1 1.0.3 Sun Jan 8 18:11:36 PST 2012
2 * Increased size of sort buffer used during Ketama.
3 * Added support for new behavior to handle dead servers.
4 * Overall haul of UDP IO.
5 * Fixed C compile issue with memcached_exist()
7 * Clang support for OSX.
8 * All commands now using vector send support.
10 1.0.2 Mon Oct 24 08:00:48 PDT 2011
11 * Dropped libmemcached/memcached_util.h (undocumented header file)
12 * Added memcached_touch() and memcached_touch_by_key()
13 * UDP support restructured to toggle on a complete memcached_st structure.
15 0.53 Mon Sep 26 20:50:33 PDT 2011
16 * Fix for FreeBSD/OpenBSD and -lm
17 * Added memcached_exist()
18 * Fix for memory when using config test.
21 0.52 Sun Sep 11 22:16:08 PDT 2011
22 * Build fixes for Ubuntu/Suse.
24 * Bug fix for looping back through dns lookups under certain failures.
25 * Fixes related to dead server failures.
27 0.51 Thu Jul 21 11:08:58 PDT 2011
28 * memcached_callback_set() now takes its data argument as const
30 * Fix in parser for port number.
32 0.50 Mon Jun 20 10:36:57 PDT 2011
33 * Updates to C++ interface
34 * Custom free allocators need to now check for value before calling free.
35 * memcached_fetch_result() now uses the internal result when available (about 25 to 50% faster).
36 * Fix for stats structure.
37 * Updates to documentation.
39 0.49 Thu Apr 14 08:43:37 PDT 2011
40 * Fix calls to auto methods so that if value is not passed in nothing bad happens.
41 * New parser calls for generating memcached_st objects.
43 * New flow control for messages means faster get/set calls.
44 * Added new documentation system.
45 * 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.
46 * 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.
47 * Added MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS to simplify the setting of AUTO REJECT for servers.
49 0.48 Tue Mar 15 23:05:18 PDT 2011
50 * Fix memory leak in server parse.
51 * Move test framework out to be its own library (easier to work with Gearman).
54 0.47 Wed Feb 23 18:46:48 PST 2011
55 * Additional fixes for OpenBSD.
56 * Bug fix 677609, 456080.
57 * SIGPIPE fix for Linux send().
58 * memcapable can now test ascii or binary based on flags.
59 * Additional build fixes for SASL.
62 0.46 Mon Feb 14 10:28:01 PST 2011
63 * Fixes a number of corner case bugs.
64 * Fixes related to OpenBSD.
65 * Better testing for protocol version.
66 * Removes special case infinite wait on blocking setup.
68 0.45 Tue Feb 8 16:02:06 PST 2011
69 * Add support for systemtap
71 0.44 Wed Sep 22 21:57:57 PDT 2010
73 * Hudson port support in test harness.
74 * Improved portability of test hanrness.
77 0.43 Wed Jul 28 16:29:47 PDT 2010
78 * Added --args to memstat so that a greater range of values can be returned.
79 * Prelimanary support for Windows.
80 * memcached_stat_execute() merged.
82 0.42 Tue Jul 6 12:29:50 PDT 2010
83 * Mistake in libtool caused issue with library version
85 0.41 Wed Jun 30 13:15:19 PDT 2010
86 * Added --file for memcat.
87 * Added limemcached_ping() to libmemcached_util
88 * Bugfix for some cases where connect would have issues with timeout.
89 * Wrong value for errno given as error on an IO failure inside of poll.
90 * Bug fix for issue where multiple interfaces with bad DNS were not being caught.
92 0.40 Thu Apr 22 19:01:25 PDT 2010
93 * Placed retry logic in for busted resolvers
94 * Add an ignore for SIGPIPE to solve OSX issues.
95 * A couple of fixed for memcached_light server.
96 * Updated to debug mode to track io_wait
98 0.39 Tue Apr 6 12:35:13 PDT 2010
99 * Add support for prefix keys to binary protocol.
100 * Remove the undocumented call memcached_server_remove().
101 * The undocumented call memcached_server_by_key() now returns const.
102 * memcached_server_error_reset() has been deprecated.
103 * memcached_server_list() has been deprecated. Use memcached_server_cursor() to walk the servers found in a memcached_st() structure.
104 * memcached_verbosity() can now be run concurrently with other operations.
106 * Fixes memory leak found in EJECT HOSTS.
108 0.38 Wed Feb 10 09:40:33 PST 2010
109 * C++ interface for libhashkit.
110 * Modified memcached_set_memory_allocators() so that it requires a context pointer.
111 * memcached_clone() now runs 5 times faster.
112 * Functions used for callbacks are now given const memcached_st.
113 * Added MEMCACHED_BEHAVIOR_CORK.
114 * memslap now creates a configuration file at ~/.memslap.cnf
115 * memcached_purge() now calls any callbacks registered during get execution.
116 * Many fixes to memslap.
117 * Updates for memcapable.
118 * Compile fixes for OpenBSD.
119 * Fix for possible recursive decent on IO failure.
121 0.37 Mon Jan 11 16:29:57 PST 2010
122 * Fixed build for libhashkit.
123 * Fixed install path regression.
124 * Modified RPM to strict check install.
125 * Added documentation for memcached_server_cursor();
126 * Added memcached_servers_reset().
127 * Modified memcached_st to remove dead cursor_server member.
129 0.36 Wed Jan 6 18:23:50 PST 2010
130 * Merged in new memslap utility.
131 * All of constants.h has been updated to match style (all old identifiers continue to work).
132 * Added first pass for libhashkit.
133 * Updated test Framework/extended tests.
134 * Random read support during replication added.
135 * Modified use_sort so that the option can be applied to any distribution type.
136 * We removed the MEMCACHED_BEHAVIOR_KETAMA_COMPAT_MODE added in 0.35. Instead use memcached_behavior_set_distribution().
138 0.35 Mon Nov 9 11:18:33 PST 2009
139 * Added support for by_key operations for inc/dec methods.
140 * Added mget test to memslap.
141 * Support for compatible ketama for SpyMemcached
142 * Update C++ interface.
145 0.34 Tue Oct 13 08:39:51 PDT 2009
146 * Added support for setting behavior flags on a connection pool.
147 * Don't increment server_failure_counter on normal disconnects.
148 * Added prototype for a callback based protocol parser (server side) with examples so that you could let your own application speak the memcached protocol
149 * Updated memcapable to test ASCII protocol.
150 * Changed behavior so that server can be removed at first sign of failure.
151 * Added memcached_server_get_last_disconnect() call
153 0.33 Wed Sep 23 10:11:58 PDT 2009
154 * Added memcapable to test servers for binary compatibility.
155 * 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).
156 * Several bug fixes for binary protocol support.
157 * Fixed crashing issue with dumping from memcachd server (server internals were changed without documenting change).
159 0.32 Tue Sep 15 15:49:09 PDT 2009
160 * Change of behavior where linger is only modified for no-block and then it is set to zero.
161 * Added Twitter's memcached_server_error() functions.
162 * Fix for OSX compiles in development builds.
163 * Updated C++ interface.
164 * 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.
166 0.31 Fri Jul 10 09:02:50 PDT 2009
167 * Added support or HA via replication.
168 * malloc() removed for server key usage.
169 * Update build system.
170 * Added support for memcached_set_memory_allocators().
171 * Fixed bug in configure.ac for have_htoll.
173 0.30 Sun May 31 17:31:52 PDT 2009
174 * Added memcachd_dump command (and framework for memdump tool).
175 * Realigned all structures to remove padding (and line up important bits for 64bit caches.
176 * Remove some of sprintf() in storage calls().
177 * Removed printf() in stat call for unknown stat member.
178 * memcached_generate_hash() function added.
179 * Added tests to make sure all hash functions are stable.
181 0.29 Tue May 19 08:26:48 PDT 2009
182 * Fixed malloc usage to calloc for spots where we need zero filled memory.
183 * All code warnings now treated as errors.
184 * Fixes for debian packaging.
185 * Added new pooling mechanism.
186 * MEMCACHED_BEHAVIOR_NO_BLOCK no longer also sets MEMCACHED_BEHAVIOR_BUFFER_REQUESTS.
187 * Updated generic rpm.
189 0.28 Tue Apr 14 18:56:28 PDT 2009
190 * Fixed bug in init sructure (reapplied)
191 * Fixed bug in get/set by key (nikkhils@gmail.com)
193 0.27 Sun Mar 29 22:33:01 PDT 2009
194 * Added new UDP fire-forget mode.
195 * Reworked performance for mget() to better make use of async protocol
196 * Cleaned up execution of fetch (just one set of code now)
197 * Fixed Jenkin's for big endian hosts.
198 * Updates for memstat to determine network latency.
199 * Updates for binary protocol.
200 * Many updates to documentation.
202 0.26 Thu Jan 29 13:05:50 PST 2009
203 * Fix for decrement on hash key
204 * Fixed assert that was catching bad memset() call in host_reset()
205 * Fix purge issue for blocked IO which has been stacked.
207 0.25 Fri Nov 28 09:59:35 PST 2008
208 * Jenkins HASH added.
209 * Update of Murmur hash code
210 * Support explicit weights (Robey Pointer, Evan Weaver)
211 * Bugfix for ketama continuum (Robey Pointer)
212 * New behavior MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY (Robey Pointer)
213 * Don't ever call stats for weighting servers, because it is unstable.
215 0.24 Tue Sep 16 02:59:03 PDT 2008 (never released)
216 * Cleanup compile warnings.
217 * Fix issues in partitioning by keys.
218 * Fixed "fail case" to make sure when calling memcached_clone() no memcached_st is over written.
219 * New memcached_server_by_key() method for finding a server from a key.
220 * memcached_server_free() was added for freeing server structures.
223 0.23 Sun Sep 7 08:13:59 PDT 2008
224 * Added strings.h header for Solaris 9
226 * Support for weighted Ketama from Yin Chen.
228 * Fix for 0 length key to trigger bad key.
229 * Added behaviors MEMCACHED_BEHAVIOR_SND_TIMEOUT, MEMCACHED_BEHAVIOR_RCV_TIMEOUT
230 * Support for Binary Protocol added
232 0.22 Mon Jul 14 09:24:11 PDT 2008
233 * Fix where master key was no being checked for "bad key"
234 * Fixed bugs in stats output (thread output was wrong)
235 * Clarified MEMCACHED_BAD_KEY_PROVIDED is return for bad prefix key.
236 * Found a bug in Flags return (Jacek Ostrowski)
237 * Fixed issue with compiling on Visual Studio
239 0.21 Fri May 23 18:34:09 PDT 2008
240 * Change of char * to const char * for all key based functions.
241 * New MEMCACHED_CALLBACK_PREFIX_KEY added. You can now create domains for values.
242 * Fixed bug introducd in last version on memcp
243 * Fix for death of file io to call shutdown()
245 0.20 Mon May 5 08:34:26 PDT 2008
246 * New consistent distribution tests.
247 * Found a memory leak when a server constantly fails.
248 * Fix in watchpoint macro
249 * Changed default timeout to 1 second for poll timeouts
250 * Wheel uses less memory/dynamic allocation for size (no longer limited to 512 hosts by default.
251 * memslap memory leak fix
252 * Added Ketama distribution
253 * Fix assert.h compile problem on CentOS
255 0.19 Wed Apr 9 09:30:53 PDT 2008
256 * Documentation fix in libmemcached.
257 * Fixed bug where sort was always occuring on hosts
258 * Logic fix in branch prediction (thanks Jay!)
259 * Read through cached support.
260 * Fixed for cas by key operation.
261 * Fix for memcached_server_st list structures to have correct count.
262 * Added callback MEMCACHED_CALLBACK_DELETE_TRIGGER
263 * Removed function call in favor of macro (aka cut out some instructions)
266 0.18 Sun Mar 16 21:57:55 PDT 2008
267 * Fix plus tests for non-zero value objects and flags.
268 * MEMCACHED_HASH_MURMUR added for murmur algorithm provided.
269 * MEMCACHED_BEHAVIOR_RETRY_TIMEOUT added to keep connecting from looping on timeout.
270 * gcc branch prediction optimizations
271 * Refactored entire tree to make include files cleaner
272 * Fixed leaked socket.
274 0.17 Wed Feb 27 03:33:29 PST 2008
275 * MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT added for connect timeout in non-block mode.
276 * Incompatible change in memcached_behavior_set() api. We now use a uint64_t, instead of a pointer.
277 * Fix for storage of values for zero.
278 * memcached_server_cursor() function added to API for cycling through servers.
280 0.16 Mon Feb 18 00:30:25 PST 2008
281 * Work on the UDP protocol
282 * Added get_by_key, set_by_key tests for C++ API
283 * Fix for limit_maxbytes to be 64bit in stats
284 * Added Atom Smasher test (scale baby, scale!)
285 * 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.
286 * Added MEMCACHED_BAD_KEY_PROVIDED error for auto, set, and get operations. MEMCACHED_BEHAVIOR_VERIFY_KEY was added to enable this feature.
287 * More error messages on command line tools.
288 * Fixed bugs in memcached_cas() operator.
289 * Fix to loop through interfaces
291 0.15 Tue Jan 29 14:55:44 PST 2008
292 * More work on the C++ API.
293 * Bug fixes around block corner cases.
294 * Slight performance increase in both read() and write().
296 0.14 Tue Jan 22 06:21:49 PST 2008
297 * For for bug found by Evan Weaver where increment() was not returning propper error of value was not found.
298 * Fix for bad null pointer on flag by Toru Maesaka.
299 * Refactor of all IO to just pass in the active server
300 * Problem configuring (PKG_CHECK_MODULES) fixed by removal of "rpath" in support/libmemcached.pc.in (Thanks to Ross McFarland).
301 * Added memcached_callback_get()/set()
302 * First prototype of C++ interface
303 * Updated docs for uint16_t changes in previous release
305 0.13 Sun Jan 13 06:51:50 PST 2008
306 * MEMCACHED_BEHAVIOR_USER_DATA added to store user pointer.
307 * Fix for failure to connect to invalidate socket.
308 * Patch from Marc Rossi to add --hash option for memcp, memrm, and memcat.
309 * Kevin's patch for fixing EOF issues during a read.
310 * Toru Maesaka patch for stats mismatch
311 * Fix for when CRC return 0
312 * Fixed uint16_t issues around flags. Turns out the documentation on the protocol was wrong.
313 * Lingering socket fixes for FreeBSD.
314 * Patches from Kevin Dalley for FreeBSD 4.0
315 * Added multi delete functions.
316 * All get key returns have C style null termination
317 * If memcached_server_list_append is passed NULLs instead of pointers it returns NULL.
318 * Added memcached_fetch_execute() method
319 * Found a bug where memcached_fetch() was not null terminating the result value.
320 * memcached_behavior() now has the ability to set "buffering" so that data is not automatically flushed.
321 * Behavior change, buffered commands now return MEMCACHED_BUFFERED
323 0.12 Tue Dec 11 15:20:55 PST 2007
324 * Updates for consistent hashing
326 * Static allocation for hostname (performance)
327 * Fixed bug where in non-block mode all data might not have been sent on close().
328 * Refactor of memcached_get() to use common code.
329 * Change in value fetch, MEMCACHED_END is now returned when keys are no longer in the pipe.
330 * Fixed bug where key could be out of range of characters
331 * Added _by_key() methods to allow partitioning of values to particular servers.
332 * MEMCACHED_DEFAILT_TIMEOUT is now set to a non -1 value.
333 * Performance improvements in get operations.
335 0.11 Mon Nov 26 01:05:52 PST 2007
336 * Added option to memcache_behavior_set() so that poll() can be timed out.
337 * Fixed memory leak in case of using memcached_fetch_result() where no value was returned.
338 * Bug fixed in memcached_connect() which would cause servers that did not need to be enabled to be enabled (performance issue).
339 * Rewrote bounds checking code for get calls.
340 * "make test" now starts its own memcached servers.
341 * Added Hseih hash (MEMCACHED_HASH_HSIEH), which is showing about 7% performance over standard hash.
343 0.10 Tue Nov 20 23:22:31 PST 2007
344 * Added append binary test.
345 * Added MEMCACHED_BEHAVIOR_CACHE_LOOKUPS behavior so that you can save on multiple DNS lookups.
346 * Added CAS support, though this is optional and must be enabled during runtime.
347 * Added the utility memerror to create human readable error strings from memcached errors (aka convert ints to strings)
348 * Fixed type in MEMCACHED_HOST_LOOKUP_FAILURE
349 * Fixed bug where hostname might not be null terminated
350 * Moved to using gethostbyname_r() on Linux to solve thread safety issue
351 * Added -rpath support for pkg-config
352 * Documentation fix for hash setting using memcached_behavior_set()
354 0.9 Thu Nov 15 07:44:00 PST 2007
355 * fix for when no servers are definied.
356 * different buffers are now kept for different connections to speed up async efforts
357 * Modified increment/decrement functions to return uint64_t values
358 * Fixed bug in cases where zero length keys were provided
359 * Thread cleanup issue in memslap
360 * No hostname lookup on reconnect
361 * Fix for flag settings (was doing hex by accident!)
362 * Support for 1.2.4 server additions "prepend" and "append" added.
363 * Added memcached_version()... not sure if I will make this public or not.
365 0.8 Mon Nov 5 10:40:41 PST 2007
366 * Adding support for CRC hash method
367 * Adding support for UNIX sockets
368 * Added additional HASHing methods of FNV1_64,FNV1A_64, FNV1_32, FNV1A_32
369 * Added pkgconfig support (PKG_CHECK_MODULES)
370 * Fixed conflict with defined type in MySQL
371 * Added memcached_result_st structure and functions to manipulate it.
373 0.7 Tue Oct 30 09:24:05 PDT 2007
374 * Poved to poll() from select()
375 * Fixes in internal string class for allocation of large numbers of strings.
376 * memcached_mget() function now sends keys as it parses them instead of building strings as it goes.
377 * Propper flush now for making sure we get all IO sent even when in non-block mode.
378 * Added --enable-debug rule for configure
379 * All asserts() removed (hey this is going into production!)
382 0.6 Wed Oct 17 08:41:35 PDT 2007
383 * get value returns are now null terminated (request by Cal Heldenbrand)
384 * Fixed connections for more hosts then two.
385 * Rewrite of the read/write IO systems to handle different sorts of host failures.
386 * Added man pages for all functions and tools
387 * Raised buffer size for readinng/writing to 16K
388 * You can now optionally set the socket size for recv/send via memached_behavior_set/get.
390 0.5 Tue Oct 9 00:22:25 PDT 2007
391 * Ruby maintainer mentioned TCP_NODELAY patch he had added. Added this to C
392 library as well. (Eric Hodel drbrain@segment7.net)
393 * Added support script for set_benchmark
394 * Updated memslap to allow testing of TCP_NODELAY
395 * Updated memslap to support --flush (aka dump memcache servers before testing)
396 * Fixed bug in multiple hosts not being activated
397 * Added environmental variable MEMCACHED_SERVERS which can be used to set the servers list.
398 * fixed memcached_stat method (and now memstat works)
399 * server connect now happens on demand.
400 * Help for all command line applications
402 0.4 Wed Oct 3 10:28:50 PDT 2007
403 * Added buffered IO to write calls for keys
404 * Added buffered IO for reads
405 * memstat was broken (bad if/else on connect)
406 * New non-blocking IO (not default yet). Mucho faster
407 * Refactor of test system.
408 * memslap crash solved
410 0.3 Mon Oct 1 06:37:52 PDT 2007
411 * Jeff Fisher <guppy@techmonkeys.org> provided a spec file
412 * Added "make rpm" around dist file
413 * Added support for Solaris
414 * Added support for DTrace
415 * Fixed read to be recv and write to be send
416 * Bug fix where memstat would core if no server was found
417 * Added memslap tool (load generator)
418 * Numerous bug fixes in library
419 * Added calls to library for creating host lists (see text cases to understand how to use this).
421 0.2 Thu Sep 27 03:46:57 PDT 2007
422 * First public version
projects / m6w6 / libmemcached / blob