2 * Fixes for gcc 4.7, lp:961812
3 * Fix for restart issue that happens under testing.
6 1.0.5 Tue Mar 13 22:56:47 PDT 2012
8 * Version is now parsed directly in the parser, which makes buffered operations now work with it..
9 * memstat has been extended so that it can be used to find the version of the server.
10 * Update documentation.
11 * Fixes for compile issues on Debian and Ubuntu
13 1.0.4 Thu Jan 26 22:33:54 PST 2012
14 * Fix for memcached_dump().
15 * Additional testing for memcached_stat_execute().
17 1.0.3 Sun Jan 8 18:11:36 PST 2012
18 * Increased size of sort buffer used during Ketama.
19 * Added support for new behavior to handle dead servers.
20 * Overall haul of UDP IO.
21 * Fixed C compile issue with memcached_exist()
23 * Clang support for OSX.
24 * All commands now using vector send support.
26 1.0.2 Mon Oct 24 08:00:48 PDT 2011
27 * Dropped libmemcached/memcached_util.h (undocumented header file)
28 * Added memcached_touch() and memcached_touch_by_key()
29 * UDP support restructured to toggle on a complete memcached_st structure.
31 0.53 Mon Sep 26 20:50:33 PDT 2011
32 * Fix for FreeBSD/OpenBSD and -lm
33 * Added memcached_exist()
34 * Fix for memory when using config test.
37 0.52 Sun Sep 11 22:16:08 PDT 2011
38 * Build fixes for Ubuntu/Suse.
40 * Bug fix for looping back through dns lookups under certain failures.
41 * Fixes related to dead server failures.
43 0.51 Thu Jul 21 11:08:58 PDT 2011
44 * memcached_callback_set() now takes its data argument as const
46 * Fix in parser for port number.
48 0.50 Mon Jun 20 10:36:57 PDT 2011
49 * Updates to C++ interface
50 * Custom free allocators need to now check for value before calling free.
51 * memcached_fetch_result() now uses the internal result when available (about 25 to 50% faster).
52 * Fix for stats structure.
53 * Updates to documentation.
54 * memcached_fetch_result() now uses the internal result when available (about 25 to 50% faster).
56 0.49 Thu Apr 14 08:43:37 PDT 2011
57 * Fix calls to auto methods so that if value is not passed in nothing bad happens.
58 * New parser calls for generating memcached_st objects.
60 * New flow control for messages means faster get/set calls.
61 * Added new documentation system.
62 * 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.
63 * Added MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS to simplify the setting of AUTO REJECT for servers.
65 0.48 Tue Mar 15 23:05:18 PDT 2011
66 * Fix memory leak in server parse.
67 * Move test framework out to be its own library (easier to work with Gearman).
70 0.47 Wed Feb 23 18:46:48 PST 2011
71 * Additional fixes for OpenBSD.
72 * Bug fix 677609, 456080.
73 * SIGPIPE fix for Linux send().
74 * memcapable can now test ascii or binary based on flags.
75 * Additional build fixes for SASL.
78 0.46 Mon Feb 14 10:28:01 PST 2011
79 * Fixes a number of corner case bugs.
80 * Fixes related to OpenBSD.
81 * Better testing for protocol version.
82 * Removes special case infinite wait on blocking setup.
84 0.45 Tue Feb 8 16:02:06 PST 2011
85 * Add support for systemtap
87 0.44 Wed Sep 22 21:57:57 PDT 2010
89 * Hudson port support in test harness.
90 * Improved portability of test hanrness.
93 0.43 Wed Jul 28 16:29:47 PDT 2010
94 * Added --args to memstat so that a greater range of values can be returned.
95 * Prelimanary support for Windows.
96 * memcached_stat_execute() merged.
98 0.42 Tue Jul 6 12:29:50 PDT 2010
99 * Mistake in libtool caused issue with library version
101 0.41 Wed Jun 30 13:15:19 PDT 2010
102 * Added --file for memcat.
103 * Added limemcached_ping() to libmemcached_util
104 * Bugfix for some cases where connect would have issues with timeout.
105 * Wrong value for errno given as error on an IO failure inside of poll.
106 * Bug fix for issue where multiple interfaces with bad DNS were not being caught.
108 0.40 Thu Apr 22 19:01:25 PDT 2010
109 * Placed retry logic in for busted resolvers
110 * Add an ignore for SIGPIPE to solve OSX issues.
111 * A couple of fixed for memcached_light server.
112 * Updated to debug mode to track io_wait
114 0.39 Tue Apr 6 12:35:13 PDT 2010
115 * Add support for prefix keys to binary protocol.
116 * Remove the undocumented call memcached_server_remove().
117 * The undocumented call memcached_server_by_key() now returns const.
118 * memcached_server_error_reset() has been deprecated.
119 * memcached_server_list() has been deprecated. Use memcached_server_cursor() to walk the servers found in a memcached_st() structure.
120 * memcached_verbosity() can now be run concurrently with other operations.
122 * Fixes memory leak found in EJECT HOSTS.
124 0.38 Wed Feb 10 09:40:33 PST 2010
125 * C++ interface for libhashkit.
126 * Modified memcached_set_memory_allocators() so that it requires a context pointer.
127 * memcached_clone() now runs 5 times faster.
128 * Functions used for callbacks are now given const memcached_st.
129 * Added MEMCACHED_BEHAVIOR_CORK.
130 * memslap now creates a configuration file at ~/.memslap.cnf
131 * memcached_purge() now calls any callbacks registered during get execution.
132 * Many fixes to memslap.
133 * Updates for memcapable.
134 * Compile fixes for OpenBSD.
135 * Fix for possible recursive decent on IO failure.
137 0.37 Mon Jan 11 16:29:57 PST 2010
138 * Fixed build for libhashkit.
139 * Fixed install path regression.
140 * Modified RPM to strict check install.
141 * Added documentation for memcached_server_cursor();
142 * Added memcached_servers_reset().
143 * Modified memcached_st to remove dead cursor_server member.
145 0.36 Wed Jan 6 18:23:50 PST 2010
146 * Merged in new memslap utility.
147 * All of constants.h has been updated to match style (all old identifiers continue to work).
148 * Added first pass for libhashkit.
149 * Updated test Framework/extended tests.
150 * Random read support during replication added.
151 * Modified use_sort so that the option can be applied to any distribution type.
152 * We removed the MEMCACHED_BEHAVIOR_KETAMA_COMPAT_MODE added in 0.35. Instead use memcached_behavior_set_distribution().
154 0.35 Mon Nov 9 11:18:33 PST 2009
155 * Added support for by_key operations for inc/dec methods.
156 * Added mget test to memslap.
157 * Support for compatible ketama for SpyMemcached
158 * Update C++ interface.
161 0.34 Tue Oct 13 08:39:51 PDT 2009
162 * Added support for setting behavior flags on a connection pool.
163 * Don't increment server_failure_counter on normal disconnects.
164 * Added prototype for a callback based protocol parser (server side) with examples so that you could let your own application speak the memcached protocol
165 * Updated memcapable to test ASCII protocol.
166 * Changed behavior so that server can be removed at first sign of failure.
167 * Added memcached_server_get_last_disconnect() call
169 0.33 Wed Sep 23 10:11:58 PDT 2009
170 * Added memcapable to test servers for binary compatibility.
171 * 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).
172 * Several bug fixes for binary protocol support.
173 * Fixed crashing issue with dumping from memcachd server (server internals were changed without documenting change).
175 0.32 Tue Sep 15 15:49:09 PDT 2009
176 * Change of behavior where linger is only modified for no-block and then it is set to zero.
177 * Added Twitter's memcached_server_error() functions.
178 * Fix for OSX compiles in development builds.
179 * Updated C++ interface.
180 * 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.
182 0.31 Fri Jul 10 09:02:50 PDT 2009
183 * Added support or HA via replication.
184 * malloc() removed for server key usage.
185 * Update build system.
186 * Added support for memcached_set_memory_allocators().
187 * Fixed bug in configure.ac for have_htoll.
189 0.30 Sun May 31 17:31:52 PDT 2009
190 * Added memcachd_dump command (and framework for memdump tool).
191 * Realigned all structures to remove padding (and line up important bits for 64bit caches.
192 * Remove some of sprintf() in storage calls().
193 * Removed printf() in stat call for unknown stat member.
194 * memcached_generate_hash() function added.
195 * Added tests to make sure all hash functions are stable.
197 0.29 Tue May 19 08:26:48 PDT 2009
198 * Fixed malloc usage to calloc for spots where we need zero filled memory.
199 * All code warnings now treated as errors.
200 * Fixes for debian packaging.
201 * Added new pooling mechanism.
202 * MEMCACHED_BEHAVIOR_NO_BLOCK no longer also sets MEMCACHED_BEHAVIOR_BUFFER_REQUESTS.
203 * Updated generic rpm.
205 0.28 Tue Apr 14 18:56:28 PDT 2009
206 * Fixed bug in init sructure (reapplied)
207 * Fixed bug in get/set by key (nikkhils@gmail.com)
209 0.27 Sun Mar 29 22:33:01 PDT 2009
210 * Added new UDP fire-forget mode.
211 * Reworked performance for mget() to better make use of async protocol
212 * Cleaned up execution of fetch (just one set of code now)
213 * Fixed Jenkin's for big endian hosts.
214 * Updates for memstat to determine network latency.
215 * Updates for binary protocol.
216 * Many updates to documentation.
218 0.26 Thu Jan 29 13:05:50 PST 2009
219 * Fix for decrement on hash key
220 * Fixed assert that was catching bad memset() call in host_reset()
221 * Fix purge issue for blocked IO which has been stacked.
223 0.25 Fri Nov 28 09:59:35 PST 2008
224 * Jenkins HASH added.
225 * Update of Murmur hash code
226 * Support explicit weights (Robey Pointer, Evan Weaver)
227 * Bugfix for ketama continuum (Robey Pointer)
228 * New behavior MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY (Robey Pointer)
229 * Don't ever call stats for weighting servers, because it is unstable.
231 0.24 Tue Sep 16 02:59:03 PDT 2008 (never released)
232 * Cleanup compile warnings.
233 * Fix issues in partitioning by keys.
234 * Fixed "fail case" to make sure when calling memcached_clone() no memcached_st is over written.
235 * New memcached_server_by_key() method for finding a server from a key.
236 * memcached_server_free() was added for freeing server structures.
239 0.23 Sun Sep 7 08:13:59 PDT 2008
240 * Added strings.h header for Solaris 9
242 * Support for weighted Ketama from Yin Chen.
244 * Fix for 0 length key to trigger bad key.
245 * Added behaviors MEMCACHED_BEHAVIOR_SND_TIMEOUT, MEMCACHED_BEHAVIOR_RCV_TIMEOUT
246 * Support for Binary Protocol added
248 0.22 Mon Jul 14 09:24:11 PDT 2008
249 * Fix where master key was no being checked for "bad key"
250 * Fixed bugs in stats output (thread output was wrong)
251 * Clarified MEMCACHED_BAD_KEY_PROVIDED is return for bad prefix key.
252 * Found a bug in Flags return (Jacek Ostrowski)
253 * Fixed issue with compiling on Visual Studio
255 0.21 Fri May 23 18:34:09 PDT 2008
256 * Change of char * to const char * for all key based functions.
257 * New MEMCACHED_CALLBACK_PREFIX_KEY added. You can now create domains for values.
258 * Fixed bug introducd in last version on memcp
259 * Fix for death of file io to call shutdown()
261 0.20 Mon May 5 08:34:26 PDT 2008
262 * New consistent distribution tests.
263 * Found a memory leak when a server constantly fails.
264 * Fix in watchpoint macro
265 * Changed default timeout to 1 second for poll timeouts
266 * Wheel uses less memory/dynamic allocation for size (no longer limited to 512 hosts by default.
267 * memslap memory leak fix
268 * Added Ketama distribution
269 * Fix assert.h compile problem on CentOS
271 0.19 Wed Apr 9 09:30:53 PDT 2008
272 * Documentation fix in libmemcached.
273 * Fixed bug where sort was always occuring on hosts
274 * Logic fix in branch prediction (thanks Jay!)
275 * Read through cached support.
276 * Fixed for cas by key operation.
277 * Fix for memcached_server_st list structures to have correct count.
278 * Added callback MEMCACHED_CALLBACK_DELETE_TRIGGER
279 * Removed function call in favor of macro (aka cut out some instructions)
282 0.18 Sun Mar 16 21:57:55 PDT 2008
283 * Fix plus tests for non-zero value objects and flags.
284 * MEMCACHED_HASH_MURMUR added for murmur algorithm provided.
285 * MEMCACHED_BEHAVIOR_RETRY_TIMEOUT added to keep connecting from looping on timeout.
286 * gcc branch prediction optimizations
287 * Refactored entire tree to make include files cleaner
288 * Fixed leaked socket.
290 0.17 Wed Feb 27 03:33:29 PST 2008
291 * MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT added for connect timeout in non-block mode.
292 * Incompatible change in memcached_behavior_set() api. We now use a uint64_t, instead of a pointer.
293 * Fix for storage of values for zero.
294 * memcached_server_cursor() function added to API for cycling through servers.
296 0.16 Mon Feb 18 00:30:25 PST 2008
297 * Work on the UDP protocol
298 * Added get_by_key, set_by_key tests for C++ API
299 * Fix for limit_maxbytes to be 64bit in stats
300 * Added Atom Smasher test (scale baby, scale!)
301 * 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.
302 * Added MEMCACHED_BAD_KEY_PROVIDED error for auto, set, and get operations. MEMCACHED_BEHAVIOR_VERIFY_KEY was added to enable this feature.
303 * More error messages on command line tools.
304 * Fixed bugs in memcached_cas() operator.
305 * Fix to loop through interfaces
307 0.15 Tue Jan 29 14:55:44 PST 2008
308 * More work on the C++ API.
309 * Bug fixes around block corner cases.
310 * Slight performance increase in both read() and write().
312 0.14 Tue Jan 22 06:21:49 PST 2008
313 * For for bug found by Evan Weaver where increment() was not returning propper error of value was not found.
314 * Fix for bad null pointer on flag by Toru Maesaka.
315 * Refactor of all IO to just pass in the active server
316 * Problem configuring (PKG_CHECK_MODULES) fixed by removal of "rpath" in support/libmemcached.pc.in (Thanks to Ross McFarland).
317 * Added memcached_callback_get()/set()
318 * First prototype of C++ interface
319 * Updated docs for uint16_t changes in previous release
321 0.13 Sun Jan 13 06:51:50 PST 2008
322 * MEMCACHED_BEHAVIOR_USER_DATA added to store user pointer.
323 * Fix for failure to connect to invalidate socket.
324 * Patch from Marc Rossi to add --hash option for memcp, memrm, and memcat.
325 * Kevin's patch for fixing EOF issues during a read.
326 * Toru Maesaka patch for stats mismatch
327 * Fix for when CRC return 0
328 * Fixed uint16_t issues around flags. Turns out the documentation on the protocol was wrong.
329 * Lingering socket fixes for FreeBSD.
330 * Patches from Kevin Dalley for FreeBSD 4.0
331 * Added multi delete functions.
332 * All get key returns have C style null termination
333 * If memcached_server_list_append is passed NULLs instead of pointers it returns NULL.
334 * Added memcached_fetch_execute() method
335 * Found a bug where memcached_fetch() was not null terminating the result value.
336 * memcached_behavior() now has the ability to set "buffering" so that data is not automatically flushed.
337 * Behavior change, buffered commands now return MEMCACHED_BUFFERED
339 0.12 Tue Dec 11 15:20:55 PST 2007
340 * Updates for consistent hashing
342 * Static allocation for hostname (performance)
343 * Fixed bug where in non-block mode all data might not have been sent on close().
344 * Refactor of memcached_get() to use common code.
345 * Change in value fetch, MEMCACHED_END is now returned when keys are no longer in the pipe.
346 * Fixed bug where key could be out of range of characters
347 * Added _by_key() methods to allow partitioning of values to particular servers.
348 * MEMCACHED_DEFAILT_TIMEOUT is now set to a non -1 value.
349 * Performance improvements in get operations.
351 0.11 Mon Nov 26 01:05:52 PST 2007
352 * Added option to memcache_behavior_set() so that poll() can be timed out.
353 * Fixed memory leak in case of using memcached_fetch_result() where no value was returned.
354 * Bug fixed in memcached_connect() which would cause servers that did not need to be enabled to be enabled (performance issue).
355 * Rewrote bounds checking code for get calls.
356 * "make test" now starts its own memcached servers.
357 * Added Hseih hash (MEMCACHED_HASH_HSIEH), which is showing about 7% performance over standard hash.
359 0.10 Tue Nov 20 23:22:31 PST 2007
360 * Added append binary test.
361 * Added MEMCACHED_BEHAVIOR_CACHE_LOOKUPS behavior so that you can save on multiple DNS lookups.
362 * Added CAS support, though this is optional and must be enabled during runtime.
363 * Added the utility memerror to create human readable error strings from memcached errors (aka convert ints to strings)
364 * Fixed type in MEMCACHED_HOST_LOOKUP_FAILURE
365 * Fixed bug where hostname might not be null terminated
366 * Moved to using gethostbyname_r() on Linux to solve thread safety issue
367 * Added -rpath support for pkg-config
368 * Documentation fix for hash setting using memcached_behavior_set()
370 0.9 Thu Nov 15 07:44:00 PST 2007
371 * fix for when no servers are definied.
372 * different buffers are now kept for different connections to speed up async efforts
373 * Modified increment/decrement functions to return uint64_t values
374 * Fixed bug in cases where zero length keys were provided
375 * Thread cleanup issue in memslap
376 * No hostname lookup on reconnect
377 * Fix for flag settings (was doing hex by accident!)
378 * Support for 1.2.4 server additions "prepend" and "append" added.
379 * Added memcached_version()... not sure if I will make this public or not.
381 0.8 Mon Nov 5 10:40:41 PST 2007
382 * Adding support for CRC hash method
383 * Adding support for UNIX sockets
384 * Added additional HASHing methods of FNV1_64,FNV1A_64, FNV1_32, FNV1A_32
385 * Added pkgconfig support (PKG_CHECK_MODULES)
386 * Fixed conflict with defined type in MySQL
387 * Added memcached_result_st structure and functions to manipulate it.
389 0.7 Tue Oct 30 09:24:05 PDT 2007
390 * Poved to poll() from select()
391 * Fixes in internal string class for allocation of large numbers of strings.
392 * memcached_mget() function now sends keys as it parses them instead of building strings as it goes.
393 * Propper flush now for making sure we get all IO sent even when in non-block mode.
394 * Added --enable-debug rule for configure
395 * All asserts() removed (hey this is going into production!)
398 0.6 Wed Oct 17 08:41:35 PDT 2007
399 * get value returns are now null terminated (request by Cal Heldenbrand)
400 * Fixed connections for more hosts then two.
401 * Rewrite of the read/write IO systems to handle different sorts of host failures.
402 * Added man pages for all functions and tools
403 * Raised buffer size for readinng/writing to 16K
404 * You can now optionally set the socket size for recv/send via memached_behavior_set/get.
406 0.5 Tue Oct 9 00:22:25 PDT 2007
407 * Ruby maintainer mentioned TCP_NODELAY patch he had added. Added this to C
408 library as well. (Eric Hodel drbrain@segment7.net)
409 * Added support script for set_benchmark
410 * Updated memslap to allow testing of TCP_NODELAY
411 * Updated memslap to support --flush (aka dump memcache servers before testing)
412 * Fixed bug in multiple hosts not being activated
413 * Added environmental variable MEMCACHED_SERVERS which can be used to set the servers list.
414 * fixed memcached_stat method (and now memstat works)
415 * server connect now happens on demand.
416 * Help for all command line applications
418 0.4 Wed Oct 3 10:28:50 PDT 2007
419 * Added buffered IO to write calls for keys
420 * Added buffered IO for reads
421 * memstat was broken (bad if/else on connect)
422 * New non-blocking IO (not default yet). Mucho faster
423 * Refactor of test system.
424 * memslap crash solved
426 0.3 Mon Oct 1 06:37:52 PDT 2007
427 * Jeff Fisher <guppy@techmonkeys.org> provided a spec file
428 * Added "make rpm" around dist file
429 * Added support for Solaris
430 * Added support for DTrace
431 * Fixed read to be recv and write to be send
432 * Bug fix where memstat would core if no server was found
433 * Added memslap tool (load generator)
434 * Numerous bug fixes in library
435 * Added calls to library for creating host lists (see text cases to understand how to use this).
437 0.2 Thu Sep 27 03:46:57 PDT 2007
438 * First public version
projects / awesomized / libmemcached / blob