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 (nikkhils@gmail.com)

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 drbrain@segment7.net)

  * 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 <guppy@techmonkeys.org> 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