1 0.50 Mon Jun 20 10:36:57 PDT 2011
2 * Updates to C++ interface
3 * Custom free allocators need to now check for value before calling free.
4 * memcached_fetch_result() now uses the internal result when available (about 25 to 50% faster).
6 0.49 Thu Apr 14 08:43:37 PDT 2011
7 * Fix calls to auto methods so that if value is not passed in nothing bad happens.
8 * New parser calls for generating memcached_st objects.
10 * New flow control for messages means faster get/set calls.
11 * Added new documentation system.
12 * A behavior change has been now made that if you specify a weight for any
13 server, we enable the weight flag and do weight balancing.
14 * 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.
15 * Added MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS to simplify the setting of AUTO REJECT for servers.
17 0.48 Tue Mar 15 23:05:18 PDT 2011
18 * Fix memory leak in server parse.
19 * Move test framework out to be its own library (easier to work with Gearman).
22 0.47 Wed Feb 23 18:46:48 PST 2011
23 * Additional fixes for OpenBSD.
24 * Bug fix 677609, 456080.
25 * SIGPIPE fix for Linux send().
26 * memcapable can now test ascii or binary based on flags.
27 * Additional build fixes for SASL.
30 0.46 Mon Feb 14 10:28:01 PST 2011
31 * Fixes a number of corner case bugs.
32 * Fixes related to OpenBSD.
33 * Better testing for protocol version.
34 * Removes special case infinite wait on blocking setup.
36 0.45 Tue Feb 8 16:02:06 PST 2011
37 * Add support for systemtap
39 0.44 Wed Sep 22 21:57:57 PDT 2010
41 * Hudson port support in test harness.
42 * Improved portability of test hanrness.
45 0.43 Wed Jul 28 16:29:47 PDT 2010
46 * Added --args to memstat so that a greater range of values can be returned.
47 * Prelimanary support for Windows.
48 * memcached_stat_execute() merged.
50 0.42 Tue Jul 6 12:29:50 PDT 2010
51 * Mistake in libtool caused issue with library version
53 0.41 Wed Jun 30 13:15:19 PDT 2010
54 * Added --file for memcat.
55 * Added limemcached_ping() to libmemcached_util
56 * Bugfix for some cases where connect would have issues with timeout.
57 * Wrong value for errno given as error on an IO failure inside of poll.
58 * Bug fix for issue where multiple interfaces with bad DNS were not being caught.
60 0.40 Thu Apr 22 19:01:25 PDT 2010
61 * Placed retry logic in for busted resolvers
62 * Add an ignore for SIGPIPE to solve OSX issues.
63 * A couple of fixed for memcached_light server.
64 * Updated to debug mode to track io_wait
66 0.39 Tue Apr 6 12:35:13 PDT 2010
67 * Add support for prefix keys to binary protocol.
68 * Remove the undocumented call memcached_server_remove().
69 * The undocumented call memcached_server_by_key() now returns const.
70 * memcached_server_error_reset() has been deprecated.
71 * memcached_server_list() has been deprecated. Use memcached_server_cursor() to walk the servers found in a memcached_st() structure.
72 * memcached_verbosity() can now be run concurrently with other operations.
74 * Fixes memory leak found in EJECT HOSTS.
76 0.38 Wed Feb 10 09:40:33 PST 2010
77 * C++ interface for libhashkit.
78 * Modified memcached_set_memory_allocators() so that it requires a context pointer.
79 * memcached_clone() now runs 5 times faster.
80 * Functions used for callbacks are now given const memcached_st.
81 * Added MEMCACHED_BEHAVIOR_CORK.
82 * memslap now creates a configuration file at ~/.memslap.cnf
83 * memcached_purge() now calls any callbacks registered during get execution.
84 * Many fixes to memslap.
85 * Updates for memcapable.
86 * Compile fixes for OpenBSD.
87 * Fix for possible recursive decent on IO failure.
89 0.37 Mon Jan 11 16:29:57 PST 2010
90 * Fixed build for libhashkit.
91 * Fixed install path regression.
92 * Modified RPM to strict check install.
93 * Added documentation for memcached_server_cursor();
94 * Added memcached_servers_reset().
95 * Modified memcached_st to remove dead cursor_server member.
97 0.36 Wed Jan 6 18:23:50 PST 2010
98 * Merged in new memslap utility.
99 * All of constants.h has been updated to match style (all old identifiers continue to work).
100 * Added first pass for libhashkit.
101 * Updated test Framework/extended tests.
102 * Random read support during replication added.
103 * Modified use_sort so that the option can be applied to any distribution type.
104 * We removed the MEMCACHED_BEHAVIOR_KETAMA_COMPAT_MODE added in 0.35. Instead use memcached_behavior_set_distribution().
106 0.35 Mon Nov 9 11:18:33 PST 2009
107 * Added support for by_key operations for inc/dec methods.
108 * Added mget test to memslap.
109 * Support for compatible ketama for SpyMemcached
110 * Update C++ interface.
113 0.34 Tue Oct 13 08:39:51 PDT 2009
114 * Added support for setting behavior flags on a connection pool.
115 * Don't increment server_failure_counter on normal disconnects.
116 * Added prototype for a callback based protocol parser (server side) with examples so that you could let your own application speak the memcached protocol
117 * Updated memcapable to test ASCII protocol.
118 * Changed behavior so that server can be removed at first sign of failure.
119 * Added memcached_server_get_last_disconnect() call
121 0.33 Wed Sep 23 10:11:58 PDT 2009
122 * Added memcapable to test servers for binary compatibility.
123 * 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).
124 * Several bug fixes for binary protocol support.
125 * Fixed crashing issue with dumping from memcachd server (server internals were changed without documenting change).
127 0.32 Tue Sep 15 15:49:09 PDT 2009
128 * Change of behavior where linger is only modified for no-block and then it is set to zero.
129 * Added Twitter's memcached_server_error() functions.
130 * Fix for OSX compiles in development builds.
131 * Updated C++ interface.
132 * 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.
134 0.31 Fri Jul 10 09:02:50 PDT 2009
135 * Added support or HA via replication.
136 * malloc() removed for server key usage.
137 * Update build system.
138 * Added support for memcached_set_memory_allocators().
139 * Fixed bug in configure.ac for have_htoll.
141 0.30 Sun May 31 17:31:52 PDT 2009
142 * Added memcachd_dump command (and framework for memdump tool).
143 * Realigned all structures to remove padding (and line up important bits for 64bit caches.
144 * Remove some of sprintf() in storage calls().
145 * Removed printf() in stat call for unknown stat member.
146 * memcached_generate_hash() function added.
147 * Added tests to make sure all hash functions are stable.
149 0.29 Tue May 19 08:26:48 PDT 2009
150 * Fixed malloc usage to calloc for spots where we need zero filled memory.
151 * All code warnings now treated as errors.
152 * Fixes for debian packaging.
153 * Added new pooling mechanism.
154 * MEMCACHED_BEHAVIOR_NO_BLOCK no longer also sets MEMCACHED_BEHAVIOR_BUFFER_REQUESTS.
155 * Updated generic rpm.
157 0.28 Tue Apr 14 18:56:28 PDT 2009
158 * Fixed bug in init sructure (reapplied)
159 * Fixed bug in get/set by key (nikkhils@gmail.com)
161 0.27 Sun Mar 29 22:33:01 PDT 2009
162 * Added new UDP fire-forget mode.
163 * Reworked performance for mget() to better make use of async protocol
164 * Cleaned up execution of fetch (just one set of code now)
165 * Fixed Jenkin's for big endian hosts.
166 * Updates for memstat to determine network latency.
167 * Updates for binary protocol.
168 * Many updates to documentation.
170 0.26 Thu Jan 29 13:05:50 PST 2009
171 * Fix for decrement on hash key
172 * Fixed assert that was catching bad memset() call in host_reset()
173 * Fix purge issue for blocked IO which has been stacked.
175 0.25 Fri Nov 28 09:59:35 PST 2008
176 * Jenkins HASH added.
177 * Update of Murmur hash code
178 * Support explicit weights (Robey Pointer, Evan Weaver)
179 * Bugfix for ketama continuum (Robey Pointer)
180 * New behavior MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY (Robey Pointer)
181 * Don't ever call stats for weighting servers, because it is unstable.
183 0.24 Tue Sep 16 02:59:03 PDT 2008 (never released)
184 * Cleanup compile warnings.
185 * Fix issues in partitioning by keys.
186 * Fixed "fail case" to make sure when calling memcached_clone() no memcached_st is over written.
187 * New memcached_server_by_key() method for finding a server from a key.
188 * memcached_server_free() was added for freeing server structures.
191 0.23 Sun Sep 7 08:13:59 PDT 2008
192 * Added strings.h header for Solaris 9
194 * Support for weighted Ketama from Yin Chen.
196 * Fix for 0 length key to trigger bad key.
197 * Added behaviors MEMCACHED_BEHAVIOR_SND_TIMEOUT, MEMCACHED_BEHAVIOR_RCV_TIMEOUT
198 * Support for Binary Protocol added
200 0.22 Mon Jul 14 09:24:11 PDT 2008
201 * Fix where master key was no being checked for "bad key"
202 * Fixed bugs in stats output (thread output was wrong)
203 * Clarified MEMCACHED_BAD_KEY_PROVIDED is return for bad prefix key.
204 * Found a bug in Flags return (Jacek Ostrowski)
205 * Fixed issue with compiling on Visual Studio
207 0.21 Fri May 23 18:34:09 PDT 2008
208 * Change of char * to const char * for all key based functions.
209 * New MEMCACHED_CALLBACK_PREFIX_KEY added. You can now create domains for values.
210 * Fixed bug introducd in last version on memcp
211 * Fix for death of file io to call shutdown()
213 0.20 Mon May 5 08:34:26 PDT 2008
214 * New consistent distribution tests.
215 * Found a memory leak when a server constantly fails.
216 * Fix in watchpoint macro
217 * Changed default timeout to 1 second for poll timeouts
218 * Wheel uses less memory/dynamic allocation for size (no longer limited to 512 hosts by default.
219 * memslap memory leak fix
220 * Added Ketama distribution
221 * Fix assert.h compile problem on CentOS
223 0.19 Wed Apr 9 09:30:53 PDT 2008
224 * Documentation fix in libmemcached.
225 * Fixed bug where sort was always occuring on hosts
226 * Logic fix in branch prediction (thanks Jay!)
227 * Read through cached support.
228 * Fixed for cas by key operation.
229 * Fix for memcached_server_st list structures to have correct count.
230 * Added callback MEMCACHED_CALLBACK_DELETE_TRIGGER
231 * Removed function call in favor of macro (aka cut out some instructions)
234 0.18 Sun Mar 16 21:57:55 PDT 2008
235 * Fix plus tests for non-zero value objects and flags.
236 * MEMCACHED_HASH_MURMUR added for murmur algorithm provided.
237 * MEMCACHED_BEHAVIOR_RETRY_TIMEOUT added to keep connecting from looping on timeout.
238 * gcc branch prediction optimizations
239 * Refactored entire tree to make include files cleaner
240 * Fixed leaked socket.
242 0.17 Wed Feb 27 03:33:29 PST 2008
243 * MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT added for connect timeout in non-block mode.
244 * Incompatible change in memcached_behavior_set() api. We now use a uint64_t, instead of a pointer.
245 * Fix for storage of values for zero.
246 * memcached_server_cursor() function added to API for cycling through servers.
248 0.16 Mon Feb 18 00:30:25 PST 2008
249 * Work on the UDP protocol
250 * Added get_by_key, set_by_key tests for C++ API
251 * Fix for limit_maxbytes to be 64bit in stats
252 * Added Atom Smasher test (scale baby, scale!)
253 * 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.
254 * Added MEMCACHED_BAD_KEY_PROVIDED error for auto, set, and get operations. MEMCACHED_BEHAVIOR_VERIFY_KEY was added to enable this feature.
255 * More error messages on command line tools.
256 * Fixed bugs in memcached_cas() operator.
257 * Fix to loop through interfaces
259 0.15 Tue Jan 29 14:55:44 PST 2008
260 * More work on the C++ API.
261 * Bug fixes around block corner cases.
262 * Slight performance increase in both read() and write().
264 0.14 Tue Jan 22 06:21:49 PST 2008
265 * For for bug found by Evan Weaver where increment() was not returning propper error of value was not found.
266 * Fix for bad null pointer on flag by Toru Maesaka.
267 * Refactor of all IO to just pass in the active server
268 * Problem configuring (PKG_CHECK_MODULES) fixed by removal of "rpath" in support/libmemcached.pc.in (Thanks to Ross McFarland).
269 * Added memcached_callback_get()/set()
270 * First prototype of C++ interface
271 * Updated docs for uint16_t changes in previous release
273 0.13 Sun Jan 13 06:51:50 PST 2008
274 * MEMCACHED_BEHAVIOR_USER_DATA added to store user pointer.
275 * Fix for failure to connect to invalidate socket.
276 * Patch from Marc Rossi to add --hash option for memcp, memrm, and memcat.
277 * Kevin's patch for fixing EOF issues during a read.
278 * Toru Maesaka patch for stats mismatch
279 * Fix for when CRC return 0
280 * Fixed uint16_t issues around flags. Turns out the documentation on the protocol was wrong.
281 * Lingering socket fixes for FreeBSD.
282 * Patches from Kevin Dalley for FreeBSD 4.0
283 * Added multi delete functions.
284 * All get key returns have C style null termination
285 * If memcached_server_list_append is passed NULLs instead of pointers it returns NULL.
286 * Added memcached_fetch_execute() method
287 * Found a bug where memcached_fetch() was not null terminating the result value.
288 * memcached_behavior() now has the ability to set "buffering" so that data is not automatically flushed.
289 * Behavior change, buffered commands now return MEMCACHED_BUFFERED
291 0.12 Tue Dec 11 15:20:55 PST 2007
292 * Updates for consistent hashing
294 * Static allocation for hostname (performance)
295 * Fixed bug where in non-block mode all data might not have been sent on close().
296 * Refactor of memcached_get() to use common code.
297 * Change in value fetch, MEMCACHED_END is now returned when keys are no longer in the pipe.
298 * Fixed bug where key could be out of range of characters
299 * Added _by_key() methods to allow partitioning of values to particular servers.
300 * MEMCACHED_DEFAILT_TIMEOUT is now set to a non -1 value.
301 * Performance improvements in get operations.
303 0.11 Mon Nov 26 01:05:52 PST 2007
304 * Added option to memcache_behavior_set() so that poll() can be timed out.
305 * Fixed memory leak in case of using memcached_fetch_result() where no value was returned.
306 * Bug fixed in memcached_connect() which would cause servers that did not need to be enabled to be enabled (performance issue).
307 * Rewrote bounds checking code for get calls.
308 * "make test" now starts its own memcached servers.
309 * Added Hseih hash (MEMCACHED_HASH_HSIEH), which is showing about 7% performance over standard hash.
311 0.10 Tue Nov 20 23:22:31 PST 2007
312 * Added append binary test.
313 * Added MEMCACHED_BEHAVIOR_CACHE_LOOKUPS behavior so that you can save on multiple DNS lookups.
314 * Added CAS support, though this is optional and must be enabled during runtime.
315 * Added the utility memerror to create human readable error strings from memcached errors (aka convert ints to strings)
316 * Fixed type in MEMCACHED_HOST_LOOKUP_FAILURE
317 * Fixed bug where hostname might not be null terminated
318 * Moved to using gethostbyname_r() on Linux to solve thread safety issue
319 * Added -rpath support for pkg-config
320 * Documentation fix for hash setting using memcached_behavior_set()
322 0.9 Thu Nov 15 07:44:00 PST 2007
323 * fix for when no servers are definied.
324 * different buffers are now kept for different connections to speed up async efforts
325 * Modified increment/decrement functions to return uint64_t values
326 * Fixed bug in cases where zero length keys were provided
327 * Thread cleanup issue in memslap
328 * No hostname lookup on reconnect
329 * Fix for flag settings (was doing hex by accident!)
330 * Support for 1.2.4 server additions "prepend" and "append" added.
331 * Added memcached_version()... not sure if I will make this public or not.
333 0.8 Mon Nov 5 10:40:41 PST 2007
334 * Adding support for CRC hash method
335 * Adding support for UNIX sockets
336 * Added additional HASHing methods of FNV1_64,FNV1A_64, FNV1_32, FNV1A_32
337 * Added pkgconfig support (PKG_CHECK_MODULES)
338 * Fixed conflict with defined type in MySQL
339 * Added memcached_result_st structure and functions to manipulate it.
341 0.7 Tue Oct 30 09:24:05 PDT 2007
342 * Poved to poll() from select()
343 * Fixes in internal string class for allocation of large numbers of strings.
344 * memcached_mget() function now sends keys as it parses them instead of building strings as it goes.
345 * Propper flush now for making sure we get all IO sent even when in non-block mode.
346 * Added --enable-debug rule for configure
347 * All asserts() removed (hey this is going into production!)
350 0.6 Wed Oct 17 08:41:35 PDT 2007
351 * get value returns are now null terminated (request by Cal Heldenbrand)
352 * Fixed connections for more hosts then two.
353 * Rewrite of the read/write IO systems to handle different sorts of host failures.
354 * Added man pages for all functions and tools
355 * Raised buffer size for readinng/writing to 16K
356 * You can now optionally set the socket size for recv/send via memached_behavior_set/get.
358 0.5 Tue Oct 9 00:22:25 PDT 2007
359 * Ruby maintainer mentioned TCP_NODELAY patch he had added. Added this to C
360 library as well. (Eric Hodel drbrain@segment7.net)
361 * Added support script for set_benchmark
362 * Updated memslap to allow testing of TCP_NODELAY
363 * Updated memslap to support --flush (aka dump memcache servers before testing)
364 * Fixed bug in multiple hosts not being activated
365 * Added environmental variable MEMCACHED_SERVERS which can be used to set the servers list.
366 * fixed memcached_stat method (and now memstat works)
367 * server connect now happens on demand.
368 * Help for all command line applications
370 0.4 Wed Oct 3 10:28:50 PDT 2007
371 * Added buffered IO to write calls for keys
372 * Added buffered IO for reads
373 * memstat was broken (bad if/else on connect)
374 * New non-blocking IO (not default yet). Mucho faster
375 * Refactor of test system.
376 * memslap crash solved
378 0.3 Mon Oct 1 06:37:52 PDT 2007
379 * Jeff Fisher <guppy@techmonkeys.org> provided a spec file
380 * Added "make rpm" around dist file
381 * Added support for Solaris
382 * Added support for DTrace
383 * Fixed read to be recv and write to be send
384 * Bug fix where memstat would core if no server was found
385 * Added memslap tool (load generator)
386 * Numerous bug fixes in library
387 * Added calls to library for creating host lists (see text cases to understand how to use this).
389 0.2 Thu Sep 27 03:46:57 PDT 2007
390 * First public version
projects / m6w6 / libmemcached / blob