11.0.18 Sun Feb 9 01:49:56 PST 2014 2* MEMCACHED_BEHAVIOR_RETRY_TIMEOUT can now be set to zero. 3* Numerous bug fixes. 4 51.0.17 Tue Apr 2 14:02:01 HST 2013 6* Remove c++ namespace that was being exposed (the API should be plug compatible).. 7* Fix cases where --servers wasn't behaving the same in all clients. 8 91.0.16 Thu Jan 31 19:14:32 EST 2013 10* Added support to do two part shutdown of socket. 11* Fixes for Fedora 18. 12* Fix for binary memcached_touch() 13 141.0.15 Mon Dec 17 07:25:44 EST 2012 15* Added support for Murmur3 (HASHKIT_HASH_MURMUR3) 16* Portability fixes. 17 181.0.14 Wed Nov 14 04:56:25 EST 2012 19* CLIENT_ERROR fixed to not be treated as a fatal error. 20* Compiler fixes for older Ubuntu releases. 21 221.0.13 Fri Oct 19 00:09:28 EDT 2012 23* Fix bug that caused version string to not be exported correctly. 24 251.0.12 Tue Oct 9 03:30:20 EDT 2012 26* Added memcached_result_take_value(). 27* Added ax_libmemcached.m4 28 291.0.11 Sun Sep 16 20:32:13 EDT 2012 30* Removed custom version of memcached. 31* Updated hardening rules. 32* Fixed a case where the return error from a socket connection differred from that of a TCP/IP socket. 33 341.0.10 Sun Jul 29 21:50:15 PDT 2012 35* --disable-assert has been removed from configure, and --enable-assert has been added in its place. 36* Compiling fixes for Clang on OSX Mountain Lion. 37 381.0.9 Wed Jul 4 22:46:19 EDT 2012 39* Faster close on socket. 40* Instance allocation is now seperated from server interface. This should allow for a better preservation of ABI compliance from now on. 41* Fix close on exec bug. 42* Numerous other bug fixes. 43 441.0.8 Tue May 22 15:06:04 EDT 2012 45* Added support for setting options via ENV variable LIBMEMCACHED 46* Fix corner case on last used result. 47 481.0.7 Sat Apr 28 00:48:29 PDT 2012 49* Add API call for exist calls. 50* Update all license files to be BSD. 51 521.0.6 Sat Apr 7 18:26:49 PDT 2012 53* Fixes for gcc 4.7, lp:961812 54* Fix for restart issue that happens under testing. 55* Fix for lp:962815. 56* Support for transparent AES encryption. 57 581.0.5 Tue Mar 13 22:56:47 PDT 2012 59* Fixes for OSX. 60* Version is now parsed directly in the parser, which makes buffered operations now work with it.. 61* memstat has been extended so that it can be used to find the version of the server. 62* Update documentation. 63* Fixes for compile issues on Debian and Ubuntu 64 651.0.4 Thu Jan 26 22:33:54 PST 2012 66* Fix for memcached_dump(). 67* Additional testing for memcached_stat_execute(). 68 691.0.3 Sun Jan 8 18:11:36 PST 2012 70* Increased size of sort buffer used during Ketama. 71* Added support for new behavior to handle dead servers. 72* Overall haul of UDP IO. 73* Fixed C compile issue with memcached_exist() 74* Numerous bug fixes. 75* Clang support for OSX. 76* All commands now using vector send support. 77 781.0.2 Mon Oct 24 08:00:48 PDT 2011 79* Dropped libmemcached/memcached_util.h (undocumented header file) 80* Added memcached_touch() and memcached_touch_by_key() 81* UDP support restructured to toggle on a complete memcached_st structure. 82 830.53 Mon Sep 26 20:50:33 PDT 2011 84 * Fix for FreeBSD/OpenBSD and -lm 85 * Added memcached_exist() 86 * Fix for memory when using config test. 87 * CLI gained --quiet 88 890.52 Sun Sep 11 22:16:08 PDT 2011 90 * Build fixes for Ubuntu/Suse. 91 * Fixes for OSX Lion. 92 * Bug fix for looping back through dns lookups under certain failures. 93 * Fixes related to dead server failures. 94 950.51 Thu Jul 21 11:08:58 PDT 2011 96 * memcached_callback_set() now takes its data argument as const 97 * Update to tests. 98 * Fix in parser for port number. 99 1000.50 Mon Jun 20 10:36:57 PDT 2011 101 * Updates to C++ interface 102 * Custom free allocators need to now check for value before calling free. 103 * memcached_fetch_result() now uses the internal result when available (about 25 to 50% faster). 104 * Fix for stats structure. 105 * Updates to documentation. 106 * memcached_fetch_result() now uses the internal result when available (about 25 to 50% faster). 107 1080.49 Thu Apr 14 08:43:37 PDT 2011 109 * Fix calls to auto methods so that if value is not passed in nothing bad happens. 110 * New parser calls for generating memcached_st objects. 111 * New error system. 112 * New flow control for messages means faster get/set calls. 113 * Added new documentation system. 114 * 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. 115 * Added MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS to simplify the setting of AUTO REJECT for servers. 116 1170.48 Tue Mar 15 23:05:18 PDT 2011 118 * Fix memory leak in server parse. 119 * Move test framework out to be its own library (easier to work with Gearman). 120 121 1220.47 Wed Feb 23 18:46:48 PST 2011 123 * Additional fixes for OpenBSD. 124 * Bug fix 677609, 456080. 125 * SIGPIPE fix for Linux send(). 126 * memcapable can now test ascii or binary based on flags. 127 * Additional build fixes for SASL. 128 129 1300.46 Mon Feb 14 10:28:01 PST 2011 131 * Fixes a number of corner case bugs. 132 * Fixes related to OpenBSD. 133 * Better testing for protocol version. 134 * Removes special case infinite wait on blocking setup. 135 1360.45 Tue Feb 8 16:02:06 PST 2011 137 * Add support for systemtap 138 1390.44 Wed Sep 22 21:57:57 PDT 2010 140 * Windows bug fixes. 141 * Hudson port support in test harness. 142 * Improved portability of test hanrness. 143 * SASL fixes. 144 1450.43 Wed Jul 28 16:29:47 PDT 2010 146 * Added --args to memstat so that a greater range of values can be returned. 147 * Prelimanary support for Windows. 148 * memcached_stat_execute() merged. 149 1500.42 Tue Jul 6 12:29:50 PDT 2010 151 * Mistake in libtool caused issue with library version 152 1530.41 Wed Jun 30 13:15:19 PDT 2010 154 * Added --file for memcat. 155 * Added limemcached_ping() to libmemcached_util 156 * Bugfix for some cases where connect would have issues with timeout. 157 * Wrong value for errno given as error on an IO failure inside of poll. 158 * Bug fix for issue where multiple interfaces with bad DNS were not being caught. 159 1600.40 Thu Apr 22 19:01:25 PDT 2010 161 * Placed retry logic in for busted resolvers 162 * Add an ignore for SIGPIPE to solve OSX issues. 163 * A couple of fixed for memcached_light server. 164 * Updated to debug mode to track io_wait 165 1660.39 Tue Apr 6 12:35:13 PDT 2010 167 * Add support for prefix keys to binary protocol. 168 * Remove the undocumented call memcached_server_remove(). 169 * The undocumented call memcached_server_by_key() now returns const. 170 * memcached_server_error_reset() has been deprecated. 171 * memcached_server_list() has been deprecated. Use memcached_server_cursor() to walk the servers found in a memcached_st() structure. 172 * memcached_verbosity() can now be run concurrently with other operations. 173 * SASL support. 174 * Fixes memory leak found in EJECT HOSTS. 175 1760.38 Wed Feb 10 09:40:33 PST 2010 177 * C++ interface for libhashkit. 178 * Modified memcached_set_memory_allocators() so that it requires a context pointer. 179 * memcached_clone() now runs 5 times faster. 180 * Functions used for callbacks are now given const memcached_st. 181 * Added MEMCACHED_BEHAVIOR_CORK. 182 * memslap now creates a configuration file at ~/.memslap.cnf 183 * memcached_purge() now calls any callbacks registered during get execution. 184 * Many fixes to memslap. 185 * Updates for memcapable. 186 * Compile fixes for OpenBSD. 187 * Fix for possible recursive decent on IO failure. 188 1890.37 Mon Jan 11 16:29:57 PST 2010 190 * Fixed build for libhashkit. 191 * Fixed install path regression. 192 * Modified RPM to strict check install. 193 * Added documentation for memcached_server_cursor(); 194 * Added memcached_servers_reset(). 195 * Modified memcached_st to remove dead cursor_server member. 196 1970.36 Wed Jan 6 18:23:50 PST 2010 198 * Merged in new memslap utility. 199 * All of constants.h has been updated to match style (all old identifiers continue to work). 200 * Added first pass for libhashkit. 201 * Updated test Framework/extended tests. 202 * Random read support during replication added. 203 * Modified use_sort so that the option can be applied to any distribution type. 204 * We removed the MEMCACHED_BEHAVIOR_KETAMA_COMPAT_MODE added in 0.35. Instead use memcached_behavior_set_distribution(). 205 2060.35 Mon Nov 9 11:18:33 PST 2009 207 * Added support for by_key operations for inc/dec methods. 208 * Added mget test to memslap. 209 * Support for compatible ketama for SpyMemcached 210 * Update C++ interface. 211 * Fix for memcp 212 2130.34 Tue Oct 13 08:39:51 PDT 2009 214 * Added support for setting behavior flags on a connection pool. 215 * Don't increment server_failure_counter on normal disconnects. 216 * Added prototype for a callback based protocol parser (server side) with examples so that you could let your own application speak the memcached protocol 217 * Updated memcapable to test ASCII protocol. 218 * Changed behavior so that server can be removed at first sign of failure. 219 * Added memcached_server_get_last_disconnect() call 220 2210.33 Wed Sep 23 10:11:58 PDT 2009 222 * Added memcapable to test servers for binary compatibility. 223 * 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). 224 * Several bug fixes for binary protocol support. 225 * Fixed crashing issue with dumping from memcachd server (server internals were changed without documenting change). 226 2270.32 Tue Sep 15 15:49:09 PDT 2009 228 * Change of behavior where linger is only modified for no-block and then it is set to zero. 229 * Added Twitter's memcached_server_error() functions. 230 * Fix for OSX compiles in development builds. 231 * Updated C++ interface. 232 * 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. 233 2340.31 Fri Jul 10 09:02:50 PDT 2009 235 * Added support or HA via replication. 236 * malloc() removed for server key usage. 237 * Update build system. 238 * Added support for memcached_set_memory_allocators(). 239 * Fixed bug in configure.ac for have_htoll. 240 2410.30 Sun May 31 17:31:52 PDT 2009 242 * Added memcachd_dump command (and framework for memdump tool). 243 * Realigned all structures to remove padding (and line up important bits for 64bit caches. 244 * Remove some of sprintf() in storage calls(). 245 * Removed printf() in stat call for unknown stat member. 246 * memcached_generate_hash() function added. 247 * Added tests to make sure all hash functions are stable. 248 2490.29 Tue May 19 08:26:48 PDT 2009 250 * Fixed malloc usage to calloc for spots where we need zero filled memory. 251 * All code warnings now treated as errors. 252 * Fixes for debian packaging. 253 * Added new pooling mechanism. 254 * MEMCACHED_BEHAVIOR_NO_BLOCK no longer also sets MEMCACHED_BEHAVIOR_BUFFER_REQUESTS. 255 * Updated generic rpm. 256 2570.28 Tue Apr 14 18:56:28 PDT 2009 258 * Fixed bug in init sructure (reapplied) 259 * Fixed bug in get/set by key (nikkhils@gmail.com) 260 2610.27 Sun Mar 29 22:33:01 PDT 2009 262 * Added new UDP fire-forget mode. 263 * Reworked performance for mget() to better make use of async protocol 264 * Cleaned up execution of fetch (just one set of code now) 265 * Fixed Jenkin's for big endian hosts. 266 * Updates for memstat to determine network latency. 267 * Updates for binary protocol. 268 * Many updates to documentation. 269 2700.26 Thu Jan 29 13:05:50 PST 2009 271 * Fix for decrement on hash key 272 * Fixed assert that was catching bad memset() call in host_reset() 273 * Fix purge issue for blocked IO which has been stacked. 274 2750.25 Fri Nov 28 09:59:35 PST 2008 276 * Jenkins HASH added. 277 * Update of Murmur hash code 278 * Support explicit weights (Robey Pointer, Evan Weaver) 279 * Bugfix for ketama continuum (Robey Pointer) 280 * New behavior MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY (Robey Pointer) 281 * Don't ever call stats for weighting servers, because it is unstable. 282 2830.24 Tue Sep 16 02:59:03 PDT 2008 (never released) 284 * Cleanup compile warnings. 285 * Fix issues in partitioning by keys. 286 * Fixed "fail case" to make sure when calling memcached_clone() no memcached_st is over written. 287 * New memcached_server_by_key() method for finding a server from a key. 288 * memcached_server_free() was added for freeing server structures. 289 290 2910.23 Sun Sep 7 08:13:59 PDT 2008 292 * Added strings.h header for Solaris 9 293 * Solaris 64bit fix. 294 * Support for weighted Ketama from Yin Chen. 295 * Fix for Chinese 296 * Fix for 0 length key to trigger bad key. 297 * Added behaviors MEMCACHED_BEHAVIOR_SND_TIMEOUT, MEMCACHED_BEHAVIOR_RCV_TIMEOUT 298 * Support for Binary Protocol added 299 3000.22 Mon Jul 14 09:24:11 PDT 2008 301 * Fix where master key was no being checked for "bad key" 302 * Fixed bugs in stats output (thread output was wrong) 303 * Clarified MEMCACHED_BAD_KEY_PROVIDED is return for bad prefix key. 304 * Found a bug in Flags return (Jacek Ostrowski) 305 * Fixed issue with compiling on Visual Studio 306 3070.21 Fri May 23 18:34:09 PDT 2008 308 * Change of char * to const char * for all key based functions. 309 * New MEMCACHED_CALLBACK_PREFIX_KEY added. You can now create domains for values. 310 * Fixed bug introducd in last version on memcp 311 * Fix for death of file io to call shutdown() 312 3130.20 Mon May 5 08:34:26 PDT 2008 314 * New consistent distribution tests. 315 * Found a memory leak when a server constantly fails. 316 * Fix in watchpoint macro 317 * Changed default timeout to 1 second for poll timeouts 318 * Wheel uses less memory/dynamic allocation for size (no longer limited to 512 hosts by default. 319 * memslap memory leak fix 320 * Added Ketama distribution 321 * Fix assert.h compile problem on CentOS 322 3230.19 Wed Apr 9 09:30:53 PDT 2008 324 * Documentation fix in libmemcached. 325 * Fixed bug where sort was always occuring on hosts 326 * Logic fix in branch prediction (thanks Jay!) 327 * Read through cached support. 328 * Fixed for cas by key operation. 329 * Fix for memcached_server_st list structures to have correct count. 330 * Added callback MEMCACHED_CALLBACK_DELETE_TRIGGER 331 * Removed function call in favor of macro (aka cut out some instructions) 332 333 3340.18 Sun Mar 16 21:57:55 PDT 2008 335 * Fix plus tests for non-zero value objects and flags. 336 * MEMCACHED_HASH_MURMUR added for murmur algorithm provided. 337 * MEMCACHED_BEHAVIOR_RETRY_TIMEOUT added to keep connecting from looping on timeout. 338 * gcc branch prediction optimizations 339 * Refactored entire tree to make include files cleaner 340 * Fixed leaked socket. 341 3420.17 Wed Feb 27 03:33:29 PST 2008 343 * MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT added for connect timeout in non-block mode. 344 * Incompatible change in memcached_behavior_set() api. We now use a uint64_t, instead of a pointer. 345 * Fix for storage of values for zero. 346 * memcached_server_cursor() function added to API for cycling through servers. 347 3480.16 Mon Feb 18 00:30:25 PST 2008 349 * Work on the UDP protocol 350 * Added get_by_key, set_by_key tests for C++ API 351 * Fix for limit_maxbytes to be 64bit in stats 352 * Added Atom Smasher test (scale baby, scale!) 353 * 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. 354 * Added MEMCACHED_BAD_KEY_PROVIDED error for auto, set, and get operations. MEMCACHED_BEHAVIOR_VERIFY_KEY was added to enable this feature. 355 * More error messages on command line tools. 356 * Fixed bugs in memcached_cas() operator. 357 * Fix to loop through interfaces 358 3590.15 Tue Jan 29 14:55:44 PST 2008 360 * More work on the C++ API. 361 * Bug fixes around block corner cases. 362 * Slight performance increase in both read() and write(). 363 3640.14 Tue Jan 22 06:21:49 PST 2008 365 * For for bug found by Evan Weaver where increment() was not returning propper error of value was not found. 366 * Fix for bad null pointer on flag by Toru Maesaka. 367 * Refactor of all IO to just pass in the active server 368 * Problem configuring (PKG_CHECK_MODULES) fixed by removal of "rpath" in support/libmemcached.pc.in (Thanks to Ross McFarland). 369 * Added memcached_callback_get()/set() 370 * First prototype of C++ interface 371 * Updated docs for uint16_t changes in previous release 372 3730.13 Sun Jan 13 06:51:50 PST 2008 374 * MEMCACHED_BEHAVIOR_USER_DATA added to store user pointer. 375 * Fix for failure to connect to invalidate socket. 376 * Patch from Marc Rossi to add --hash option for memcp, memrm, and memcat. 377 * Kevin's patch for fixing EOF issues during a read. 378 * Toru Maesaka patch for stats mismatch 379 * Fix for when CRC return 0 380 * Fixed uint16_t issues around flags. Turns out the documentation on the protocol was wrong. 381 * Lingering socket fixes for FreeBSD. 382 * Patches from Kevin Dalley for FreeBSD 4.0 383 * Added multi delete functions. 384 * All get key returns have C style null termination 385 * If memcached_server_list_append is passed NULLs instead of pointers it returns NULL. 386 * Added memcached_fetch_execute() method 387 * Found a bug where memcached_fetch() was not null terminating the result value. 388 * memcached_behavior() now has the ability to set "buffering" so that data is not automatically flushed. 389 * Behavior change, buffered commands now return MEMCACHED_BUFFERED 390 3910.12 Tue Dec 11 15:20:55 PST 2007 392 * Updates for consistent hashing 393 * IPV6 support 394 * Static allocation for hostname (performance) 395 * Fixed bug where in non-block mode all data might not have been sent on close(). 396 * Refactor of memcached_get() to use common code. 397 * Change in value fetch, MEMCACHED_END is now returned when keys are no longer in the pipe. 398 * Fixed bug where key could be out of range of characters 399 * Added _by_key() methods to allow partitioning of values to particular servers. 400 * MEMCACHED_DEFAILT_TIMEOUT is now set to a non -1 value. 401 * Performance improvements in get operations. 402 4030.11 Mon Nov 26 01:05:52 PST 2007 404 * Added option to memcache_behavior_set() so that poll() can be timed out. 405 * Fixed memory leak in case of using memcached_fetch_result() where no value was returned. 406 * Bug fixed in memcached_connect() which would cause servers that did not need to be enabled to be enabled (performance issue). 407 * Rewrote bounds checking code for get calls. 408 * "make test" now starts its own memcached servers. 409 * Added Hseih hash (MEMCACHED_HASH_HSIEH), which is showing about 7% performance over standard hash. 410 4110.10 Tue Nov 20 23:22:31 PST 2007 412 * Added append binary test. 413 * Added MEMCACHED_BEHAVIOR_CACHE_LOOKUPS behavior so that you can save on multiple DNS lookups. 414 * Added CAS support, though this is optional and must be enabled during runtime. 415 * Added the utility memerror to create human readable error strings from memcached errors (aka convert ints to strings) 416 * Fixed type in MEMCACHED_HOST_LOOKUP_FAILURE 417 * Fixed bug where hostname might not be null terminated 418 * Moved to using gethostbyname_r() on Linux to solve thread safety issue 419 * Added -rpath support for pkg-config 420 * Documentation fix for hash setting using memcached_behavior_set() 421 4220.9 Thu Nov 15 07:44:00 PST 2007 423 * fix for when no servers are definied. 424 * different buffers are now kept for different connections to speed up async efforts 425 * Modified increment/decrement functions to return uint64_t values 426 * Fixed bug in cases where zero length keys were provided 427 * Thread cleanup issue in memslap 428 * No hostname lookup on reconnect 429 * Fix for flag settings (was doing hex by accident!) 430 * Support for 1.2.4 server additions "prepend" and "append" added. 431 * Added memcached_version()... not sure if I will make this public or not. 432 4330.8 Mon Nov 5 10:40:41 PST 2007 434 * Adding support for CRC hash method 435 * Adding support for UNIX sockets 436 * Added additional HASHing methods of FNV1_64,FNV1A_64, FNV1_32, FNV1A_32 437 * Added pkgconfig support (PKG_CHECK_MODULES) 438 * Fixed conflict with defined type in MySQL 439 * Added memcached_result_st structure and functions to manipulate it. 440 4410.7 Tue Oct 30 09:24:05 PDT 2007 442 * Poved to poll() from select() 443 * Fixes in internal string class for allocation of large numbers of strings. 444 * memcached_mget() function now sends keys as it parses them instead of building strings as it goes. 445 * Propper flush now for making sure we get all IO sent even when in non-block mode. 446 * Added --enable-debug rule for configure 447 * All asserts() removed (hey this is going into production!) 448 449 4500.6 Wed Oct 17 08:41:35 PDT 2007 451 * get value returns are now null terminated (request by Cal Heldenbrand) 452 * Fixed connections for more hosts then two. 453 * Rewrite of the read/write IO systems to handle different sorts of host failures. 454 * Added man pages for all functions and tools 455 * Raised buffer size for readinng/writing to 16K 456 * You can now optionally set the socket size for recv/send via memached_behavior_set/get. 457 4580.5 Tue Oct 9 00:22:25 PDT 2007 459 * Ruby maintainer mentioned TCP_NODELAY patch he had added. Added this to C 460 library as well. (Eric Hodel drbrain@segment7.net) 461 * Added support script for set_benchmark 462 * Updated memslap to allow testing of TCP_NODELAY 463 * Updated memslap to support --flush (aka dump memcache servers before testing) 464 * Fixed bug in multiple hosts not being activated 465 * Added environmental variable MEMCACHED_SERVERS which can be used to set the servers list. 466 * fixed memcached_stat method (and now memstat works) 467 * server connect now happens on demand. 468 * Help for all command line applications 469 4700.4 Wed Oct 3 10:28:50 PDT 2007 471 * Added buffered IO to write calls for keys 472 * Added buffered IO for reads 473 * memstat was broken (bad if/else on connect) 474 * New non-blocking IO (not default yet). Mucho faster 475 * Refactor of test system. 476 * memslap crash solved 477 4780.3 Mon Oct 1 06:37:52 PDT 2007 479 * Jeff Fisher <guppy@techmonkeys.org> provided a spec file 480 * Added "make rpm" around dist file 481 * Added support for Solaris 482 * Added support for DTrace 483 * Fixed read to be recv and write to be send 484 * Bug fix where memstat would core if no server was found 485 * Added memslap tool (load generator) 486 * Numerous bug fixes in library 487 * Added calls to library for creating host lists (see text cases to understand how to use this). 488 4890.2 Thu Sep 27 03:46:57 PDT 2007 490 * First public version 491 492