1 1.0.6 Sat Apr 7 18:26:49 PDT 2012
2 * Fixes for gcc 4.7, lp:961812
3 * Fix for restart issue that happens under testing.
5 * Support for transparent AES encryption.
7 1.0.5 Tue Mar 13 22:56:47 PDT 2012
9 * Version is now parsed directly in the parser, which makes buffered operations now work with it..
10 * memstat has been extended so that it can be used to find the version of the server.
11 * Update documentation.
12 * Fixes for compile issues on Debian and Ubuntu
14 1.0.4 Thu Jan 26 22:33:54 PST 2012
15 * Fix for memcached_dump().
16 * Additional testing for memcached_stat_execute().
18 1.0.3 Sun Jan 8 18:11:36 PST 2012
19 * Increased size of sort buffer used during Ketama.
20 * Added support for new behavior to handle dead servers.
21 * Overall haul of UDP IO.
22 * Fixed C compile issue with memcached_exist()
24 * Clang support for OSX.
25 * All commands now using vector send support.
27 1.0.2 Mon Oct 24 08:00:48 PDT 2011
28 * Dropped libmemcached/memcached_util.h (undocumented header file)
29 * Added memcached_touch() and memcached_touch_by_key()
30 * UDP support restructured to toggle on a complete memcached_st structure.
32 0.53 Mon Sep 26 20:50:33 PDT 2011
33 * Fix for FreeBSD/OpenBSD and -lm
34 * Added memcached_exist()
35 * Fix for memory when using config test.
38 0.52 Sun Sep 11 22:16:08 PDT 2011
39 * Build fixes for Ubuntu/Suse.
41 * Bug fix for looping back through dns lookups under certain failures.
42 * Fixes related to dead server failures.
44 0.51 Thu Jul 21 11:08:58 PDT 2011
45 * memcached_callback_set() now takes its data argument as const
47 * Fix in parser for port number.
49 0.50 Mon Jun 20 10:36:57 PDT 2011
50 * Updates to C++ interface
51 * Custom free allocators need to now check for value before calling free.
52 * memcached_fetch_result() now uses the internal result when available (about 25 to 50% faster).
53 * Fix for stats structure.
54 * Updates to documentation.
55 * memcached_fetch_result() now uses the internal result when available (about 25 to 50% faster).
57 0.49 Thu Apr 14 08:43:37 PDT 2011
58 * Fix calls to auto methods so that if value is not passed in nothing bad happens.
59 * New parser calls for generating memcached_st objects.
61 * New flow control for messages means faster get/set calls.
62 * Added new documentation system.
63 * 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.
64 * Added MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS to simplify the setting of AUTO REJECT for servers.
66 0.48 Tue Mar 15 23:05:18 PDT 2011
67 * Fix memory leak in server parse.
68 * Move test framework out to be its own library (easier to work with Gearman).
71 0.47 Wed Feb 23 18:46:48 PST 2011
72 * Additional fixes for OpenBSD.
73 * Bug fix 677609, 456080.
74 * SIGPIPE fix for Linux send().
75 * memcapable can now test ascii or binary based on flags.
76 * Additional build fixes for SASL.
79 0.46 Mon Feb 14 10:28:01 PST 2011
80 * Fixes a number of corner case bugs.
81 * Fixes related to OpenBSD.
82 * Better testing for protocol version.
83 * Removes special case infinite wait on blocking setup.
85 0.45 Tue Feb 8 16:02:06 PST 2011
86 * Add support for systemtap
88 0.44 Wed Sep 22 21:57:57 PDT 2010
90 * Hudson port support in test harness.
91 * Improved portability of test hanrness.
94 0.43 Wed Jul 28 16:29:47 PDT 2010
95 * Added --args to memstat so that a greater range of values can be returned.
96 * Prelimanary support for Windows.
97 * memcached_stat_execute() merged.
99 0.42 Tue Jul 6 12:29:50 PDT 2010
100 * Mistake in libtool caused issue with library version
102 0.41 Wed Jun 30 13:15:19 PDT 2010
103 * Added --file for memcat.
104 * Added limemcached_ping() to libmemcached_util
105 * Bugfix for some cases where connect would have issues with timeout.
106 * Wrong value for errno given as error on an IO failure inside of poll.
107 * Bug fix for issue where multiple interfaces with bad DNS were not being caught.
109 0.40 Thu Apr 22 19:01:25 PDT 2010
110 * Placed retry logic in for busted resolvers
111 * Add an ignore for SIGPIPE to solve OSX issues.
112 * A couple of fixed for memcached_light server.
113 * Updated to debug mode to track io_wait
115 0.39 Tue Apr 6 12:35:13 PDT 2010
116 * Add support for prefix keys to binary protocol.
117 * Remove the undocumented call memcached_server_remove().
118 * The undocumented call memcached_server_by_key() now returns const.
119 * memcached_server_error_reset() has been deprecated.
120 * memcached_server_list() has been deprecated. Use memcached_server_cursor() to walk the servers found in a memcached_st() structure.
121 * memcached_verbosity() can now be run concurrently with other operations.
123 * Fixes memory leak found in EJECT HOSTS.
125 0.38 Wed Feb 10 09:40:33 PST 2010
126 * C++ interface for libhashkit.
127 * Modified memcached_set_memory_allocators() so that it requires a context pointer.
128 * memcached_clone() now runs 5 times faster.
129 * Functions used for callbacks are now given const memcached_st.
130 * Added MEMCACHED_BEHAVIOR_CORK.
131 * memslap now creates a configuration file at ~/.memslap.cnf
132 * memcached_purge() now calls any callbacks registered during get execution.
133 * Many fixes to memslap.
134 * Updates for memcapable.
135 * Compile fixes for OpenBSD.
136 * Fix for possible recursive decent on IO failure.
138 0.37 Mon Jan 11 16:29:57 PST 2010
139 * Fixed build for libhashkit.
140 * Fixed install path regression.
141 * Modified RPM to strict check install.
142 * Added documentation for memcached_server_cursor();
143 * Added memcached_servers_reset().
144 * Modified memcached_st to remove dead cursor_server member.
146 0.36 Wed Jan 6 18:23:50 PST 2010
147 * Merged in new memslap utility.
148 * All of constants.h has been updated to match style (all old identifiers continue to work).
149 * Added first pass for libhashkit.
150 * Updated test Framework/extended tests.
151 * Random read support during replication added.
152 * Modified use_sort so that the option can be applied to any distribution type.
153 * We removed the MEMCACHED_BEHAVIOR_KETAMA_COMPAT_MODE added in 0.35. Instead use memcached_behavior_set_distribution().
155 0.35 Mon Nov 9 11:18:33 PST 2009
156 * Added support for by_key operations for inc/dec methods.
157 * Added mget test to memslap.
158 * Support for compatible ketama for SpyMemcached
159 * Update C++ interface.
162 0.34 Tue Oct 13 08:39:51 PDT 2009
163 * Added support for setting behavior flags on a connection pool.
164 * Don't increment server_failure_counter on normal disconnects.
165 * Added prototype for a callback based protocol parser (server side) with examples so that you could let your own application speak the memcached protocol
166 * Updated memcapable to test ASCII protocol.
167 * Changed behavior so that server can be removed at first sign of failure.
168 * Added memcached_server_get_last_disconnect() call
170 0.33 Wed Sep 23 10:11:58 PDT 2009
171 * Added memcapable to test servers for binary compatibility.
172 * 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).
173 * Several bug fixes for binary protocol support.
174 * Fixed crashing issue with dumping from memcachd server (server internals were changed without documenting change).
176 0.32 Tue Sep 15 15:49:09 PDT 2009
177 * Change of behavior where linger is only modified for no-block and then it is set to zero.
178 * Added Twitter's memcached_server_error() functions.
179 * Fix for OSX compiles in development builds.
180 * Updated C++ interface.
181 * 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.
183 0.31 Fri Jul 10 09:02:50 PDT 2009
184 * Added support or HA via replication.
185 * malloc() removed for server key usage.
186 * Update build system.
187 * Added support for memcached_set_memory_allocators().
188 * Fixed bug in configure.ac for have_htoll.
190 0.30 Sun May 31 17:31:52 PDT 2009
191 * Added memcachd_dump command (and framework for memdump tool).
192 * Realigned all structures to remove padding (and line up important bits for 64bit caches.
193 * Remove some of sprintf() in storage calls().
194 * Removed printf() in stat call for unknown stat member.
195 * memcached_generate_hash() function added.
196 * Added tests to make sure all hash functions are stable.
198 0.29 Tue May 19 08:26:48 PDT 2009
199 * Fixed malloc usage to calloc for spots where we need zero filled memory.
200 * All code warnings now treated as errors.
201 * Fixes for debian packaging.
202 * Added new pooling mechanism.
203 * MEMCACHED_BEHAVIOR_NO_BLOCK no longer also sets MEMCACHED_BEHAVIOR_BUFFER_REQUESTS.
204 * Updated generic rpm.
206 0.28 Tue Apr 14 18:56:28 PDT 2009
207 * Fixed bug in init sructure (reapplied)
208 * Fixed bug in get/set by key (nikkhils@gmail.com)
210 0.27 Sun Mar 29 22:33:01 PDT 2009
211 * Added new UDP fire-forget mode.
212 * Reworked performance for mget() to better make use of async protocol
213 * Cleaned up execution of fetch (just one set of code now)
214 * Fixed Jenkin's for big endian hosts.
215 * Updates for memstat to determine network latency.
216 * Updates for binary protocol.
217 * Many updates to documentation.
219 0.26 Thu Jan 29 13:05:50 PST 2009
220 * Fix for decrement on hash key
221 * Fixed assert that was catching bad memset() call in host_reset()
222 * Fix purge issue for blocked IO which has been stacked.
224 0.25 Fri Nov 28 09:59:35 PST 2008
225 * Jenkins HASH added.
226 * Update of Murmur hash code
227 * Support explicit weights (Robey Pointer, Evan Weaver)
228 * Bugfix for ketama continuum (Robey Pointer)
229 * New behavior MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY (Robey Pointer)
230 * Don't ever call stats for weighting servers, because it is unstable.
232 0.24 Tue Sep 16 02:59:03 PDT 2008 (never released)
233 * Cleanup compile warnings.
234 * Fix issues in partitioning by keys.
235 * Fixed "fail case" to make sure when calling memcached_clone() no memcached_st is over written.
236 * New memcached_server_by_key() method for finding a server from a key.
237 * memcached_server_free() was added for freeing server structures.
240 0.23 Sun Sep 7 08:13:59 PDT 2008
241 * Added strings.h header for Solaris 9
243 * Support for weighted Ketama from Yin Chen.
245 * Fix for 0 length key to trigger bad key.
246 * Added behaviors MEMCACHED_BEHAVIOR_SND_TIMEOUT, MEMCACHED_BEHAVIOR_RCV_TIMEOUT
247 * Support for Binary Protocol added
249 0.22 Mon Jul 14 09:24:11 PDT 2008
250 * Fix where master key was no being checked for "bad key"
251 * Fixed bugs in stats output (thread output was wrong)
252 * Clarified MEMCACHED_BAD_KEY_PROVIDED is return for bad prefix key.
253 * Found a bug in Flags return (Jacek Ostrowski)
254 * Fixed issue with compiling on Visual Studio
256 0.21 Fri May 23 18:34:09 PDT 2008
257 * Change of char * to const char * for all key based functions.
258 * New MEMCACHED_CALLBACK_PREFIX_KEY added. You can now create domains for values.
259 * Fixed bug introducd in last version on memcp
260 * Fix for death of file io to call shutdown()
262 0.20 Mon May 5 08:34:26 PDT 2008
263 * New consistent distribution tests.
264 * Found a memory leak when a server constantly fails.
265 * Fix in watchpoint macro
266 * Changed default timeout to 1 second for poll timeouts
267 * Wheel uses less memory/dynamic allocation for size (no longer limited to 512 hosts by default.
268 * memslap memory leak fix
269 * Added Ketama distribution
270 * Fix assert.h compile problem on CentOS
272 0.19 Wed Apr 9 09:30:53 PDT 2008
273 * Documentation fix in libmemcached.
274 * Fixed bug where sort was always occuring on hosts
275 * Logic fix in branch prediction (thanks Jay!)
276 * Read through cached support.
277 * Fixed for cas by key operation.
278 * Fix for memcached_server_st list structures to have correct count.
279 * Added callback MEMCACHED_CALLBACK_DELETE_TRIGGER
280 * Removed function call in favor of macro (aka cut out some instructions)
283 0.18 Sun Mar 16 21:57:55 PDT 2008
284 * Fix plus tests for non-zero value objects and flags.
285 * MEMCACHED_HASH_MURMUR added for murmur algorithm provided.
286 * MEMCACHED_BEHAVIOR_RETRY_TIMEOUT added to keep connecting from looping on timeout.
287 * gcc branch prediction optimizations
288 * Refactored entire tree to make include files cleaner
289 * Fixed leaked socket.
291 0.17 Wed Feb 27 03:33:29 PST 2008
292 * MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT added for connect timeout in non-block mode.
293 * Incompatible change in memcached_behavior_set() api. We now use a uint64_t, instead of a pointer.
294 * Fix for storage of values for zero.
295 * memcached_server_cursor() function added to API for cycling through servers.
297 0.16 Mon Feb 18 00:30:25 PST 2008
298 * Work on the UDP protocol
299 * Added get_by_key, set_by_key tests for C++ API
300 * Fix for limit_maxbytes to be 64bit in stats
301 * Added Atom Smasher test (scale baby, scale!)
302 * 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.
303 * Added MEMCACHED_BAD_KEY_PROVIDED error for auto, set, and get operations. MEMCACHED_BEHAVIOR_VERIFY_KEY was added to enable this feature.
304 * More error messages on command line tools.
305 * Fixed bugs in memcached_cas() operator.
306 * Fix to loop through interfaces
308 0.15 Tue Jan 29 14:55:44 PST 2008
309 * More work on the C++ API.
310 * Bug fixes around block corner cases.
311 * Slight performance increase in both read() and write().
313 0.14 Tue Jan 22 06:21:49 PST 2008
314 * For for bug found by Evan Weaver where increment() was not returning propper error of value was not found.
315 * Fix for bad null pointer on flag by Toru Maesaka.
316 * Refactor of all IO to just pass in the active server
317 * Problem configuring (PKG_CHECK_MODULES) fixed by removal of "rpath" in support/libmemcached.pc.in (Thanks to Ross McFarland).
318 * Added memcached_callback_get()/set()
319 * First prototype of C++ interface
320 * Updated docs for uint16_t changes in previous release
322 0.13 Sun Jan 13 06:51:50 PST 2008
323 * MEMCACHED_BEHAVIOR_USER_DATA added to store user pointer.
324 * Fix for failure to connect to invalidate socket.
325 * Patch from Marc Rossi to add --hash option for memcp, memrm, and memcat.
326 * Kevin's patch for fixing EOF issues during a read.
327 * Toru Maesaka patch for stats mismatch
328 * Fix for when CRC return 0
329 * Fixed uint16_t issues around flags. Turns out the documentation on the protocol was wrong.
330 * Lingering socket fixes for FreeBSD.
331 * Patches from Kevin Dalley for FreeBSD 4.0
332 * Added multi delete functions.
333 * All get key returns have C style null termination
334 * If memcached_server_list_append is passed NULLs instead of pointers it returns NULL.
335 * Added memcached_fetch_execute() method
336 * Found a bug where memcached_fetch() was not null terminating the result value.
337 * memcached_behavior() now has the ability to set "buffering" so that data is not automatically flushed.
338 * Behavior change, buffered commands now return MEMCACHED_BUFFERED
340 0.12 Tue Dec 11 15:20:55 PST 2007
341 * Updates for consistent hashing
343 * Static allocation for hostname (performance)
344 * Fixed bug where in non-block mode all data might not have been sent on close().
345 * Refactor of memcached_get() to use common code.
346 * Change in value fetch, MEMCACHED_END is now returned when keys are no longer in the pipe.
347 * Fixed bug where key could be out of range of characters
348 * Added _by_key() methods to allow partitioning of values to particular servers.
349 * MEMCACHED_DEFAILT_TIMEOUT is now set to a non -1 value.
350 * Performance improvements in get operations.
352 0.11 Mon Nov 26 01:05:52 PST 2007
353 * Added option to memcache_behavior_set() so that poll() can be timed out.
354 * Fixed memory leak in case of using memcached_fetch_result() where no value was returned.
355 * Bug fixed in memcached_connect() which would cause servers that did not need to be enabled to be enabled (performance issue).
356 * Rewrote bounds checking code for get calls.
357 * "make test" now starts its own memcached servers.
358 * Added Hseih hash (MEMCACHED_HASH_HSIEH), which is showing about 7% performance over standard hash.
360 0.10 Tue Nov 20 23:22:31 PST 2007
361 * Added append binary test.
362 * Added MEMCACHED_BEHAVIOR_CACHE_LOOKUPS behavior so that you can save on multiple DNS lookups.
363 * Added CAS support, though this is optional and must be enabled during runtime.
364 * Added the utility memerror to create human readable error strings from memcached errors (aka convert ints to strings)
365 * Fixed type in MEMCACHED_HOST_LOOKUP_FAILURE
366 * Fixed bug where hostname might not be null terminated
367 * Moved to using gethostbyname_r() on Linux to solve thread safety issue
368 * Added -rpath support for pkg-config
369 * Documentation fix for hash setting using memcached_behavior_set()
371 0.9 Thu Nov 15 07:44:00 PST 2007
372 * fix for when no servers are definied.
373 * different buffers are now kept for different connections to speed up async efforts
374 * Modified increment/decrement functions to return uint64_t values
375 * Fixed bug in cases where zero length keys were provided
376 * Thread cleanup issue in memslap
377 * No hostname lookup on reconnect
378 * Fix for flag settings (was doing hex by accident!)
379 * Support for 1.2.4 server additions "prepend" and "append" added.
380 * Added memcached_version()... not sure if I will make this public or not.
382 0.8 Mon Nov 5 10:40:41 PST 2007
383 * Adding support for CRC hash method
384 * Adding support for UNIX sockets
385 * Added additional HASHing methods of FNV1_64,FNV1A_64, FNV1_32, FNV1A_32
386 * Added pkgconfig support (PKG_CHECK_MODULES)
387 * Fixed conflict with defined type in MySQL
388 * Added memcached_result_st structure and functions to manipulate it.
390 0.7 Tue Oct 30 09:24:05 PDT 2007
391 * Poved to poll() from select()
392 * Fixes in internal string class for allocation of large numbers of strings.
393 * memcached_mget() function now sends keys as it parses them instead of building strings as it goes.
394 * Propper flush now for making sure we get all IO sent even when in non-block mode.
395 * Added --enable-debug rule for configure
396 * All asserts() removed (hey this is going into production!)
399 0.6 Wed Oct 17 08:41:35 PDT 2007
400 * get value returns are now null terminated (request by Cal Heldenbrand)
401 * Fixed connections for more hosts then two.
402 * Rewrite of the read/write IO systems to handle different sorts of host failures.
403 * Added man pages for all functions and tools
404 * Raised buffer size for readinng/writing to 16K
405 * You can now optionally set the socket size for recv/send via memached_behavior_set/get.
407 0.5 Tue Oct 9 00:22:25 PDT 2007
408 * Ruby maintainer mentioned TCP_NODELAY patch he had added. Added this to C
409 library as well. (Eric Hodel drbrain@segment7.net)
410 * Added support script for set_benchmark
411 * Updated memslap to allow testing of TCP_NODELAY
412 * Updated memslap to support --flush (aka dump memcache servers before testing)
413 * Fixed bug in multiple hosts not being activated
414 * Added environmental variable MEMCACHED_SERVERS which can be used to set the servers list.
415 * fixed memcached_stat method (and now memstat works)
416 * server connect now happens on demand.
417 * Help for all command line applications
419 0.4 Wed Oct 3 10:28:50 PDT 2007
420 * Added buffered IO to write calls for keys
421 * Added buffered IO for reads
422 * memstat was broken (bad if/else on connect)
423 * New non-blocking IO (not default yet). Mucho faster
424 * Refactor of test system.
425 * memslap crash solved
427 0.3 Mon Oct 1 06:37:52 PDT 2007
428 * Jeff Fisher <guppy@techmonkeys.org> provided a spec file
429 * Added "make rpm" around dist file
430 * Added support for Solaris
431 * Added support for DTrace
432 * Fixed read to be recv and write to be send
433 * Bug fix where memstat would core if no server was found
434 * Added memslap tool (load generator)
435 * Numerous bug fixes in library
436 * Added calls to library for creating host lists (see text cases to understand how to use this).
438 0.2 Thu Sep 27 03:46:57 PDT 2007
439 * First public version
projects / awesomized / libmemcached / blob