Merge working tree with build tree.
[awesomized/libmemcached] / ChangeLog
1 1.0.8
2 * Added support for setting options via ENV variable LIBMEMCACHED
3
4 1.0.7 Sat Apr 28 00:48:29 PDT 2012
5 * Add API call for exist calls.
6 * Update all license files to be BSD.
7
8 1.0.6 Sat Apr 7 18:26:49 PDT 2012
9 * Fixes for gcc 4.7, lp:961812
10 * Fix for restart issue that happens under testing.
11 * Fix for lp:962815.
12 * Support for transparent AES encryption.
13
14 1.0.5 Tue Mar 13 22:56:47 PDT 2012
15 * Fixes for OSX.
16 * Version is now parsed directly in the parser, which makes buffered operations now work with it..
17 * memstat has been extended so that it can be used to find the version of the server.
18 * Update documentation.
19 * Fixes for compile issues on Debian and Ubuntu
20
21 1.0.4 Thu Jan 26 22:33:54 PST 2012
22 * Fix for memcached_dump().
23 * Additional testing for memcached_stat_execute().
24
25 1.0.3 Sun Jan 8 18:11:36 PST 2012
26 * Increased size of sort buffer used during Ketama.
27 * Added support for new behavior to handle dead servers.
28 * Overall haul of UDP IO.
29 * Fixed C compile issue with memcached_exist()
30 * Numerous bug fixes.
31 * Clang support for OSX.
32 * All commands now using vector send support.
33
34 1.0.2 Mon Oct 24 08:00:48 PDT 2011
35 * Dropped libmemcached/memcached_util.h (undocumented header file)
36 * Added memcached_touch() and memcached_touch_by_key()
37 * UDP support restructured to toggle on a complete memcached_st structure.
38
39 0.53 Mon Sep 26 20:50:33 PDT 2011
40 * Fix for FreeBSD/OpenBSD and -lm
41 * Added memcached_exist()
42 * Fix for memory when using config test.
43 * CLI gained --quiet
44
45 0.52 Sun Sep 11 22:16:08 PDT 2011
46 * Build fixes for Ubuntu/Suse.
47 * Fixes for OSX Lion.
48 * Bug fix for looping back through dns lookups under certain failures.
49 * Fixes related to dead server failures.
50
51 0.51 Thu Jul 21 11:08:58 PDT 2011
52 * memcached_callback_set() now takes its data argument as const
53 * Update to tests.
54 * Fix in parser for port number.
55
56 0.50 Mon Jun 20 10:36:57 PDT 2011
57 * Updates to C++ interface
58 * Custom free allocators need to now check for value before calling free.
59 * memcached_fetch_result() now uses the internal result when available (about 25 to 50% faster).
60 * Fix for stats structure.
61 * Updates to documentation.
62 * memcached_fetch_result() now uses the internal result when available (about 25 to 50% faster).
63
64 0.49 Thu Apr 14 08:43:37 PDT 2011
65 * Fix calls to auto methods so that if value is not passed in nothing bad happens.
66 * New parser calls for generating memcached_st objects.
67 * New error system.
68 * New flow control for messages means faster get/set calls.
69 * Added new documentation system.
70 * 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.
71 * Added MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS to simplify the setting of AUTO REJECT for servers.
72
73 0.48 Tue Mar 15 23:05:18 PDT 2011
74 * Fix memory leak in server parse.
75 * Move test framework out to be its own library (easier to work with Gearman).
76
77
78 0.47 Wed Feb 23 18:46:48 PST 2011
79 * Additional fixes for OpenBSD.
80 * Bug fix 677609, 456080.
81 * SIGPIPE fix for Linux send().
82 * memcapable can now test ascii or binary based on flags.
83 * Additional build fixes for SASL.
84
85
86 0.46 Mon Feb 14 10:28:01 PST 2011
87 * Fixes a number of corner case bugs.
88 * Fixes related to OpenBSD.
89 * Better testing for protocol version.
90 * Removes special case infinite wait on blocking setup.
91
92 0.45 Tue Feb 8 16:02:06 PST 2011
93 * Add support for systemtap
94
95 0.44 Wed Sep 22 21:57:57 PDT 2010
96 * Windows bug fixes.
97 * Hudson port support in test harness.
98 * Improved portability of test hanrness.
99 * SASL fixes.
100
101 0.43 Wed Jul 28 16:29:47 PDT 2010
102 * Added --args to memstat so that a greater range of values can be returned.
103 * Prelimanary support for Windows.
104 * memcached_stat_execute() merged.
105
106 0.42 Tue Jul 6 12:29:50 PDT 2010
107 * Mistake in libtool caused issue with library version
108
109 0.41 Wed Jun 30 13:15:19 PDT 2010
110 * Added --file for memcat.
111 * Added limemcached_ping() to libmemcached_util
112 * Bugfix for some cases where connect would have issues with timeout.
113 * Wrong value for errno given as error on an IO failure inside of poll.
114 * Bug fix for issue where multiple interfaces with bad DNS were not being caught.
115
116 0.40 Thu Apr 22 19:01:25 PDT 2010
117 * Placed retry logic in for busted resolvers
118 * Add an ignore for SIGPIPE to solve OSX issues.
119 * A couple of fixed for memcached_light server.
120 * Updated to debug mode to track io_wait
121
122 0.39 Tue Apr 6 12:35:13 PDT 2010
123 * Add support for prefix keys to binary protocol.
124 * Remove the undocumented call memcached_server_remove().
125 * The undocumented call memcached_server_by_key() now returns const.
126 * memcached_server_error_reset() has been deprecated.
127 * memcached_server_list() has been deprecated. Use memcached_server_cursor() to walk the servers found in a memcached_st() structure.
128 * memcached_verbosity() can now be run concurrently with other operations.
129 * SASL support.
130 * Fixes memory leak found in EJECT HOSTS.
131
132 0.38 Wed Feb 10 09:40:33 PST 2010
133 * C++ interface for libhashkit.
134 * Modified memcached_set_memory_allocators() so that it requires a context pointer.
135 * memcached_clone() now runs 5 times faster.
136 * Functions used for callbacks are now given const memcached_st.
137 * Added MEMCACHED_BEHAVIOR_CORK.
138 * memslap now creates a configuration file at ~/.memslap.cnf
139 * memcached_purge() now calls any callbacks registered during get execution.
140 * Many fixes to memslap.
141 * Updates for memcapable.
142 * Compile fixes for OpenBSD.
143 * Fix for possible recursive decent on IO failure.
144
145 0.37 Mon Jan 11 16:29:57 PST 2010
146 * Fixed build for libhashkit.
147 * Fixed install path regression.
148 * Modified RPM to strict check install.
149 * Added documentation for memcached_server_cursor();
150 * Added memcached_servers_reset().
151 * Modified memcached_st to remove dead cursor_server member.
152
153 0.36 Wed Jan 6 18:23:50 PST 2010
154 * Merged in new memslap utility.
155 * All of constants.h has been updated to match style (all old identifiers continue to work).
156 * Added first pass for libhashkit.
157 * Updated test Framework/extended tests.
158 * Random read support during replication added.
159 * Modified use_sort so that the option can be applied to any distribution type.
160 * We removed the MEMCACHED_BEHAVIOR_KETAMA_COMPAT_MODE added in 0.35. Instead use memcached_behavior_set_distribution().
161
162 0.35 Mon Nov 9 11:18:33 PST 2009
163 * Added support for by_key operations for inc/dec methods.
164 * Added mget test to memslap.
165 * Support for compatible ketama for SpyMemcached
166 * Update C++ interface.
167 * Fix for memcp
168
169 0.34 Tue Oct 13 08:39:51 PDT 2009
170 * Added support for setting behavior flags on a connection pool.
171 * Don't increment server_failure_counter on normal disconnects.
172 * Added prototype for a callback based protocol parser (server side) with examples so that you could let your own application speak the memcached protocol
173 * Updated memcapable to test ASCII protocol.
174 * Changed behavior so that server can be removed at first sign of failure.
175 * Added memcached_server_get_last_disconnect() call
176
177 0.33 Wed Sep 23 10:11:58 PDT 2009
178 * Added memcapable to test servers for binary compatibility.
179 * 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).
180 * Several bug fixes for binary protocol support.
181 * Fixed crashing issue with dumping from memcachd server (server internals were changed without documenting change).
182
183 0.32 Tue Sep 15 15:49:09 PDT 2009
184 * Change of behavior where linger is only modified for no-block and then it is set to zero.
185 * Added Twitter's memcached_server_error() functions.
186 * Fix for OSX compiles in development builds.
187 * Updated C++ interface.
188 * 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.
189
190 0.31 Fri Jul 10 09:02:50 PDT 2009
191 * Added support or HA via replication.
192 * malloc() removed for server key usage.
193 * Update build system.
194 * Added support for memcached_set_memory_allocators().
195 * Fixed bug in configure.ac for have_htoll.
196
197 0.30 Sun May 31 17:31:52 PDT 2009
198 * Added memcachd_dump command (and framework for memdump tool).
199 * Realigned all structures to remove padding (and line up important bits for 64bit caches.
200 * Remove some of sprintf() in storage calls().
201 * Removed printf() in stat call for unknown stat member.
202 * memcached_generate_hash() function added.
203 * Added tests to make sure all hash functions are stable.
204
205 0.29 Tue May 19 08:26:48 PDT 2009
206 * Fixed malloc usage to calloc for spots where we need zero filled memory.
207 * All code warnings now treated as errors.
208 * Fixes for debian packaging.
209 * Added new pooling mechanism.
210 * MEMCACHED_BEHAVIOR_NO_BLOCK no longer also sets MEMCACHED_BEHAVIOR_BUFFER_REQUESTS.
211 * Updated generic rpm.
212
213 0.28 Tue Apr 14 18:56:28 PDT 2009
214 * Fixed bug in init sructure (reapplied)
215 * Fixed bug in get/set by key (nikkhils@gmail.com)
216
217 0.27 Sun Mar 29 22:33:01 PDT 2009
218 * Added new UDP fire-forget mode.
219 * Reworked performance for mget() to better make use of async protocol
220 * Cleaned up execution of fetch (just one set of code now)
221 * Fixed Jenkin's for big endian hosts.
222 * Updates for memstat to determine network latency.
223 * Updates for binary protocol.
224 * Many updates to documentation.
225
226 0.26 Thu Jan 29 13:05:50 PST 2009
227 * Fix for decrement on hash key
228 * Fixed assert that was catching bad memset() call in host_reset()
229 * Fix purge issue for blocked IO which has been stacked.
230
231 0.25 Fri Nov 28 09:59:35 PST 2008
232 * Jenkins HASH added.
233 * Update of Murmur hash code
234 * Support explicit weights (Robey Pointer, Evan Weaver)
235 * Bugfix for ketama continuum (Robey Pointer)
236 * New behavior MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY (Robey Pointer)
237 * Don't ever call stats for weighting servers, because it is unstable.
238
239 0.24 Tue Sep 16 02:59:03 PDT 2008 (never released)
240 * Cleanup compile warnings.
241 * Fix issues in partitioning by keys.
242 * Fixed "fail case" to make sure when calling memcached_clone() no memcached_st is over written.
243 * New memcached_server_by_key() method for finding a server from a key.
244 * memcached_server_free() was added for freeing server structures.
245
246
247 0.23 Sun Sep 7 08:13:59 PDT 2008
248 * Added strings.h header for Solaris 9
249 * Solaris 64bit fix.
250 * Support for weighted Ketama from Yin Chen.
251 * Fix for Chinese
252 * Fix for 0 length key to trigger bad key.
253 * Added behaviors MEMCACHED_BEHAVIOR_SND_TIMEOUT, MEMCACHED_BEHAVIOR_RCV_TIMEOUT
254 * Support for Binary Protocol added
255
256 0.22 Mon Jul 14 09:24:11 PDT 2008
257 * Fix where master key was no being checked for "bad key"
258 * Fixed bugs in stats output (thread output was wrong)
259 * Clarified MEMCACHED_BAD_KEY_PROVIDED is return for bad prefix key.
260 * Found a bug in Flags return (Jacek Ostrowski)
261 * Fixed issue with compiling on Visual Studio
262
263 0.21 Fri May 23 18:34:09 PDT 2008
264 * Change of char * to const char * for all key based functions.
265 * New MEMCACHED_CALLBACK_PREFIX_KEY added. You can now create domains for values.
266 * Fixed bug introducd in last version on memcp
267 * Fix for death of file io to call shutdown()
268
269 0.20 Mon May 5 08:34:26 PDT 2008
270 * New consistent distribution tests.
271 * Found a memory leak when a server constantly fails.
272 * Fix in watchpoint macro
273 * Changed default timeout to 1 second for poll timeouts
274 * Wheel uses less memory/dynamic allocation for size (no longer limited to 512 hosts by default.
275 * memslap memory leak fix
276 * Added Ketama distribution
277 * Fix assert.h compile problem on CentOS
278
279 0.19 Wed Apr 9 09:30:53 PDT 2008
280 * Documentation fix in libmemcached.
281 * Fixed bug where sort was always occuring on hosts
282 * Logic fix in branch prediction (thanks Jay!)
283 * Read through cached support.
284 * Fixed for cas by key operation.
285 * Fix for memcached_server_st list structures to have correct count.
286 * Added callback MEMCACHED_CALLBACK_DELETE_TRIGGER
287 * Removed function call in favor of macro (aka cut out some instructions)
288
289
290 0.18 Sun Mar 16 21:57:55 PDT 2008
291 * Fix plus tests for non-zero value objects and flags.
292 * MEMCACHED_HASH_MURMUR added for murmur algorithm provided.
293 * MEMCACHED_BEHAVIOR_RETRY_TIMEOUT added to keep connecting from looping on timeout.
294 * gcc branch prediction optimizations
295 * Refactored entire tree to make include files cleaner
296 * Fixed leaked socket.
297
298 0.17 Wed Feb 27 03:33:29 PST 2008
299 * MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT added for connect timeout in non-block mode.
300 * Incompatible change in memcached_behavior_set() api. We now use a uint64_t, instead of a pointer.
301 * Fix for storage of values for zero.
302 * memcached_server_cursor() function added to API for cycling through servers.
303
304 0.16 Mon Feb 18 00:30:25 PST 2008
305 * Work on the UDP protocol
306 * Added get_by_key, set_by_key tests for C++ API
307 * Fix for limit_maxbytes to be 64bit in stats
308 * Added Atom Smasher test (scale baby, scale!)
309 * 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.
310 * Added MEMCACHED_BAD_KEY_PROVIDED error for auto, set, and get operations. MEMCACHED_BEHAVIOR_VERIFY_KEY was added to enable this feature.
311 * More error messages on command line tools.
312 * Fixed bugs in memcached_cas() operator.
313 * Fix to loop through interfaces
314
315 0.15 Tue Jan 29 14:55:44 PST 2008
316 * More work on the C++ API.
317 * Bug fixes around block corner cases.
318 * Slight performance increase in both read() and write().
319
320 0.14 Tue Jan 22 06:21:49 PST 2008
321 * For for bug found by Evan Weaver where increment() was not returning propper error of value was not found.
322 * Fix for bad null pointer on flag by Toru Maesaka.
323 * Refactor of all IO to just pass in the active server
324 * Problem configuring (PKG_CHECK_MODULES) fixed by removal of "rpath" in support/libmemcached.pc.in (Thanks to Ross McFarland).
325 * Added memcached_callback_get()/set()
326 * First prototype of C++ interface
327 * Updated docs for uint16_t changes in previous release
328
329 0.13 Sun Jan 13 06:51:50 PST 2008
330 * MEMCACHED_BEHAVIOR_USER_DATA added to store user pointer.
331 * Fix for failure to connect to invalidate socket.
332 * Patch from Marc Rossi to add --hash option for memcp, memrm, and memcat.
333 * Kevin's patch for fixing EOF issues during a read.
334 * Toru Maesaka patch for stats mismatch
335 * Fix for when CRC return 0
336 * Fixed uint16_t issues around flags. Turns out the documentation on the protocol was wrong.
337 * Lingering socket fixes for FreeBSD.
338 * Patches from Kevin Dalley for FreeBSD 4.0
339 * Added multi delete functions.
340 * All get key returns have C style null termination
341 * If memcached_server_list_append is passed NULLs instead of pointers it returns NULL.
342 * Added memcached_fetch_execute() method
343 * Found a bug where memcached_fetch() was not null terminating the result value.
344 * memcached_behavior() now has the ability to set "buffering" so that data is not automatically flushed.
345 * Behavior change, buffered commands now return MEMCACHED_BUFFERED
346
347 0.12 Tue Dec 11 15:20:55 PST 2007
348 * Updates for consistent hashing
349 * IPV6 support
350 * Static allocation for hostname (performance)
351 * Fixed bug where in non-block mode all data might not have been sent on close().
352 * Refactor of memcached_get() to use common code.
353 * Change in value fetch, MEMCACHED_END is now returned when keys are no longer in the pipe.
354 * Fixed bug where key could be out of range of characters
355 * Added _by_key() methods to allow partitioning of values to particular servers.
356 * MEMCACHED_DEFAILT_TIMEOUT is now set to a non -1 value.
357 * Performance improvements in get operations.
358
359 0.11 Mon Nov 26 01:05:52 PST 2007
360 * Added option to memcache_behavior_set() so that poll() can be timed out.
361 * Fixed memory leak in case of using memcached_fetch_result() where no value was returned.
362 * Bug fixed in memcached_connect() which would cause servers that did not need to be enabled to be enabled (performance issue).
363 * Rewrote bounds checking code for get calls.
364 * "make test" now starts its own memcached servers.
365 * Added Hseih hash (MEMCACHED_HASH_HSIEH), which is showing about 7% performance over standard hash.
366
367 0.10 Tue Nov 20 23:22:31 PST 2007
368 * Added append binary test.
369 * Added MEMCACHED_BEHAVIOR_CACHE_LOOKUPS behavior so that you can save on multiple DNS lookups.
370 * Added CAS support, though this is optional and must be enabled during runtime.
371 * Added the utility memerror to create human readable error strings from memcached errors (aka convert ints to strings)
372 * Fixed type in MEMCACHED_HOST_LOOKUP_FAILURE
373 * Fixed bug where hostname might not be null terminated
374 * Moved to using gethostbyname_r() on Linux to solve thread safety issue
375 * Added -rpath support for pkg-config
376 * Documentation fix for hash setting using memcached_behavior_set()
377
378 0.9 Thu Nov 15 07:44:00 PST 2007
379 * fix for when no servers are definied.
380 * different buffers are now kept for different connections to speed up async efforts
381 * Modified increment/decrement functions to return uint64_t values
382 * Fixed bug in cases where zero length keys were provided
383 * Thread cleanup issue in memslap
384 * No hostname lookup on reconnect
385 * Fix for flag settings (was doing hex by accident!)
386 * Support for 1.2.4 server additions "prepend" and "append" added.
387 * Added memcached_version()... not sure if I will make this public or not.
388
389 0.8 Mon Nov 5 10:40:41 PST 2007
390 * Adding support for CRC hash method
391 * Adding support for UNIX sockets
392 * Added additional HASHing methods of FNV1_64,FNV1A_64, FNV1_32, FNV1A_32
393 * Added pkgconfig support (PKG_CHECK_MODULES)
394 * Fixed conflict with defined type in MySQL
395 * Added memcached_result_st structure and functions to manipulate it.
396
397 0.7 Tue Oct 30 09:24:05 PDT 2007
398 * Poved to poll() from select()
399 * Fixes in internal string class for allocation of large numbers of strings.
400 * memcached_mget() function now sends keys as it parses them instead of building strings as it goes.
401 * Propper flush now for making sure we get all IO sent even when in non-block mode.
402 * Added --enable-debug rule for configure
403 * All asserts() removed (hey this is going into production!)
404
405
406 0.6 Wed Oct 17 08:41:35 PDT 2007
407 * get value returns are now null terminated (request by Cal Heldenbrand)
408 * Fixed connections for more hosts then two.
409 * Rewrite of the read/write IO systems to handle different sorts of host failures.
410 * Added man pages for all functions and tools
411 * Raised buffer size for readinng/writing to 16K
412 * You can now optionally set the socket size for recv/send via memached_behavior_set/get.
413
414 0.5 Tue Oct 9 00:22:25 PDT 2007
415 * Ruby maintainer mentioned TCP_NODELAY patch he had added. Added this to C
416 library as well. (Eric Hodel drbrain@segment7.net)
417 * Added support script for set_benchmark
418 * Updated memslap to allow testing of TCP_NODELAY
419 * Updated memslap to support --flush (aka dump memcache servers before testing)
420 * Fixed bug in multiple hosts not being activated
421 * Added environmental variable MEMCACHED_SERVERS which can be used to set the servers list.
422 * fixed memcached_stat method (and now memstat works)
423 * server connect now happens on demand.
424 * Help for all command line applications
425
426 0.4 Wed Oct 3 10:28:50 PDT 2007
427 * Added buffered IO to write calls for keys
428 * Added buffered IO for reads
429 * memstat was broken (bad if/else on connect)
430 * New non-blocking IO (not default yet). Mucho faster
431 * Refactor of test system.
432 * memslap crash solved
433
434 0.3 Mon Oct 1 06:37:52 PDT 2007
435 * Jeff Fisher <guppy@techmonkeys.org> provided a spec file
436 * Added "make rpm" around dist file
437 * Added support for Solaris
438 * Added support for DTrace
439 * Fixed read to be recv and write to be send
440 * Bug fix where memstat would core if no server was found
441 * Added memslap tool (load generator)
442 * Numerous bug fixes in library
443 * Added calls to library for creating host lists (see text cases to understand how to use this).
444
445 0.2 Thu Sep 27 03:46:57 PDT 2007
446 * First public version
447