3 * Added support for Murmur3 (HASHKIT_HASH_MURMUR3)
5 1.0.14 Wed Nov 14 04:56:25 EST 2012
6 * CLIENT_ERROR fixed to not be treated as a fatal error.
7 * Compiler fixes for older Ubuntu releases.
9 1.0.13 Fri Oct 19 00:09:28 EDT 2012
10 * Fix bug that caused version string to not be exported correctly.
12 1.0.12 Tue Oct 9 03:30:20 EDT 2012
13 * Added memcached_result_take_value().
14 * Added ax_libmemcached.m4
16 1.0.11 Sun Sep 16 20:32:13 EDT 2012
17 * Removed custom version of memcached.
18 * Updated hardening rules.
19 * Fixed a case where the return error from a socket connection differred from that of a TCP/IP socket.
21 1.0.10 Sun Jul 29 21:50:15 PDT 2012
22 * --disable-assert has been removed from configure, and --enable-assert has been added in its place.
23 * Compiling fixes for Clang on OSX Mountain Lion.
25 1.0.9 Wed Jul 4 22:46:19 EDT 2012
26 * Faster close on socket.
27 * Instance allocation is now seperated from server interface. This should allow for a better preservation of ABI compliance from now on.
28 * Fix close on exec bug.
29 * Numerous other bug fixes.
31 1.0.8 Tue May 22 15:06:04 EDT 2012
32 * Added support for setting options via ENV variable LIBMEMCACHED
33 * Fix corner case on last used result.
35 1.0.7 Sat Apr 28 00:48:29 PDT 2012
36 * Add API call for exist calls.
37 * Update all license files to be BSD.
39 1.0.6 Sat Apr 7 18:26:49 PDT 2012
40 * Fixes for gcc 4.7, lp:961812
41 * Fix for restart issue that happens under testing.
43 * Support for transparent AES encryption.
45 1.0.5 Tue Mar 13 22:56:47 PDT 2012
47 * Version is now parsed directly in the parser, which makes buffered operations now work with it..
48 * memstat has been extended so that it can be used to find the version of the server.
49 * Update documentation.
50 * Fixes for compile issues on Debian and Ubuntu
52 1.0.4 Thu Jan 26 22:33:54 PST 2012
53 * Fix for memcached_dump().
54 * Additional testing for memcached_stat_execute().
56 1.0.3 Sun Jan 8 18:11:36 PST 2012
57 * Increased size of sort buffer used during Ketama.
58 * Added support for new behavior to handle dead servers.
59 * Overall haul of UDP IO.
60 * Fixed C compile issue with memcached_exist()
62 * Clang support for OSX.
63 * All commands now using vector send support.
65 1.0.2 Mon Oct 24 08:00:48 PDT 2011
66 * Dropped libmemcached/memcached_util.h (undocumented header file)
67 * Added memcached_touch() and memcached_touch_by_key()
68 * UDP support restructured to toggle on a complete memcached_st structure.
70 0.53 Mon Sep 26 20:50:33 PDT 2011
71 * Fix for FreeBSD/OpenBSD and -lm
72 * Added memcached_exist()
73 * Fix for memory when using config test.
76 0.52 Sun Sep 11 22:16:08 PDT 2011
77 * Build fixes for Ubuntu/Suse.
79 * Bug fix for looping back through dns lookups under certain failures.
80 * Fixes related to dead server failures.
82 0.51 Thu Jul 21 11:08:58 PDT 2011
83 * memcached_callback_set() now takes its data argument as const
85 * Fix in parser for port number.
87 0.50 Mon Jun 20 10:36:57 PDT 2011
88 * Updates to C++ interface
89 * Custom free allocators need to now check for value before calling free.
90 * memcached_fetch_result() now uses the internal result when available (about 25 to 50% faster).
91 * Fix for stats structure.
92 * Updates to documentation.
93 * memcached_fetch_result() now uses the internal result when available (about 25 to 50% faster).
95 0.49 Thu Apr 14 08:43:37 PDT 2011
96 * Fix calls to auto methods so that if value is not passed in nothing bad happens.
97 * New parser calls for generating memcached_st objects.
99 * New flow control for messages means faster get/set calls.
100 * Added new documentation system.
101 * 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.
102 * Added MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS to simplify the setting of AUTO REJECT for servers.
104 0.48 Tue Mar 15 23:05:18 PDT 2011
105 * Fix memory leak in server parse.
106 * Move test framework out to be its own library (easier to work with Gearman).
109 0.47 Wed Feb 23 18:46:48 PST 2011
110 * Additional fixes for OpenBSD.
111 * Bug fix 677609, 456080.
112 * SIGPIPE fix for Linux send().
113 * memcapable can now test ascii or binary based on flags.
114 * Additional build fixes for SASL.
117 0.46 Mon Feb 14 10:28:01 PST 2011
118 * Fixes a number of corner case bugs.
119 * Fixes related to OpenBSD.
120 * Better testing for protocol version.
121 * Removes special case infinite wait on blocking setup.
123 0.45 Tue Feb 8 16:02:06 PST 2011
124 * Add support for systemtap
126 0.44 Wed Sep 22 21:57:57 PDT 2010
128 * Hudson port support in test harness.
129 * Improved portability of test hanrness.
132 0.43 Wed Jul 28 16:29:47 PDT 2010
133 * Added --args to memstat so that a greater range of values can be returned.
134 * Prelimanary support for Windows.
135 * memcached_stat_execute() merged.
137 0.42 Tue Jul 6 12:29:50 PDT 2010
138 * Mistake in libtool caused issue with library version
140 0.41 Wed Jun 30 13:15:19 PDT 2010
141 * Added --file for memcat.
142 * Added limemcached_ping() to libmemcached_util
143 * Bugfix for some cases where connect would have issues with timeout.
144 * Wrong value for errno given as error on an IO failure inside of poll.
145 * Bug fix for issue where multiple interfaces with bad DNS were not being caught.
147 0.40 Thu Apr 22 19:01:25 PDT 2010
148 * Placed retry logic in for busted resolvers
149 * Add an ignore for SIGPIPE to solve OSX issues.
150 * A couple of fixed for memcached_light server.
151 * Updated to debug mode to track io_wait
153 0.39 Tue Apr 6 12:35:13 PDT 2010
154 * Add support for prefix keys to binary protocol.
155 * Remove the undocumented call memcached_server_remove().
156 * The undocumented call memcached_server_by_key() now returns const.
157 * memcached_server_error_reset() has been deprecated.
158 * memcached_server_list() has been deprecated. Use memcached_server_cursor() to walk the servers found in a memcached_st() structure.
159 * memcached_verbosity() can now be run concurrently with other operations.
161 * Fixes memory leak found in EJECT HOSTS.
163 0.38 Wed Feb 10 09:40:33 PST 2010
164 * C++ interface for libhashkit.
165 * Modified memcached_set_memory_allocators() so that it requires a context pointer.
166 * memcached_clone() now runs 5 times faster.
167 * Functions used for callbacks are now given const memcached_st.
168 * Added MEMCACHED_BEHAVIOR_CORK.
169 * memslap now creates a configuration file at ~/.memslap.cnf
170 * memcached_purge() now calls any callbacks registered during get execution.
171 * Many fixes to memslap.
172 * Updates for memcapable.
173 * Compile fixes for OpenBSD.
174 * Fix for possible recursive decent on IO failure.
176 0.37 Mon Jan 11 16:29:57 PST 2010
177 * Fixed build for libhashkit.
178 * Fixed install path regression.
179 * Modified RPM to strict check install.
180 * Added documentation for memcached_server_cursor();
181 * Added memcached_servers_reset().
182 * Modified memcached_st to remove dead cursor_server member.
184 0.36 Wed Jan 6 18:23:50 PST 2010
185 * Merged in new memslap utility.
186 * All of constants.h has been updated to match style (all old identifiers continue to work).
187 * Added first pass for libhashkit.
188 * Updated test Framework/extended tests.
189 * Random read support during replication added.
190 * Modified use_sort so that the option can be applied to any distribution type.
191 * We removed the MEMCACHED_BEHAVIOR_KETAMA_COMPAT_MODE added in 0.35. Instead use memcached_behavior_set_distribution().
193 0.35 Mon Nov 9 11:18:33 PST 2009
194 * Added support for by_key operations for inc/dec methods.
195 * Added mget test to memslap.
196 * Support for compatible ketama for SpyMemcached
197 * Update C++ interface.
200 0.34 Tue Oct 13 08:39:51 PDT 2009
201 * Added support for setting behavior flags on a connection pool.
202 * Don't increment server_failure_counter on normal disconnects.
203 * Added prototype for a callback based protocol parser (server side) with examples so that you could let your own application speak the memcached protocol
204 * Updated memcapable to test ASCII protocol.
205 * Changed behavior so that server can be removed at first sign of failure.
206 * Added memcached_server_get_last_disconnect() call
208 0.33 Wed Sep 23 10:11:58 PDT 2009
209 * Added memcapable to test servers for binary compatibility.
210 * 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).
211 * Several bug fixes for binary protocol support.
212 * Fixed crashing issue with dumping from memcachd server (server internals were changed without documenting change).
214 0.32 Tue Sep 15 15:49:09 PDT 2009
215 * Change of behavior where linger is only modified for no-block and then it is set to zero.
216 * Added Twitter's memcached_server_error() functions.
217 * Fix for OSX compiles in development builds.
218 * Updated C++ interface.
219 * 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.
221 0.31 Fri Jul 10 09:02:50 PDT 2009
222 * Added support or HA via replication.
223 * malloc() removed for server key usage.
224 * Update build system.
225 * Added support for memcached_set_memory_allocators().
226 * Fixed bug in configure.ac for have_htoll.
228 0.30 Sun May 31 17:31:52 PDT 2009
229 * Added memcachd_dump command (and framework for memdump tool).
230 * Realigned all structures to remove padding (and line up important bits for 64bit caches.
231 * Remove some of sprintf() in storage calls().
232 * Removed printf() in stat call for unknown stat member.
233 * memcached_generate_hash() function added.
234 * Added tests to make sure all hash functions are stable.
236 0.29 Tue May 19 08:26:48 PDT 2009
237 * Fixed malloc usage to calloc for spots where we need zero filled memory.
238 * All code warnings now treated as errors.
239 * Fixes for debian packaging.
240 * Added new pooling mechanism.
241 * MEMCACHED_BEHAVIOR_NO_BLOCK no longer also sets MEMCACHED_BEHAVIOR_BUFFER_REQUESTS.
242 * Updated generic rpm.
244 0.28 Tue Apr 14 18:56:28 PDT 2009
245 * Fixed bug in init sructure (reapplied)
246 * Fixed bug in get/set by key (nikkhils@gmail.com)
248 0.27 Sun Mar 29 22:33:01 PDT 2009
249 * Added new UDP fire-forget mode.
250 * Reworked performance for mget() to better make use of async protocol
251 * Cleaned up execution of fetch (just one set of code now)
252 * Fixed Jenkin's for big endian hosts.
253 * Updates for memstat to determine network latency.
254 * Updates for binary protocol.
255 * Many updates to documentation.
257 0.26 Thu Jan 29 13:05:50 PST 2009
258 * Fix for decrement on hash key
259 * Fixed assert that was catching bad memset() call in host_reset()
260 * Fix purge issue for blocked IO which has been stacked.
262 0.25 Fri Nov 28 09:59:35 PST 2008
263 * Jenkins HASH added.
264 * Update of Murmur hash code
265 * Support explicit weights (Robey Pointer, Evan Weaver)
266 * Bugfix for ketama continuum (Robey Pointer)
267 * New behavior MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY (Robey Pointer)
268 * Don't ever call stats for weighting servers, because it is unstable.
270 0.24 Tue Sep 16 02:59:03 PDT 2008 (never released)
271 * Cleanup compile warnings.
272 * Fix issues in partitioning by keys.
273 * Fixed "fail case" to make sure when calling memcached_clone() no memcached_st is over written.
274 * New memcached_server_by_key() method for finding a server from a key.
275 * memcached_server_free() was added for freeing server structures.
278 0.23 Sun Sep 7 08:13:59 PDT 2008
279 * Added strings.h header for Solaris 9
281 * Support for weighted Ketama from Yin Chen.
283 * Fix for 0 length key to trigger bad key.
284 * Added behaviors MEMCACHED_BEHAVIOR_SND_TIMEOUT, MEMCACHED_BEHAVIOR_RCV_TIMEOUT
285 * Support for Binary Protocol added
287 0.22 Mon Jul 14 09:24:11 PDT 2008
288 * Fix where master key was no being checked for "bad key"
289 * Fixed bugs in stats output (thread output was wrong)
290 * Clarified MEMCACHED_BAD_KEY_PROVIDED is return for bad prefix key.
291 * Found a bug in Flags return (Jacek Ostrowski)
292 * Fixed issue with compiling on Visual Studio
294 0.21 Fri May 23 18:34:09 PDT 2008
295 * Change of char * to const char * for all key based functions.
296 * New MEMCACHED_CALLBACK_PREFIX_KEY added. You can now create domains for values.
297 * Fixed bug introducd in last version on memcp
298 * Fix for death of file io to call shutdown()
300 0.20 Mon May 5 08:34:26 PDT 2008
301 * New consistent distribution tests.
302 * Found a memory leak when a server constantly fails.
303 * Fix in watchpoint macro
304 * Changed default timeout to 1 second for poll timeouts
305 * Wheel uses less memory/dynamic allocation for size (no longer limited to 512 hosts by default.
306 * memslap memory leak fix
307 * Added Ketama distribution
308 * Fix assert.h compile problem on CentOS
310 0.19 Wed Apr 9 09:30:53 PDT 2008
311 * Documentation fix in libmemcached.
312 * Fixed bug where sort was always occuring on hosts
313 * Logic fix in branch prediction (thanks Jay!)
314 * Read through cached support.
315 * Fixed for cas by key operation.
316 * Fix for memcached_server_st list structures to have correct count.
317 * Added callback MEMCACHED_CALLBACK_DELETE_TRIGGER
318 * Removed function call in favor of macro (aka cut out some instructions)
321 0.18 Sun Mar 16 21:57:55 PDT 2008
322 * Fix plus tests for non-zero value objects and flags.
323 * MEMCACHED_HASH_MURMUR added for murmur algorithm provided.
324 * MEMCACHED_BEHAVIOR_RETRY_TIMEOUT added to keep connecting from looping on timeout.
325 * gcc branch prediction optimizations
326 * Refactored entire tree to make include files cleaner
327 * Fixed leaked socket.
329 0.17 Wed Feb 27 03:33:29 PST 2008
330 * MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT added for connect timeout in non-block mode.
331 * Incompatible change in memcached_behavior_set() api. We now use a uint64_t, instead of a pointer.
332 * Fix for storage of values for zero.
333 * memcached_server_cursor() function added to API for cycling through servers.
335 0.16 Mon Feb 18 00:30:25 PST 2008
336 * Work on the UDP protocol
337 * Added get_by_key, set_by_key tests for C++ API
338 * Fix for limit_maxbytes to be 64bit in stats
339 * Added Atom Smasher test (scale baby, scale!)
340 * 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.
341 * Added MEMCACHED_BAD_KEY_PROVIDED error for auto, set, and get operations. MEMCACHED_BEHAVIOR_VERIFY_KEY was added to enable this feature.
342 * More error messages on command line tools.
343 * Fixed bugs in memcached_cas() operator.
344 * Fix to loop through interfaces
346 0.15 Tue Jan 29 14:55:44 PST 2008
347 * More work on the C++ API.
348 * Bug fixes around block corner cases.
349 * Slight performance increase in both read() and write().
351 0.14 Tue Jan 22 06:21:49 PST 2008
352 * For for bug found by Evan Weaver where increment() was not returning propper error of value was not found.
353 * Fix for bad null pointer on flag by Toru Maesaka.
354 * Refactor of all IO to just pass in the active server
355 * Problem configuring (PKG_CHECK_MODULES) fixed by removal of "rpath" in support/libmemcached.pc.in (Thanks to Ross McFarland).
356 * Added memcached_callback_get()/set()
357 * First prototype of C++ interface
358 * Updated docs for uint16_t changes in previous release
360 0.13 Sun Jan 13 06:51:50 PST 2008
361 * MEMCACHED_BEHAVIOR_USER_DATA added to store user pointer.
362 * Fix for failure to connect to invalidate socket.
363 * Patch from Marc Rossi to add --hash option for memcp, memrm, and memcat.
364 * Kevin's patch for fixing EOF issues during a read.
365 * Toru Maesaka patch for stats mismatch
366 * Fix for when CRC return 0
367 * Fixed uint16_t issues around flags. Turns out the documentation on the protocol was wrong.
368 * Lingering socket fixes for FreeBSD.
369 * Patches from Kevin Dalley for FreeBSD 4.0
370 * Added multi delete functions.
371 * All get key returns have C style null termination
372 * If memcached_server_list_append is passed NULLs instead of pointers it returns NULL.
373 * Added memcached_fetch_execute() method
374 * Found a bug where memcached_fetch() was not null terminating the result value.
375 * memcached_behavior() now has the ability to set "buffering" so that data is not automatically flushed.
376 * Behavior change, buffered commands now return MEMCACHED_BUFFERED
378 0.12 Tue Dec 11 15:20:55 PST 2007
379 * Updates for consistent hashing
381 * Static allocation for hostname (performance)
382 * Fixed bug where in non-block mode all data might not have been sent on close().
383 * Refactor of memcached_get() to use common code.
384 * Change in value fetch, MEMCACHED_END is now returned when keys are no longer in the pipe.
385 * Fixed bug where key could be out of range of characters
386 * Added _by_key() methods to allow partitioning of values to particular servers.
387 * MEMCACHED_DEFAILT_TIMEOUT is now set to a non -1 value.
388 * Performance improvements in get operations.
390 0.11 Mon Nov 26 01:05:52 PST 2007
391 * Added option to memcache_behavior_set() so that poll() can be timed out.
392 * Fixed memory leak in case of using memcached_fetch_result() where no value was returned.
393 * Bug fixed in memcached_connect() which would cause servers that did not need to be enabled to be enabled (performance issue).
394 * Rewrote bounds checking code for get calls.
395 * "make test" now starts its own memcached servers.
396 * Added Hseih hash (MEMCACHED_HASH_HSIEH), which is showing about 7% performance over standard hash.
398 0.10 Tue Nov 20 23:22:31 PST 2007
399 * Added append binary test.
400 * Added MEMCACHED_BEHAVIOR_CACHE_LOOKUPS behavior so that you can save on multiple DNS lookups.
401 * Added CAS support, though this is optional and must be enabled during runtime.
402 * Added the utility memerror to create human readable error strings from memcached errors (aka convert ints to strings)
403 * Fixed type in MEMCACHED_HOST_LOOKUP_FAILURE
404 * Fixed bug where hostname might not be null terminated
405 * Moved to using gethostbyname_r() on Linux to solve thread safety issue
406 * Added -rpath support for pkg-config
407 * Documentation fix for hash setting using memcached_behavior_set()
409 0.9 Thu Nov 15 07:44:00 PST 2007
410 * fix for when no servers are definied.
411 * different buffers are now kept for different connections to speed up async efforts
412 * Modified increment/decrement functions to return uint64_t values
413 * Fixed bug in cases where zero length keys were provided
414 * Thread cleanup issue in memslap
415 * No hostname lookup on reconnect
416 * Fix for flag settings (was doing hex by accident!)
417 * Support for 1.2.4 server additions "prepend" and "append" added.
418 * Added memcached_version()... not sure if I will make this public or not.
420 0.8 Mon Nov 5 10:40:41 PST 2007
421 * Adding support for CRC hash method
422 * Adding support for UNIX sockets
423 * Added additional HASHing methods of FNV1_64,FNV1A_64, FNV1_32, FNV1A_32
424 * Added pkgconfig support (PKG_CHECK_MODULES)
425 * Fixed conflict with defined type in MySQL
426 * Added memcached_result_st structure and functions to manipulate it.
428 0.7 Tue Oct 30 09:24:05 PDT 2007
429 * Poved to poll() from select()
430 * Fixes in internal string class for allocation of large numbers of strings.
431 * memcached_mget() function now sends keys as it parses them instead of building strings as it goes.
432 * Propper flush now for making sure we get all IO sent even when in non-block mode.
433 * Added --enable-debug rule for configure
434 * All asserts() removed (hey this is going into production!)
437 0.6 Wed Oct 17 08:41:35 PDT 2007
438 * get value returns are now null terminated (request by Cal Heldenbrand)
439 * Fixed connections for more hosts then two.
440 * Rewrite of the read/write IO systems to handle different sorts of host failures.
441 * Added man pages for all functions and tools
442 * Raised buffer size for readinng/writing to 16K
443 * You can now optionally set the socket size for recv/send via memached_behavior_set/get.
445 0.5 Tue Oct 9 00:22:25 PDT 2007
446 * Ruby maintainer mentioned TCP_NODELAY patch he had added. Added this to C
447 library as well. (Eric Hodel drbrain@segment7.net)
448 * Added support script for set_benchmark
449 * Updated memslap to allow testing of TCP_NODELAY
450 * Updated memslap to support --flush (aka dump memcache servers before testing)
451 * Fixed bug in multiple hosts not being activated
452 * Added environmental variable MEMCACHED_SERVERS which can be used to set the servers list.
453 * fixed memcached_stat method (and now memstat works)
454 * server connect now happens on demand.
455 * Help for all command line applications
457 0.4 Wed Oct 3 10:28:50 PDT 2007
458 * Added buffered IO to write calls for keys
459 * Added buffered IO for reads
460 * memstat was broken (bad if/else on connect)
461 * New non-blocking IO (not default yet). Mucho faster
462 * Refactor of test system.
463 * memslap crash solved
465 0.3 Mon Oct 1 06:37:52 PDT 2007
466 * Jeff Fisher <guppy@techmonkeys.org> provided a spec file
467 * Added "make rpm" around dist file
468 * Added support for Solaris
469 * Added support for DTrace
470 * Fixed read to be recv and write to be send
471 * Bug fix where memstat would core if no server was found
472 * Added memslap tool (load generator)
473 * Numerous bug fixes in library
474 * Added calls to library for creating host lists (see text cases to understand how to use this).
476 0.2 Thu Sep 27 03:46:57 PDT 2007
477 * First public version
projects / awesomized / libmemcached / blob