1 1.0.5 Tue Mar 13 22:56:47 PDT 2012
3 * Version is now parsed directly in the parser, which makes buffered operations now work with it..
4 * memstat has been extended so that it can be used to find the version of the server.
5 * Update documentation.
6 * Fixes for compile issues on Debian and Ubuntu
8 1.0.4 Thu Jan 26 22:33:54 PST 2012
9 * Fix for memcached_dump().
10 * Additional testing for memcached_stat_execute().
12 1.0.3 Sun Jan 8 18:11:36 PST 2012
13 * Increased size of sort buffer used during Ketama.
14 * Added support for new behavior to handle dead servers.
15 * Overall haul of UDP IO.
16 * Fixed C compile issue with memcached_exist()
18 * Clang support for OSX.
19 * All commands now using vector send support.
21 1.0.2 Mon Oct 24 08:00:48 PDT 2011
22 * Dropped libmemcached/memcached_util.h (undocumented header file)
23 * Added memcached_touch() and memcached_touch_by_key()
24 * UDP support restructured to toggle on a complete memcached_st structure.
26 0.53 Mon Sep 26 20:50:33 PDT 2011
27 * Fix for FreeBSD/OpenBSD and -lm
28 * Added memcached_exist()
29 * Fix for memory when using config test.
32 0.52 Sun Sep 11 22:16:08 PDT 2011
33 * Build fixes for Ubuntu/Suse.
35 * Bug fix for looping back through dns lookups under certain failures.
36 * Fixes related to dead server failures.
38 0.51 Thu Jul 21 11:08:58 PDT 2011
39 * memcached_callback_set() now takes its data argument as const
41 * Fix in parser for port number.
43 0.50 Mon Jun 20 10:36:57 PDT 2011
44 * Updates to C++ interface
45 * Custom free allocators need to now check for value before calling free.
46 * memcached_fetch_result() now uses the internal result when available (about 25 to 50% faster).
47 * Fix for stats structure.
48 * Updates to documentation.
49 * memcached_fetch_result() now uses the internal result when available (about 25 to 50% faster).
51 0.49 Thu Apr 14 08:43:37 PDT 2011
52 * Fix calls to auto methods so that if value is not passed in nothing bad happens.
53 * New parser calls for generating memcached_st objects.
55 * New flow control for messages means faster get/set calls.
56 * Added new documentation system.
57 * 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.
58 * Added MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS to simplify the setting of AUTO REJECT for servers.
60 0.48 Tue Mar 15 23:05:18 PDT 2011
61 * Fix memory leak in server parse.
62 * Move test framework out to be its own library (easier to work with Gearman).
65 0.47 Wed Feb 23 18:46:48 PST 2011
66 * Additional fixes for OpenBSD.
67 * Bug fix 677609, 456080.
68 * SIGPIPE fix for Linux send().
69 * memcapable can now test ascii or binary based on flags.
70 * Additional build fixes for SASL.
73 0.46 Mon Feb 14 10:28:01 PST 2011
74 * Fixes a number of corner case bugs.
75 * Fixes related to OpenBSD.
76 * Better testing for protocol version.
77 * Removes special case infinite wait on blocking setup.
79 0.45 Tue Feb 8 16:02:06 PST 2011
80 * Add support for systemtap
82 0.44 Wed Sep 22 21:57:57 PDT 2010
84 * Hudson port support in test harness.
85 * Improved portability of test hanrness.
88 0.43 Wed Jul 28 16:29:47 PDT 2010
89 * Added --args to memstat so that a greater range of values can be returned.
90 * Prelimanary support for Windows.
91 * memcached_stat_execute() merged.
93 0.42 Tue Jul 6 12:29:50 PDT 2010
94 * Mistake in libtool caused issue with library version
96 0.41 Wed Jun 30 13:15:19 PDT 2010
97 * Added --file for memcat.
98 * Added limemcached_ping() to libmemcached_util
99 * Bugfix for some cases where connect would have issues with timeout.
100 * Wrong value for errno given as error on an IO failure inside of poll.
101 * Bug fix for issue where multiple interfaces with bad DNS were not being caught.
103 0.40 Thu Apr 22 19:01:25 PDT 2010
104 * Placed retry logic in for busted resolvers
105 * Add an ignore for SIGPIPE to solve OSX issues.
106 * A couple of fixed for memcached_light server.
107 * Updated to debug mode to track io_wait
109 0.39 Tue Apr 6 12:35:13 PDT 2010
110 * Add support for prefix keys to binary protocol.
111 * Remove the undocumented call memcached_server_remove().
112 * The undocumented call memcached_server_by_key() now returns const.
113 * memcached_server_error_reset() has been deprecated.
114 * memcached_server_list() has been deprecated. Use memcached_server_cursor() to walk the servers found in a memcached_st() structure.
115 * memcached_verbosity() can now be run concurrently with other operations.
117 * Fixes memory leak found in EJECT HOSTS.
119 0.38 Wed Feb 10 09:40:33 PST 2010
120 * C++ interface for libhashkit.
121 * Modified memcached_set_memory_allocators() so that it requires a context pointer.
122 * memcached_clone() now runs 5 times faster.
123 * Functions used for callbacks are now given const memcached_st.
124 * Added MEMCACHED_BEHAVIOR_CORK.
125 * memslap now creates a configuration file at ~/.memslap.cnf
126 * memcached_purge() now calls any callbacks registered during get execution.
127 * Many fixes to memslap.
128 * Updates for memcapable.
129 * Compile fixes for OpenBSD.
130 * Fix for possible recursive decent on IO failure.
132 0.37 Mon Jan 11 16:29:57 PST 2010
133 * Fixed build for libhashkit.
134 * Fixed install path regression.
135 * Modified RPM to strict check install.
136 * Added documentation for memcached_server_cursor();
137 * Added memcached_servers_reset().
138 * Modified memcached_st to remove dead cursor_server member.
140 0.36 Wed Jan 6 18:23:50 PST 2010
141 * Merged in new memslap utility.
142 * All of constants.h has been updated to match style (all old identifiers continue to work).
143 * Added first pass for libhashkit.
144 * Updated test Framework/extended tests.
145 * Random read support during replication added.
146 * Modified use_sort so that the option can be applied to any distribution type.
147 * We removed the MEMCACHED_BEHAVIOR_KETAMA_COMPAT_MODE added in 0.35. Instead use memcached_behavior_set_distribution().
149 0.35 Mon Nov 9 11:18:33 PST 2009
150 * Added support for by_key operations for inc/dec methods.
151 * Added mget test to memslap.
152 * Support for compatible ketama for SpyMemcached
153 * Update C++ interface.
156 0.34 Tue Oct 13 08:39:51 PDT 2009
157 * Added support for setting behavior flags on a connection pool.
158 * Don't increment server_failure_counter on normal disconnects.
159 * Added prototype for a callback based protocol parser (server side) with examples so that you could let your own application speak the memcached protocol
160 * Updated memcapable to test ASCII protocol.
161 * Changed behavior so that server can be removed at first sign of failure.
162 * Added memcached_server_get_last_disconnect() call
164 0.33 Wed Sep 23 10:11:58 PDT 2009
165 * Added memcapable to test servers for binary compatibility.
166 * 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).
167 * Several bug fixes for binary protocol support.
168 * Fixed crashing issue with dumping from memcachd server (server internals were changed without documenting change).
170 0.32 Tue Sep 15 15:49:09 PDT 2009
171 * Change of behavior where linger is only modified for no-block and then it is set to zero.
172 * Added Twitter's memcached_server_error() functions.
173 * Fix for OSX compiles in development builds.
174 * Updated C++ interface.
175 * 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.
177 0.31 Fri Jul 10 09:02:50 PDT 2009
178 * Added support or HA via replication.
179 * malloc() removed for server key usage.
180 * Update build system.
181 * Added support for memcached_set_memory_allocators().
182 * Fixed bug in configure.ac for have_htoll.
184 0.30 Sun May 31 17:31:52 PDT 2009
185 * Added memcachd_dump command (and framework for memdump tool).
186 * Realigned all structures to remove padding (and line up important bits for 64bit caches.
187 * Remove some of sprintf() in storage calls().
188 * Removed printf() in stat call for unknown stat member.
189 * memcached_generate_hash() function added.
190 * Added tests to make sure all hash functions are stable.
192 0.29 Tue May 19 08:26:48 PDT 2009
193 * Fixed malloc usage to calloc for spots where we need zero filled memory.
194 * All code warnings now treated as errors.
195 * Fixes for debian packaging.
196 * Added new pooling mechanism.
197 * MEMCACHED_BEHAVIOR_NO_BLOCK no longer also sets MEMCACHED_BEHAVIOR_BUFFER_REQUESTS.
198 * Updated generic rpm.
200 0.28 Tue Apr 14 18:56:28 PDT 2009
201 * Fixed bug in init sructure (reapplied)
202 * Fixed bug in get/set by key (nikkhils@gmail.com)
204 0.27 Sun Mar 29 22:33:01 PDT 2009
205 * Added new UDP fire-forget mode.
206 * Reworked performance for mget() to better make use of async protocol
207 * Cleaned up execution of fetch (just one set of code now)
208 * Fixed Jenkin's for big endian hosts.
209 * Updates for memstat to determine network latency.
210 * Updates for binary protocol.
211 * Many updates to documentation.
213 0.26 Thu Jan 29 13:05:50 PST 2009
214 * Fix for decrement on hash key
215 * Fixed assert that was catching bad memset() call in host_reset()
216 * Fix purge issue for blocked IO which has been stacked.
218 0.25 Fri Nov 28 09:59:35 PST 2008
219 * Jenkins HASH added.
220 * Update of Murmur hash code
221 * Support explicit weights (Robey Pointer, Evan Weaver)
222 * Bugfix for ketama continuum (Robey Pointer)
223 * New behavior MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY (Robey Pointer)
224 * Don't ever call stats for weighting servers, because it is unstable.
226 0.24 Tue Sep 16 02:59:03 PDT 2008 (never released)
227 * Cleanup compile warnings.
228 * Fix issues in partitioning by keys.
229 * Fixed "fail case" to make sure when calling memcached_clone() no memcached_st is over written.
230 * New memcached_server_by_key() method for finding a server from a key.
231 * memcached_server_free() was added for freeing server structures.
234 0.23 Sun Sep 7 08:13:59 PDT 2008
235 * Added strings.h header for Solaris 9
237 * Support for weighted Ketama from Yin Chen.
239 * Fix for 0 length key to trigger bad key.
240 * Added behaviors MEMCACHED_BEHAVIOR_SND_TIMEOUT, MEMCACHED_BEHAVIOR_RCV_TIMEOUT
241 * Support for Binary Protocol added
243 0.22 Mon Jul 14 09:24:11 PDT 2008
244 * Fix where master key was no being checked for "bad key"
245 * Fixed bugs in stats output (thread output was wrong)
246 * Clarified MEMCACHED_BAD_KEY_PROVIDED is return for bad prefix key.
247 * Found a bug in Flags return (Jacek Ostrowski)
248 * Fixed issue with compiling on Visual Studio
250 0.21 Fri May 23 18:34:09 PDT 2008
251 * Change of char * to const char * for all key based functions.
252 * New MEMCACHED_CALLBACK_PREFIX_KEY added. You can now create domains for values.
253 * Fixed bug introducd in last version on memcp
254 * Fix for death of file io to call shutdown()
256 0.20 Mon May 5 08:34:26 PDT 2008
257 * New consistent distribution tests.
258 * Found a memory leak when a server constantly fails.
259 * Fix in watchpoint macro
260 * Changed default timeout to 1 second for poll timeouts
261 * Wheel uses less memory/dynamic allocation for size (no longer limited to 512 hosts by default.
262 * memslap memory leak fix
263 * Added Ketama distribution
264 * Fix assert.h compile problem on CentOS
266 0.19 Wed Apr 9 09:30:53 PDT 2008
267 * Documentation fix in libmemcached.
268 * Fixed bug where sort was always occuring on hosts
269 * Logic fix in branch prediction (thanks Jay!)
270 * Read through cached support.
271 * Fixed for cas by key operation.
272 * Fix for memcached_server_st list structures to have correct count.
273 * Added callback MEMCACHED_CALLBACK_DELETE_TRIGGER
274 * Removed function call in favor of macro (aka cut out some instructions)
277 0.18 Sun Mar 16 21:57:55 PDT 2008
278 * Fix plus tests for non-zero value objects and flags.
279 * MEMCACHED_HASH_MURMUR added for murmur algorithm provided.
280 * MEMCACHED_BEHAVIOR_RETRY_TIMEOUT added to keep connecting from looping on timeout.
281 * gcc branch prediction optimizations
282 * Refactored entire tree to make include files cleaner
283 * Fixed leaked socket.
285 0.17 Wed Feb 27 03:33:29 PST 2008
286 * MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT added for connect timeout in non-block mode.
287 * Incompatible change in memcached_behavior_set() api. We now use a uint64_t, instead of a pointer.
288 * Fix for storage of values for zero.
289 * memcached_server_cursor() function added to API for cycling through servers.
291 0.16 Mon Feb 18 00:30:25 PST 2008
292 * Work on the UDP protocol
293 * Added get_by_key, set_by_key tests for C++ API
294 * Fix for limit_maxbytes to be 64bit in stats
295 * Added Atom Smasher test (scale baby, scale!)
296 * 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.
297 * Added MEMCACHED_BAD_KEY_PROVIDED error for auto, set, and get operations. MEMCACHED_BEHAVIOR_VERIFY_KEY was added to enable this feature.
298 * More error messages on command line tools.
299 * Fixed bugs in memcached_cas() operator.
300 * Fix to loop through interfaces
302 0.15 Tue Jan 29 14:55:44 PST 2008
303 * More work on the C++ API.
304 * Bug fixes around block corner cases.
305 * Slight performance increase in both read() and write().
307 0.14 Tue Jan 22 06:21:49 PST 2008
308 * For for bug found by Evan Weaver where increment() was not returning propper error of value was not found.
309 * Fix for bad null pointer on flag by Toru Maesaka.
310 * Refactor of all IO to just pass in the active server
311 * Problem configuring (PKG_CHECK_MODULES) fixed by removal of "rpath" in support/libmemcached.pc.in (Thanks to Ross McFarland).
312 * Added memcached_callback_get()/set()
313 * First prototype of C++ interface
314 * Updated docs for uint16_t changes in previous release
316 0.13 Sun Jan 13 06:51:50 PST 2008
317 * MEMCACHED_BEHAVIOR_USER_DATA added to store user pointer.
318 * Fix for failure to connect to invalidate socket.
319 * Patch from Marc Rossi to add --hash option for memcp, memrm, and memcat.
320 * Kevin's patch for fixing EOF issues during a read.
321 * Toru Maesaka patch for stats mismatch
322 * Fix for when CRC return 0
323 * Fixed uint16_t issues around flags. Turns out the documentation on the protocol was wrong.
324 * Lingering socket fixes for FreeBSD.
325 * Patches from Kevin Dalley for FreeBSD 4.0
326 * Added multi delete functions.
327 * All get key returns have C style null termination
328 * If memcached_server_list_append is passed NULLs instead of pointers it returns NULL.
329 * Added memcached_fetch_execute() method
330 * Found a bug where memcached_fetch() was not null terminating the result value.
331 * memcached_behavior() now has the ability to set "buffering" so that data is not automatically flushed.
332 * Behavior change, buffered commands now return MEMCACHED_BUFFERED
334 0.12 Tue Dec 11 15:20:55 PST 2007
335 * Updates for consistent hashing
337 * Static allocation for hostname (performance)
338 * Fixed bug where in non-block mode all data might not have been sent on close().
339 * Refactor of memcached_get() to use common code.
340 * Change in value fetch, MEMCACHED_END is now returned when keys are no longer in the pipe.
341 * Fixed bug where key could be out of range of characters
342 * Added _by_key() methods to allow partitioning of values to particular servers.
343 * MEMCACHED_DEFAILT_TIMEOUT is now set to a non -1 value.
344 * Performance improvements in get operations.
346 0.11 Mon Nov 26 01:05:52 PST 2007
347 * Added option to memcache_behavior_set() so that poll() can be timed out.
348 * Fixed memory leak in case of using memcached_fetch_result() where no value was returned.
349 * Bug fixed in memcached_connect() which would cause servers that did not need to be enabled to be enabled (performance issue).
350 * Rewrote bounds checking code for get calls.
351 * "make test" now starts its own memcached servers.
352 * Added Hseih hash (MEMCACHED_HASH_HSIEH), which is showing about 7% performance over standard hash.
354 0.10 Tue Nov 20 23:22:31 PST 2007
355 * Added append binary test.
356 * Added MEMCACHED_BEHAVIOR_CACHE_LOOKUPS behavior so that you can save on multiple DNS lookups.
357 * Added CAS support, though this is optional and must be enabled during runtime.
358 * Added the utility memerror to create human readable error strings from memcached errors (aka convert ints to strings)
359 * Fixed type in MEMCACHED_HOST_LOOKUP_FAILURE
360 * Fixed bug where hostname might not be null terminated
361 * Moved to using gethostbyname_r() on Linux to solve thread safety issue
362 * Added -rpath support for pkg-config
363 * Documentation fix for hash setting using memcached_behavior_set()
365 0.9 Thu Nov 15 07:44:00 PST 2007
366 * fix for when no servers are definied.
367 * different buffers are now kept for different connections to speed up async efforts
368 * Modified increment/decrement functions to return uint64_t values
369 * Fixed bug in cases where zero length keys were provided
370 * Thread cleanup issue in memslap
371 * No hostname lookup on reconnect
372 * Fix for flag settings (was doing hex by accident!)
373 * Support for 1.2.4 server additions "prepend" and "append" added.
374 * Added memcached_version()... not sure if I will make this public or not.
376 0.8 Mon Nov 5 10:40:41 PST 2007
377 * Adding support for CRC hash method
378 * Adding support for UNIX sockets
379 * Added additional HASHing methods of FNV1_64,FNV1A_64, FNV1_32, FNV1A_32
380 * Added pkgconfig support (PKG_CHECK_MODULES)
381 * Fixed conflict with defined type in MySQL
382 * Added memcached_result_st structure and functions to manipulate it.
384 0.7 Tue Oct 30 09:24:05 PDT 2007
385 * Poved to poll() from select()
386 * Fixes in internal string class for allocation of large numbers of strings.
387 * memcached_mget() function now sends keys as it parses them instead of building strings as it goes.
388 * Propper flush now for making sure we get all IO sent even when in non-block mode.
389 * Added --enable-debug rule for configure
390 * All asserts() removed (hey this is going into production!)
393 0.6 Wed Oct 17 08:41:35 PDT 2007
394 * get value returns are now null terminated (request by Cal Heldenbrand)
395 * Fixed connections for more hosts then two.
396 * Rewrite of the read/write IO systems to handle different sorts of host failures.
397 * Added man pages for all functions and tools
398 * Raised buffer size for readinng/writing to 16K
399 * You can now optionally set the socket size for recv/send via memached_behavior_set/get.
401 0.5 Tue Oct 9 00:22:25 PDT 2007
402 * Ruby maintainer mentioned TCP_NODELAY patch he had added. Added this to C
403 library as well. (Eric Hodel drbrain@segment7.net)
404 * Added support script for set_benchmark
405 * Updated memslap to allow testing of TCP_NODELAY
406 * Updated memslap to support --flush (aka dump memcache servers before testing)
407 * Fixed bug in multiple hosts not being activated
408 * Added environmental variable MEMCACHED_SERVERS which can be used to set the servers list.
409 * fixed memcached_stat method (and now memstat works)
410 * server connect now happens on demand.
411 * Help for all command line applications
413 0.4 Wed Oct 3 10:28:50 PDT 2007
414 * Added buffered IO to write calls for keys
415 * Added buffered IO for reads
416 * memstat was broken (bad if/else on connect)
417 * New non-blocking IO (not default yet). Mucho faster
418 * Refactor of test system.
419 * memslap crash solved
421 0.3 Mon Oct 1 06:37:52 PDT 2007
422 * Jeff Fisher <guppy@techmonkeys.org> provided a spec file
423 * Added "make rpm" around dist file
424 * Added support for Solaris
425 * Added support for DTrace
426 * Fixed read to be recv and write to be send
427 * Bug fix where memstat would core if no server was found
428 * Added memslap tool (load generator)
429 * Numerous bug fixes in library
430 * Added calls to library for creating host lists (see text cases to understand how to use this).
432 0.2 Thu Sep 27 03:46:57 PDT 2007
433 * First public version
projects / awesomized / libmemcached / blob