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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 |