2 * Fix calls to auto methods so that if value is not passed in nothing bad happens.
3 * New parser calls for generating memcached_st objects.
5 * Added new documentation system.
6 * A behavior change has been now made that if you specify a weight for any
7 server, we enable the weight flag and do weight balancing.
9 0.48 Tue Mar 15 23:05:18 PDT 2011
10 * Fix memory leak in server parse.
11 * Move test framework out to be its own library (easier to work with Gearman).
14 0.47 Wed Feb 23 18:46:48 PST 2011
15 * Additional fixes for OpenBSD.
16 * Bug fix 677609, 456080.
17 * SIGPIPE fix for Linux send().
18 * memcapable can now test ascii or binary based on flags.
19 * Additional build fixes for SASL.
22 0.46 Mon Feb 14 10:28:01 PST 2011
23 * Fixes a number of corner case bugs.
24 * Fixes related to OpenBSD.
25 * Better testing for protocol version.
26 * Removes special case infinite wait on blocking setup.
28 0.45 Tue Feb 8 16:02:06 PST 2011
29 * Add support for systemtap
31 0.44 Wed Sep 22 21:57:57 PDT 2010
33 * Hudson port support in test harness.
34 * Improved portability of test hanrness.
37 0.43 Wed Jul 28 16:29:47 PDT 2010
38 * Added --args to memstat so that a greater range of values can be returned.
39 * Prelimanary support for Windows.
40 * memcached_stat_execute() merged.
42 0.42 Tue Jul 6 12:29:50 PDT 2010
43 * Mistake in libtool caused issue with library version
45 0.41 Wed Jun 30 13:15:19 PDT 2010
46 * Added --file for memcat.
47 * Added limemcached_ping() to libmemcached_util
48 * Bugfix for some cases where connect would have issues with timeout.
49 * Wrong value for errno given as error on an IO failure inside of poll.
50 * Bug fix for issue where multiple interfaces with bad DNS were not being caught.
52 0.40 Thu Apr 22 19:01:25 PDT 2010
53 * Placed retry logic in for busted resolvers
54 * Add an ignore for SIGPIPE to solve OSX issues.
55 * A couple of fixed for memcached_light server.
56 * Updated to debug mode to track io_wait
58 0.39 Tue Apr 6 12:35:13 PDT 2010
59 * Add support for prefix keys to binary protocol.
60 * Remove the undocumented call memcached_server_remove().
61 * The undocumented call memcached_server_by_key() now returns const.
62 * memcached_server_error_reset() has been deprecated.
63 * memcached_server_list() has been deprecated. Use memcached_server_cursor() to walk the servers found in a memcached_st() structure.
64 * memcached_verbosity() can now be run concurrently with other operations.
66 * Fixes memory leak found in EJECT HOSTS.
68 0.38 Wed Feb 10 09:40:33 PST 2010
69 * C++ interface for libhashkit.
70 * Modified memcached_set_memory_allocators() so that it requires a context pointer.
71 * memcached_clone() now runs 5 times faster.
72 * Functions used for callbacks are now given const memcached_st.
73 * Added MEMCACHED_BEHAVIOR_CORK.
74 * memslap now creates a configuration file at ~/.memslap.cnf
75 * memcached_purge() now calls any callbacks registered during get execution.
76 * Many fixes to memslap.
77 * Updates for memcapable.
78 * Compile fixes for OpenBSD.
79 * Fix for possible recursive decent on IO failure.
81 0.37 Mon Jan 11 16:29:57 PST 2010
82 * Fixed build for libhashkit.
83 * Fixed install path regression.
84 * Modified RPM to strict check install.
85 * Added documentation for memcached_server_cursor();
86 * Added memcached_servers_reset().
87 * Modified memcached_st to remove dead cursor_server member.
89 0.36 Wed Jan 6 18:23:50 PST 2010
90 * Merged in new memslap utility.
91 * All of constants.h has been updated to match style (all old identifiers continue to work).
92 * Added first pass for libhashkit.
93 * Updated test Framework/extended tests.
94 * Random read support during replication added.
95 * Modified use_sort so that the option can be applied to any distribution type.
96 * We removed the MEMCACHED_BEHAVIOR_KETAMA_COMPAT_MODE added in 0.35. Instead use memcached_behavior_set_distribution().
98 0.35 Mon Nov 9 11:18:33 PST 2009
99 * Added support for by_key operations for inc/dec methods.
100 * Added mget test to memslap.
101 * Support for compatible ketama for SpyMemcached
102 * Update C++ interface.
105 0.34 Tue Oct 13 08:39:51 PDT 2009
106 * Added support for setting behavior flags on a connection pool.
107 * Don't increment server_failure_counter on normal disconnects.
108 * Added prototype for a callback based protocol parser (server side) with examples so that you could let your own application speak the memcached protocol
109 * Updated memcapable to test ASCII protocol.
110 * Changed behavior so that server can be removed at first sign of failure.
111 * Added memcached_server_get_last_disconnect() call
113 0.33 Wed Sep 23 10:11:58 PDT 2009
114 * Added memcapable to test servers for binary compatibility.
115 * 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).
116 * Several bug fixes for binary protocol support.
117 * Fixed crashing issue with dumping from memcachd server (server internals were changed without documenting change).
119 0.32 Tue Sep 15 15:49:09 PDT 2009
120 * Change of behavior where linger is only modified for no-block and then it is set to zero.
121 * Added Twitter's memcached_server_error() functions.
122 * Fix for OSX compiles in development builds.
123 * Updated C++ interface.
124 * 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.
126 0.31 Fri Jul 10 09:02:50 PDT 2009
127 * Added support or HA via replication.
128 * malloc() removed for server key usage.
129 * Update build system.
130 * Added support for memcached_set_memory_allocators().
131 * Fixed bug in configure.ac for have_htoll.
133 0.30 Sun May 31 17:31:52 PDT 2009
134 * Added memcachd_dump command (and framework for memdump tool).
135 * Realigned all structures to remove padding (and line up important bits for 64bit caches.
136 * Remove some of sprintf() in storage calls().
137 * Removed printf() in stat call for unknown stat member.
138 * memcached_generate_hash() function added.
139 * Added tests to make sure all hash functions are stable.
141 0.29 Tue May 19 08:26:48 PDT 2009
142 * Fixed malloc usage to calloc for spots where we need zero filled memory.
143 * All code warnings now treated as errors.
144 * Fixes for debian packaging.
145 * Added new pooling mechanism.
146 * MEMCACHED_BEHAVIOR_NO_BLOCK no longer also sets MEMCACHED_BEHAVIOR_BUFFER_REQUESTS.
147 * Updated generic rpm.
149 0.28 Tue Apr 14 18:56:28 PDT 2009
150 * Fixed bug in init sructure (reapplied)
151 * Fixed bug in get/set by key (nikkhils@gmail.com)
153 0.27 Sun Mar 29 22:33:01 PDT 2009
154 * Added new UDP fire-forget mode.
155 * Reworked performance for mget() to better make use of async protocol
156 * Cleaned up execution of fetch (just one set of code now)
157 * Fixed Jenkin's for big endian hosts.
158 * Updates for memstat to determine network latency.
159 * Updates for binary protocol.
160 * Many updates to documentation.
162 0.26 Thu Jan 29 13:05:50 PST 2009
163 * Fix for decrement on hash key
164 * Fixed assert that was catching bad memset() call in host_reset()
165 * Fix purge issue for blocked IO which has been stacked.
167 0.25 Fri Nov 28 09:59:35 PST 2008
168 * Jenkins HASH added.
169 * Update of Murmur hash code
170 * Support explicit weights (Robey Pointer, Evan Weaver)
171 * Bugfix for ketama continuum (Robey Pointer)
172 * New behavior MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY (Robey Pointer)
173 * Don't ever call stats for weighting servers, because it is unstable.
175 0.24 Tue Sep 16 02:59:03 PDT 2008 (never released)
176 * Cleanup compile warnings.
177 * Fix issues in partitioning by keys.
178 * Fixed "fail case" to make sure when calling memcached_clone() no memcached_st is over written.
179 * New memcached_server_by_key() method for finding a server from a key.
180 * memcached_server_free() was added for freeing server structures.
183 0.23 Sun Sep 7 08:13:59 PDT 2008
184 * Added strings.h header for Solaris 9
186 * Support for weighted Ketama from Yin Chen.
188 * Fix for 0 length key to trigger bad key.
189 * Added behaviors MEMCACHED_BEHAVIOR_SND_TIMEOUT, MEMCACHED_BEHAVIOR_RCV_TIMEOUT
190 * Support for Binary Protocol added
192 0.22 Mon Jul 14 09:24:11 PDT 2008
193 * Fix where master key was no being checked for "bad key"
194 * Fixed bugs in stats output (thread output was wrong)
195 * Clarified MEMCACHED_BAD_KEY_PROVIDED is return for bad prefix key.
196 * Found a bug in Flags return (Jacek Ostrowski)
197 * Fixed issue with compiling on Visual Studio
199 0.21 Fri May 23 18:34:09 PDT 2008
200 * Change of char * to const char * for all key based functions.
201 * New MEMCACHED_CALLBACK_PREFIX_KEY added. You can now create domains for values.
202 * Fixed bug introducd in last version on memcp
203 * Fix for death of file io to call shutdown()
205 0.20 Mon May 5 08:34:26 PDT 2008
206 * New consistent distribution tests.
207 * Found a memory leak when a server constantly fails.
208 * Fix in watchpoint macro
209 * Changed default timeout to 1 second for poll timeouts
210 * Wheel uses less memory/dynamic allocation for size (no longer limited to 512 hosts by default.
211 * memslap memory leak fix
212 * Added Ketama distribution
213 * Fix assert.h compile problem on CentOS
215 0.19 Wed Apr 9 09:30:53 PDT 2008
216 * Documentation fix in libmemcached.
217 * Fixed bug where sort was always occuring on hosts
218 * Logic fix in branch prediction (thanks Jay!)
219 * Read through cached support.
220 * Fixed for cas by key operation.
221 * Fix for memcached_server_st list structures to have correct count.
222 * Added callback MEMCACHED_CALLBACK_DELETE_TRIGGER
223 * Removed function call in favor of macro (aka cut out some instructions)
226 0.18 Sun Mar 16 21:57:55 PDT 2008
227 * Fix plus tests for non-zero value objects and flags.
228 * MEMCACHED_HASH_MURMUR added for murmur algorithm provided.
229 * MEMCACHED_BEHAVIOR_RETRY_TIMEOUT added to keep connecting from looping on timeout.
230 * gcc branch prediction optimizations
231 * Refactored entire tree to make include files cleaner
232 * Fixed leaked socket.
234 0.17 Wed Feb 27 03:33:29 PST 2008
235 * MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT added for connect timeout in non-block mode.
236 * Incompatible change in memcached_behavior_set() api. We now use a uint64_t, instead of a pointer.
237 * Fix for storage of values for zero.
238 * memcached_server_cursor() function added to API for cycling through servers.
240 0.16 Mon Feb 18 00:30:25 PST 2008
241 * Work on the UDP protocol
242 * Added get_by_key, set_by_key tests for C++ API
243 * Fix for limit_maxbytes to be 64bit in stats
244 * Added Atom Smasher test (scale baby, scale!)
245 * 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.
246 * Added MEMCACHED_BAD_KEY_PROVIDED error for auto, set, and get operations. MEMCACHED_BEHAVIOR_VERIFY_KEY was added to enable this feature.
247 * More error messages on command line tools.
248 * Fixed bugs in memcached_cas() operator.
249 * Fix to loop through interfaces
251 0.15 Tue Jan 29 14:55:44 PST 2008
252 * More work on the C++ API.
253 * Bug fixes around block corner cases.
254 * Slight performance increase in both read() and write().
256 0.14 Tue Jan 22 06:21:49 PST 2008
257 * For for bug found by Evan Weaver where increment() was not returning propper error of value was not found.
258 * Fix for bad null pointer on flag by Toru Maesaka.
259 * Refactor of all IO to just pass in the active server
260 * Problem configuring (PKG_CHECK_MODULES) fixed by removal of "rpath" in support/libmemcached.pc.in (Thanks to Ross McFarland).
261 * Added memcached_callback_get()/set()
262 * First prototype of C++ interface
263 * Updated docs for uint16_t changes in previous release
265 0.13 Sun Jan 13 06:51:50 PST 2008
266 * MEMCACHED_BEHAVIOR_USER_DATA added to store user pointer.
267 * Fix for failure to connect to invalidate socket.
268 * Patch from Marc Rossi to add --hash option for memcp, memrm, and memcat.
269 * Kevin's patch for fixing EOF issues during a read.
270 * Toru Maesaka patch for stats mismatch
271 * Fix for when CRC return 0
272 * Fixed uint16_t issues around flags. Turns out the documentation on the protocol was wrong.
273 * Lingering socket fixes for FreeBSD.
274 * Patches from Kevin Dalley for FreeBSD 4.0
275 * Added multi delete functions.
276 * All get key returns have C style null termination
277 * If memcached_server_list_append is passed NULLs instead of pointers it returns NULL.
278 * Added memcached_fetch_execute() method
279 * Found a bug where memcached_fetch() was not null terminating the result value.
280 * memcached_behavior() now has the ability to set "buffering" so that data is not automatically flushed.
281 * Behavior change, buffered commands now return MEMCACHED_BUFFERED
283 0.12 Tue Dec 11 15:20:55 PST 2007
284 * Updates for consistent hashing
286 * Static allocation for hostname (performance)
287 * Fixed bug where in non-block mode all data might not have been sent on close().
288 * Refactor of memcached_get() to use common code.
289 * Change in value fetch, MEMCACHED_END is now returned when keys are no longer in the pipe.
290 * Fixed bug where key could be out of range of characters
291 * Added _by_key() methods to allow partitioning of values to particular servers.
292 * MEMCACHED_DEFAILT_TIMEOUT is now set to a non -1 value.
293 * Performance improvements in get operations.
295 0.11 Mon Nov 26 01:05:52 PST 2007
296 * Added option to memcache_behavior_set() so that poll() can be timed out.
297 * Fixed memory leak in case of using memcached_fetch_result() where no value was returned.
298 * Bug fixed in memcached_connect() which would cause servers that did not need to be enabled to be enabled (performance issue).
299 * Rewrote bounds checking code for get calls.
300 * "make test" now starts its own memcached servers.
301 * Added Hseih hash (MEMCACHED_HASH_HSIEH), which is showing about 7% performance over standard hash.
303 0.10 Tue Nov 20 23:22:31 PST 2007
304 * Added append binary test.
305 * Added MEMCACHED_BEHAVIOR_CACHE_LOOKUPS behavior so that you can save on multiple DNS lookups.
306 * Added CAS support, though this is optional and must be enabled during runtime.
307 * Added the utility memerror to create human readable error strings from memcached errors (aka convert ints to strings)
308 * Fixed type in MEMCACHED_HOST_LOOKUP_FAILURE
309 * Fixed bug where hostname might not be null terminated
310 * Moved to using gethostbyname_r() on Linux to solve thread safety issue
311 * Added -rpath support for pkg-config
312 * Documentation fix for hash setting using memcached_behavior_set()
314 0.9 Thu Nov 15 07:44:00 PST 2007
315 * fix for when no servers are definied.
316 * different buffers are now kept for different connections to speed up async efforts
317 * Modified increment/decrement functions to return uint64_t values
318 * Fixed bug in cases where zero length keys were provided
319 * Thread cleanup issue in memslap
320 * No hostname lookup on reconnect
321 * Fix for flag settings (was doing hex by accident!)
322 * Support for 1.2.4 server additions "prepend" and "append" added.
323 * Added memcached_version()... not sure if I will make this public or not.
325 0.8 Mon Nov 5 10:40:41 PST 2007
326 * Adding support for CRC hash method
327 * Adding support for UNIX sockets
328 * Added additional HASHing methods of FNV1_64,FNV1A_64, FNV1_32, FNV1A_32
329 * Added pkgconfig support (PKG_CHECK_MODULES)
330 * Fixed conflict with defined type in MySQL
331 * Added memcached_result_st structure and functions to manipulate it.
333 0.7 Tue Oct 30 09:24:05 PDT 2007
334 * Poved to poll() from select()
335 * Fixes in internal string class for allocation of large numbers of strings.
336 * memcached_mget() function now sends keys as it parses them instead of building strings as it goes.
337 * Propper flush now for making sure we get all IO sent even when in non-block mode.
338 * Added --enable-debug rule for configure
339 * All asserts() removed (hey this is going into production!)
342 0.6 Wed Oct 17 08:41:35 PDT 2007
343 * get value returns are now null terminated (request by Cal Heldenbrand)
344 * Fixed connections for more hosts then two.
345 * Rewrite of the read/write IO systems to handle different sorts of host failures.
346 * Added man pages for all functions and tools
347 * Raised buffer size for readinng/writing to 16K
348 * You can now optionally set the socket size for recv/send via memached_behavior_set/get.
350 0.5 Tue Oct 9 00:22:25 PDT 2007
351 * Ruby maintainer mentioned TCP_NODELAY patch he had added. Added this to C
352 library as well. (Eric Hodel drbrain@segment7.net)
353 * Added support script for set_benchmark
354 * Updated memslap to allow testing of TCP_NODELAY
355 * Updated memslap to support --flush (aka dump memcache servers before testing)
356 * Fixed bug in multiple hosts not being activated
357 * Added environmental variable MEMCACHED_SERVERS which can be used to set the servers list.
358 * fixed memcached_stat method (and now memstat works)
359 * server connect now happens on demand.
360 * Help for all command line applications
362 0.4 Wed Oct 3 10:28:50 PDT 2007
363 * Added buffered IO to write calls for keys
364 * Added buffered IO for reads
365 * memstat was broken (bad if/else on connect)
366 * New non-blocking IO (not default yet). Mucho faster
367 * Refactor of test system.
368 * memslap crash solved
370 0.3 Mon Oct 1 06:37:52 PDT 2007
371 * Jeff Fisher <guppy@techmonkeys.org> provided a spec file
372 * Added "make rpm" around dist file
373 * Added support for Solaris
374 * Added support for DTrace
375 * Fixed read to be recv and write to be send
376 * Bug fix where memstat would core if no server was found
377 * Added memslap tool (load generator)
378 * Numerous bug fixes in library
379 * Added calls to library for creating host lists (see text cases to understand how to use this).
381 0.2 Thu Sep 27 03:46:57 PDT 2007
382 * First public version
projects / m6w6 / libmemcached / blob