3 * Fixed C compile issue with memcached_exist()
5 1.0.2 Mon Oct 24 08:00:48 PDT 2011
6 * Dropped libmemcached/memcached_util.h (undocumented header file)
7 * Added memcached_touch() and memcached_touch_by_key()
8 * UDP support restructured to toggle on a complete memcached_st structure.
10 0.53 Mon Sep 26 20:50:33 PDT 2011
11 * Fix for FreeBSD/OpenBSD and -lm
12 * Added memcached_exist()
13 * Fix for memory when using config test.
16 0.52 Sun Sep 11 22:16:08 PDT 2011
17 * Build fixes for Ubuntu/Suse.
19 * Bug fix for looping back through dns lookups under certain failures.
20 * Fixes related to dead server failures.
22 0.51 Thu Jul 21 11:08:58 PDT 2011
23 * memcached_callback_set() now takes its data argument as const
25 * Fix in parser for port number.
27 0.50 Mon Jun 20 10:36:57 PDT 2011
28 * Updates to C++ interface
29 * Custom free allocators need to now check for value before calling free.
30 * memcached_fetch_result() now uses the internal result when available (about 25 to 50% faster).
31 * Fix for stats structure.
32 * Updates to documentation.
33 * memcached_fetch_result() now uses the internal result when available (about 25 to 50% faster).
35 0.49 Thu Apr 14 08:43:37 PDT 2011
36 * Fix calls to auto methods so that if value is not passed in nothing bad happens.
37 * New parser calls for generating memcached_st objects.
39 * New flow control for messages means faster get/set calls.
40 * Added new documentation system.
41 * 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.
42 * Added MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS to simplify the setting of AUTO REJECT for servers.
44 0.48 Tue Mar 15 23:05:18 PDT 2011
45 * Fix memory leak in server parse.
46 * Move test framework out to be its own library (easier to work with Gearman).
49 0.47 Wed Feb 23 18:46:48 PST 2011
50 * Additional fixes for OpenBSD.
51 * Bug fix 677609, 456080.
52 * SIGPIPE fix for Linux send().
53 * memcapable can now test ascii or binary based on flags.
54 * Additional build fixes for SASL.
57 0.46 Mon Feb 14 10:28:01 PST 2011
58 * Fixes a number of corner case bugs.
59 * Fixes related to OpenBSD.
60 * Better testing for protocol version.
61 * Removes special case infinite wait on blocking setup.
63 0.45 Tue Feb 8 16:02:06 PST 2011
64 * Add support for systemtap
66 0.44 Wed Sep 22 21:57:57 PDT 2010
68 * Hudson port support in test harness.
69 * Improved portability of test hanrness.
72 0.43 Wed Jul 28 16:29:47 PDT 2010
73 * Added --args to memstat so that a greater range of values can be returned.
74 * Prelimanary support for Windows.
75 * memcached_stat_execute() merged.
77 0.42 Tue Jul 6 12:29:50 PDT 2010
78 * Mistake in libtool caused issue with library version
80 0.41 Wed Jun 30 13:15:19 PDT 2010
81 * Added --file for memcat.
82 * Added limemcached_ping() to libmemcached_util
83 * Bugfix for some cases where connect would have issues with timeout.
84 * Wrong value for errno given as error on an IO failure inside of poll.
85 * Bug fix for issue where multiple interfaces with bad DNS were not being caught.
87 0.40 Thu Apr 22 19:01:25 PDT 2010
88 * Placed retry logic in for busted resolvers
89 * Add an ignore for SIGPIPE to solve OSX issues.
90 * A couple of fixed for memcached_light server.
91 * Updated to debug mode to track io_wait
93 0.39 Tue Apr 6 12:35:13 PDT 2010
94 * Add support for prefix keys to binary protocol.
95 * Remove the undocumented call memcached_server_remove().
96 * The undocumented call memcached_server_by_key() now returns const.
97 * memcached_server_error_reset() has been deprecated.
98 * memcached_server_list() has been deprecated. Use memcached_server_cursor() to walk the servers found in a memcached_st() structure.
99 * memcached_verbosity() can now be run concurrently with other operations.
101 * Fixes memory leak found in EJECT HOSTS.
103 0.38 Wed Feb 10 09:40:33 PST 2010
104 * C++ interface for libhashkit.
105 * Modified memcached_set_memory_allocators() so that it requires a context pointer.
106 * memcached_clone() now runs 5 times faster.
107 * Functions used for callbacks are now given const memcached_st.
108 * Added MEMCACHED_BEHAVIOR_CORK.
109 * memslap now creates a configuration file at ~/.memslap.cnf
110 * memcached_purge() now calls any callbacks registered during get execution.
111 * Many fixes to memslap.
112 * Updates for memcapable.
113 * Compile fixes for OpenBSD.
114 * Fix for possible recursive decent on IO failure.
116 0.37 Mon Jan 11 16:29:57 PST 2010
117 * Fixed build for libhashkit.
118 * Fixed install path regression.
119 * Modified RPM to strict check install.
120 * Added documentation for memcached_server_cursor();
121 * Added memcached_servers_reset().
122 * Modified memcached_st to remove dead cursor_server member.
124 0.36 Wed Jan 6 18:23:50 PST 2010
125 * Merged in new memslap utility.
126 * All of constants.h has been updated to match style (all old identifiers continue to work).
127 * Added first pass for libhashkit.
128 * Updated test Framework/extended tests.
129 * Random read support during replication added.
130 * Modified use_sort so that the option can be applied to any distribution type.
131 * We removed the MEMCACHED_BEHAVIOR_KETAMA_COMPAT_MODE added in 0.35. Instead use memcached_behavior_set_distribution().
133 0.35 Mon Nov 9 11:18:33 PST 2009
134 * Added support for by_key operations for inc/dec methods.
135 * Added mget test to memslap.
136 * Support for compatible ketama for SpyMemcached
137 * Update C++ interface.
140 0.34 Tue Oct 13 08:39:51 PDT 2009
141 * Added support for setting behavior flags on a connection pool.
142 * Don't increment server_failure_counter on normal disconnects.
143 * Added prototype for a callback based protocol parser (server side) with examples so that you could let your own application speak the memcached protocol
144 * Updated memcapable to test ASCII protocol.
145 * Changed behavior so that server can be removed at first sign of failure.
146 * Added memcached_server_get_last_disconnect() call
148 0.33 Wed Sep 23 10:11:58 PDT 2009
149 * Added memcapable to test servers for binary compatibility.
150 * 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).
151 * Several bug fixes for binary protocol support.
152 * Fixed crashing issue with dumping from memcachd server (server internals were changed without documenting change).
154 0.32 Tue Sep 15 15:49:09 PDT 2009
155 * Change of behavior where linger is only modified for no-block and then it is set to zero.
156 * Added Twitter's memcached_server_error() functions.
157 * Fix for OSX compiles in development builds.
158 * Updated C++ interface.
159 * 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.
161 0.31 Fri Jul 10 09:02:50 PDT 2009
162 * Added support or HA via replication.
163 * malloc() removed for server key usage.
164 * Update build system.
165 * Added support for memcached_set_memory_allocators().
166 * Fixed bug in configure.ac for have_htoll.
168 0.30 Sun May 31 17:31:52 PDT 2009
169 * Added memcachd_dump command (and framework for memdump tool).
170 * Realigned all structures to remove padding (and line up important bits for 64bit caches.
171 * Remove some of sprintf() in storage calls().
172 * Removed printf() in stat call for unknown stat member.
173 * memcached_generate_hash() function added.
174 * Added tests to make sure all hash functions are stable.
176 0.29 Tue May 19 08:26:48 PDT 2009
177 * Fixed malloc usage to calloc for spots where we need zero filled memory.
178 * All code warnings now treated as errors.
179 * Fixes for debian packaging.
180 * Added new pooling mechanism.
181 * MEMCACHED_BEHAVIOR_NO_BLOCK no longer also sets MEMCACHED_BEHAVIOR_BUFFER_REQUESTS.
182 * Updated generic rpm.
184 0.28 Tue Apr 14 18:56:28 PDT 2009
185 * Fixed bug in init sructure (reapplied)
186 * Fixed bug in get/set by key (nikkhils@gmail.com)
188 0.27 Sun Mar 29 22:33:01 PDT 2009
189 * Added new UDP fire-forget mode.
190 * Reworked performance for mget() to better make use of async protocol
191 * Cleaned up execution of fetch (just one set of code now)
192 * Fixed Jenkin's for big endian hosts.
193 * Updates for memstat to determine network latency.
194 * Updates for binary protocol.
195 * Many updates to documentation.
197 0.26 Thu Jan 29 13:05:50 PST 2009
198 * Fix for decrement on hash key
199 * Fixed assert that was catching bad memset() call in host_reset()
200 * Fix purge issue for blocked IO which has been stacked.
202 0.25 Fri Nov 28 09:59:35 PST 2008
203 * Jenkins HASH added.
204 * Update of Murmur hash code
205 * Support explicit weights (Robey Pointer, Evan Weaver)
206 * Bugfix for ketama continuum (Robey Pointer)
207 * New behavior MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY (Robey Pointer)
208 * Don't ever call stats for weighting servers, because it is unstable.
210 0.24 Tue Sep 16 02:59:03 PDT 2008 (never released)
211 * Cleanup compile warnings.
212 * Fix issues in partitioning by keys.
213 * Fixed "fail case" to make sure when calling memcached_clone() no memcached_st is over written.
214 * New memcached_server_by_key() method for finding a server from a key.
215 * memcached_server_free() was added for freeing server structures.
218 0.23 Sun Sep 7 08:13:59 PDT 2008
219 * Added strings.h header for Solaris 9
221 * Support for weighted Ketama from Yin Chen.
223 * Fix for 0 length key to trigger bad key.
224 * Added behaviors MEMCACHED_BEHAVIOR_SND_TIMEOUT, MEMCACHED_BEHAVIOR_RCV_TIMEOUT
225 * Support for Binary Protocol added
227 0.22 Mon Jul 14 09:24:11 PDT 2008
228 * Fix where master key was no being checked for "bad key"
229 * Fixed bugs in stats output (thread output was wrong)
230 * Clarified MEMCACHED_BAD_KEY_PROVIDED is return for bad prefix key.
231 * Found a bug in Flags return (Jacek Ostrowski)
232 * Fixed issue with compiling on Visual Studio
234 0.21 Fri May 23 18:34:09 PDT 2008
235 * Change of char * to const char * for all key based functions.
236 * New MEMCACHED_CALLBACK_PREFIX_KEY added. You can now create domains for values.
237 * Fixed bug introducd in last version on memcp
238 * Fix for death of file io to call shutdown()
240 0.20 Mon May 5 08:34:26 PDT 2008
241 * New consistent distribution tests.
242 * Found a memory leak when a server constantly fails.
243 * Fix in watchpoint macro
244 * Changed default timeout to 1 second for poll timeouts
245 * Wheel uses less memory/dynamic allocation for size (no longer limited to 512 hosts by default.
246 * memslap memory leak fix
247 * Added Ketama distribution
248 * Fix assert.h compile problem on CentOS
250 0.19 Wed Apr 9 09:30:53 PDT 2008
251 * Documentation fix in libmemcached.
252 * Fixed bug where sort was always occuring on hosts
253 * Logic fix in branch prediction (thanks Jay!)
254 * Read through cached support.
255 * Fixed for cas by key operation.
256 * Fix for memcached_server_st list structures to have correct count.
257 * Added callback MEMCACHED_CALLBACK_DELETE_TRIGGER
258 * Removed function call in favor of macro (aka cut out some instructions)
261 0.18 Sun Mar 16 21:57:55 PDT 2008
262 * Fix plus tests for non-zero value objects and flags.
263 * MEMCACHED_HASH_MURMUR added for murmur algorithm provided.
264 * MEMCACHED_BEHAVIOR_RETRY_TIMEOUT added to keep connecting from looping on timeout.
265 * gcc branch prediction optimizations
266 * Refactored entire tree to make include files cleaner
267 * Fixed leaked socket.
269 0.17 Wed Feb 27 03:33:29 PST 2008
270 * MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT added for connect timeout in non-block mode.
271 * Incompatible change in memcached_behavior_set() api. We now use a uint64_t, instead of a pointer.
272 * Fix for storage of values for zero.
273 * memcached_server_cursor() function added to API for cycling through servers.
275 0.16 Mon Feb 18 00:30:25 PST 2008
276 * Work on the UDP protocol
277 * Added get_by_key, set_by_key tests for C++ API
278 * Fix for limit_maxbytes to be 64bit in stats
279 * Added Atom Smasher test (scale baby, scale!)
280 * 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.
281 * Added MEMCACHED_BAD_KEY_PROVIDED error for auto, set, and get operations. MEMCACHED_BEHAVIOR_VERIFY_KEY was added to enable this feature.
282 * More error messages on command line tools.
283 * Fixed bugs in memcached_cas() operator.
284 * Fix to loop through interfaces
286 0.15 Tue Jan 29 14:55:44 PST 2008
287 * More work on the C++ API.
288 * Bug fixes around block corner cases.
289 * Slight performance increase in both read() and write().
291 0.14 Tue Jan 22 06:21:49 PST 2008
292 * For for bug found by Evan Weaver where increment() was not returning propper error of value was not found.
293 * Fix for bad null pointer on flag by Toru Maesaka.
294 * Refactor of all IO to just pass in the active server
295 * Problem configuring (PKG_CHECK_MODULES) fixed by removal of "rpath" in support/libmemcached.pc.in (Thanks to Ross McFarland).
296 * Added memcached_callback_get()/set()
297 * First prototype of C++ interface
298 * Updated docs for uint16_t changes in previous release
300 0.13 Sun Jan 13 06:51:50 PST 2008
301 * MEMCACHED_BEHAVIOR_USER_DATA added to store user pointer.
302 * Fix for failure to connect to invalidate socket.
303 * Patch from Marc Rossi to add --hash option for memcp, memrm, and memcat.
304 * Kevin's patch for fixing EOF issues during a read.
305 * Toru Maesaka patch for stats mismatch
306 * Fix for when CRC return 0
307 * Fixed uint16_t issues around flags. Turns out the documentation on the protocol was wrong.
308 * Lingering socket fixes for FreeBSD.
309 * Patches from Kevin Dalley for FreeBSD 4.0
310 * Added multi delete functions.
311 * All get key returns have C style null termination
312 * If memcached_server_list_append is passed NULLs instead of pointers it returns NULL.
313 * Added memcached_fetch_execute() method
314 * Found a bug where memcached_fetch() was not null terminating the result value.
315 * memcached_behavior() now has the ability to set "buffering" so that data is not automatically flushed.
316 * Behavior change, buffered commands now return MEMCACHED_BUFFERED
318 0.12 Tue Dec 11 15:20:55 PST 2007
319 * Updates for consistent hashing
321 * Static allocation for hostname (performance)
322 * Fixed bug where in non-block mode all data might not have been sent on close().
323 * Refactor of memcached_get() to use common code.
324 * Change in value fetch, MEMCACHED_END is now returned when keys are no longer in the pipe.
325 * Fixed bug where key could be out of range of characters
326 * Added _by_key() methods to allow partitioning of values to particular servers.
327 * MEMCACHED_DEFAILT_TIMEOUT is now set to a non -1 value.
328 * Performance improvements in get operations.
330 0.11 Mon Nov 26 01:05:52 PST 2007
331 * Added option to memcache_behavior_set() so that poll() can be timed out.
332 * Fixed memory leak in case of using memcached_fetch_result() where no value was returned.
333 * Bug fixed in memcached_connect() which would cause servers that did not need to be enabled to be enabled (performance issue).
334 * Rewrote bounds checking code for get calls.
335 * "make test" now starts its own memcached servers.
336 * Added Hseih hash (MEMCACHED_HASH_HSIEH), which is showing about 7% performance over standard hash.
338 0.10 Tue Nov 20 23:22:31 PST 2007
339 * Added append binary test.
340 * Added MEMCACHED_BEHAVIOR_CACHE_LOOKUPS behavior so that you can save on multiple DNS lookups.
341 * Added CAS support, though this is optional and must be enabled during runtime.
342 * Added the utility memerror to create human readable error strings from memcached errors (aka convert ints to strings)
343 * Fixed type in MEMCACHED_HOST_LOOKUP_FAILURE
344 * Fixed bug where hostname might not be null terminated
345 * Moved to using gethostbyname_r() on Linux to solve thread safety issue
346 * Added -rpath support for pkg-config
347 * Documentation fix for hash setting using memcached_behavior_set()
349 0.9 Thu Nov 15 07:44:00 PST 2007
350 * fix for when no servers are definied.
351 * different buffers are now kept for different connections to speed up async efforts
352 * Modified increment/decrement functions to return uint64_t values
353 * Fixed bug in cases where zero length keys were provided
354 * Thread cleanup issue in memslap
355 * No hostname lookup on reconnect
356 * Fix for flag settings (was doing hex by accident!)
357 * Support for 1.2.4 server additions "prepend" and "append" added.
358 * Added memcached_version()... not sure if I will make this public or not.
360 0.8 Mon Nov 5 10:40:41 PST 2007
361 * Adding support for CRC hash method
362 * Adding support for UNIX sockets
363 * Added additional HASHing methods of FNV1_64,FNV1A_64, FNV1_32, FNV1A_32
364 * Added pkgconfig support (PKG_CHECK_MODULES)
365 * Fixed conflict with defined type in MySQL
366 * Added memcached_result_st structure and functions to manipulate it.
368 0.7 Tue Oct 30 09:24:05 PDT 2007
369 * Poved to poll() from select()
370 * Fixes in internal string class for allocation of large numbers of strings.
371 * memcached_mget() function now sends keys as it parses them instead of building strings as it goes.
372 * Propper flush now for making sure we get all IO sent even when in non-block mode.
373 * Added --enable-debug rule for configure
374 * All asserts() removed (hey this is going into production!)
377 0.6 Wed Oct 17 08:41:35 PDT 2007
378 * get value returns are now null terminated (request by Cal Heldenbrand)
379 * Fixed connections for more hosts then two.
380 * Rewrite of the read/write IO systems to handle different sorts of host failures.
381 * Added man pages for all functions and tools
382 * Raised buffer size for readinng/writing to 16K
383 * You can now optionally set the socket size for recv/send via memached_behavior_set/get.
385 0.5 Tue Oct 9 00:22:25 PDT 2007
386 * Ruby maintainer mentioned TCP_NODELAY patch he had added. Added this to C
387 library as well. (Eric Hodel drbrain@segment7.net)
388 * Added support script for set_benchmark
389 * Updated memslap to allow testing of TCP_NODELAY
390 * Updated memslap to support --flush (aka dump memcache servers before testing)
391 * Fixed bug in multiple hosts not being activated
392 * Added environmental variable MEMCACHED_SERVERS which can be used to set the servers list.
393 * fixed memcached_stat method (and now memstat works)
394 * server connect now happens on demand.
395 * Help for all command line applications
397 0.4 Wed Oct 3 10:28:50 PDT 2007
398 * Added buffered IO to write calls for keys
399 * Added buffered IO for reads
400 * memstat was broken (bad if/else on connect)
401 * New non-blocking IO (not default yet). Mucho faster
402 * Refactor of test system.
403 * memslap crash solved
405 0.3 Mon Oct 1 06:37:52 PDT 2007
406 * Jeff Fisher <guppy@techmonkeys.org> provided a spec file
407 * Added "make rpm" around dist file
408 * Added support for Solaris
409 * Added support for DTrace
410 * Fixed read to be recv and write to be send
411 * Bug fix where memstat would core if no server was found
412 * Added memslap tool (load generator)
413 * Numerous bug fixes in library
414 * Added calls to library for creating host lists (see text cases to understand how to use this).
416 0.2 Thu Sep 27 03:46:57 PDT 2007
417 * First public version