruby maintainer mentioned TCP_NODELAY patch he had added. Added this to C
library as well. (Eric Hodel [email protected])
* Added support script for set_benchmark
* Updated memslap to allow testing of TCP_NODELAY
* Updated memslap to support --flush (aka dump memcache servers before testing)
* Fixed bug in multiple hosts not being activated
* Added environmental variable MEMCACHED_SERVERS which can be used to set the servers list.
* fixed memcached_stat method (and now memstat works)
* server connect now happens on demand.
* Help for all command line applications
0.4 Wed Oct 3 10:28:50 PDT 2007
* Added buffered IO to write calls for keys
* Added buffered IO for reads
* memstat was broken (bad if/else on connect)
* New non-blocking IO (not default yet). Mucho faster
* Refactor of test system.
* memslap crash solved
0.3 Mon Oct 1 06:37:52 PDT 2007
* Jeff Fisher <[email protected]> provided a spec file
* Added "make rpm" around dist file
* Added support for Solaris
* Added support for DTrace
* Fixed read to be recv and write to be send
* Bug fix where memstat would core if no server was found
* Added memslap tool (load generator)
* Numerous bug fixes in library
* Added calls to library for creating host lists (see text cases to understand how to use this).
0.2 Thu Sep 27 03:46:57 PDT 2007
* First public version