Update changelog
[m6w6/libmemcached] / ChangeLog
1 * Updates to C++ interface
2
3 0.49 Thu Apr 14 08:43:37 PDT 2011
4 * Fix calls to auto methods so that if value is not passed in nothing bad happens.
5 * New parser calls for generating memcached_st objects.
6 * New error system.
7 * New flow control for messages means faster get/set calls.
8 * Added new documentation system.
9 * 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.
10
11 * Added MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS to simplify the setting of AUTO REJECT for servers.
12
13 0.48 Tue Mar 15 23:05:18 PDT 2011
14 * Fix memory leak in server parse.
15 * Move test framework out to be its own library (easier to work with Gearman).
16
17
18 0.47 Wed Feb 23 18:46:48 PST 2011
19 * Additional fixes for OpenBSD.
20 * Bug fix 677609, 456080.
21 * SIGPIPE fix for Linux send().
22 * memcapable can now test ascii or binary based on flags.
23 * Additional build fixes for SASL.
24
25
26 0.46 Mon Feb 14 10:28:01 PST 2011
27 * Fixes a number of corner case bugs.
28 * Fixes related to OpenBSD.
29 * Better testing for protocol version.
30 * Removes special case infinite wait on blocking setup.
31
32 0.45 Tue Feb 8 16:02:06 PST 2011
33 * Add support for systemtap
34
35 0.44 Wed Sep 22 21:57:57 PDT 2010
36 * Windows bug fixes.
37 * Hudson port support in test harness.
38 * Improved portability of test hanrness.
39 * SASL fixes.
40
41 0.43 Wed Jul 28 16:29:47 PDT 2010
42 * Added --args to memstat so that a greater range of values can be returned.
43 * Prelimanary support for Windows.
44 * memcached_stat_execute() merged.
45
46 0.42 Tue Jul 6 12:29:50 PDT 2010
47 * Mistake in libtool caused issue with library version
48
49 0.41 Wed Jun 30 13:15:19 PDT 2010
50 * Added --file for memcat.
51 * Added limemcached_ping() to libmemcached_util
52 * Bugfix for some cases where connect would have issues with timeout.
53 * Wrong value for errno given as error on an IO failure inside of poll.
54 * Bug fix for issue where multiple interfaces with bad DNS were not being caught.
55
56 0.40 Thu Apr 22 19:01:25 PDT 2010
57 * Placed retry logic in for busted resolvers
58 * Add an ignore for SIGPIPE to solve OSX issues.
59 * A couple of fixed for memcached_light server.
60 * Updated to debug mode to track io_wait
61
62 0.39 Tue Apr 6 12:35:13 PDT 2010
63 * Add support for prefix keys to binary protocol.
64 * Remove the undocumented call memcached_server_remove().
65 * The undocumented call memcached_server_by_key() now returns const.
66 * memcached_server_error_reset() has been deprecated.
67 * memcached_server_list() has been deprecated. Use memcached_server_cursor() to walk the servers found in a memcached_st() structure.
68 * memcached_verbosity() can now be run concurrently with other operations.
69 * SASL support.
70 * Fixes memory leak found in EJECT HOSTS.
71
72 0.38 Wed Feb 10 09:40:33 PST 2010
73 * C++ interface for libhashkit.
74 * Modified memcached_set_memory_allocators() so that it requires a context pointer.
75 * memcached_clone() now runs 5 times faster.
76 * Functions used for callbacks are now given const memcached_st.
77 * Added MEMCACHED_BEHAVIOR_CORK.
78 * memslap now creates a configuration file at ~/.memslap.cnf
79 * memcached_purge() now calls any callbacks registered during get execution.
80 * Many fixes to memslap.
81 * Updates for memcapable.
82 * Compile fixes for OpenBSD.
83 * Fix for possible recursive decent on IO failure.
84
85 0.37 Mon Jan 11 16:29:57 PST 2010
86 * Fixed build for libhashkit.
87 * Fixed install path regression.
88 * Modified RPM to strict check install.
89 * Added documentation for memcached_server_cursor();
90 * Added memcached_servers_reset().
91 * Modified memcached_st to remove dead cursor_server member.
92
93 0.36 Wed Jan 6 18:23:50 PST 2010
94 * Merged in new memslap utility.
95 * All of constants.h has been updated to match style (all old identifiers continue to work).
96 * Added first pass for libhashkit.
97 * Updated test Framework/extended tests.
98 * Random read support during replication added.
99 * Modified use_sort so that the option can be applied to any distribution type.
100 * We removed the MEMCACHED_BEHAVIOR_KETAMA_COMPAT_MODE added in 0.35. Instead use memcached_behavior_set_distribution().
101
102 0.35 Mon Nov 9 11:18:33 PST 2009
103 * Added support for by_key operations for inc/dec methods.
104 * Added mget test to memslap.
105 * Support for compatible ketama for SpyMemcached
106 * Update C++ interface.
107 * Fix for memcp
108
109 0.34 Tue Oct 13 08:39:51 PDT 2009
110 * Added support for setting behavior flags on a connection pool.
111 * Don't increment server_failure_counter on normal disconnects.
112 * Added prototype for a callback based protocol parser (server side) with examples so that you could let your own application speak the memcached protocol
113 * Updated memcapable to test ASCII protocol.
114 * Changed behavior so that server can be removed at first sign of failure.
115 * Added memcached_server_get_last_disconnect() call
116
117 0.33 Wed Sep 23 10:11:58 PDT 2009
118 * Added memcapable to test servers for binary compatibility.
119 * 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).
120 * Several bug fixes for binary protocol support.
121 * Fixed crashing issue with dumping from memcachd server (server internals were changed without documenting change).
122
123 0.32 Tue Sep 15 15:49:09 PDT 2009
124 * Change of behavior where linger is only modified for no-block and then it is set to zero.
125 * Added Twitter's memcached_server_error() functions.
126 * Fix for OSX compiles in development builds.
127 * Updated C++ interface.
128 * 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.
129
130 0.31 Fri Jul 10 09:02:50 PDT 2009
131 * Added support or HA via replication.
132 * malloc() removed for server key usage.
133 * Update build system.
134 * Added support for memcached_set_memory_allocators().
135 * Fixed bug in configure.ac for have_htoll.
136
137 0.30 Sun May 31 17:31:52 PDT 2009
138 * Added memcachd_dump command (and framework for memdump tool).
139 * Realigned all structures to remove padding (and line up important bits for 64bit caches.
140 * Remove some of sprintf() in storage calls().
141 * Removed printf() in stat call for unknown stat member.
142 * memcached_generate_hash() function added.
143 * Added tests to make sure all hash functions are stable.
144
145 0.29 Tue May 19 08:26:48 PDT 2009
146 * Fixed malloc usage to calloc for spots where we need zero filled memory.
147 * All code warnings now treated as errors.
148 * Fixes for debian packaging.
149 * Added new pooling mechanism.
150 * MEMCACHED_BEHAVIOR_NO_BLOCK no longer also sets MEMCACHED_BEHAVIOR_BUFFER_REQUESTS.
151 * Updated generic rpm.
152
153 0.28 Tue Apr 14 18:56:28 PDT 2009
154 * Fixed bug in init sructure (reapplied)
155 * Fixed bug in get/set by key (nikkhils@gmail.com)
156
157 0.27 Sun Mar 29 22:33:01 PDT 2009
158 * Added new UDP fire-forget mode.
159 * Reworked performance for mget() to better make use of async protocol
160 * Cleaned up execution of fetch (just one set of code now)
161 * Fixed Jenkin's for big endian hosts.
162 * Updates for memstat to determine network latency.
163 * Updates for binary protocol.
164 * Many updates to documentation.
165
166 0.26 Thu Jan 29 13:05:50 PST 2009
167 * Fix for decrement on hash key
168 * Fixed assert that was catching bad memset() call in host_reset()
169 * Fix purge issue for blocked IO which has been stacked.
170
171 0.25 Fri Nov 28 09:59:35 PST 2008
172 * Jenkins HASH added.
173 * Update of Murmur hash code
174 * Support explicit weights (Robey Pointer, Evan Weaver)
175 * Bugfix for ketama continuum (Robey Pointer)
176 * New behavior MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY (Robey Pointer)
177 * Don't ever call stats for weighting servers, because it is unstable.
178
179 0.24 Tue Sep 16 02:59:03 PDT 2008 (never released)
180 * Cleanup compile warnings.
181 * Fix issues in partitioning by keys.
182 * Fixed "fail case" to make sure when calling memcached_clone() no memcached_st is over written.
183 * New memcached_server_by_key() method for finding a server from a key.
184 * memcached_server_free() was added for freeing server structures.
185
186
187 0.23 Sun Sep 7 08:13:59 PDT 2008
188 * Added strings.h header for Solaris 9
189 * Solaris 64bit fix.
190 * Support for weighted Ketama from Yin Chen.
191 * Fix for Chinese
192 * Fix for 0 length key to trigger bad key.
193 * Added behaviors MEMCACHED_BEHAVIOR_SND_TIMEOUT, MEMCACHED_BEHAVIOR_RCV_TIMEOUT
194 * Support for Binary Protocol added
195
196 0.22 Mon Jul 14 09:24:11 PDT 2008
197 * Fix where master key was no being checked for "bad key"
198 * Fixed bugs in stats output (thread output was wrong)
199 * Clarified MEMCACHED_BAD_KEY_PROVIDED is return for bad prefix key.
200 * Found a bug in Flags return (Jacek Ostrowski)
201 * Fixed issue with compiling on Visual Studio
202
203 0.21 Fri May 23 18:34:09 PDT 2008
204 * Change of char * to const char * for all key based functions.
205 * New MEMCACHED_CALLBACK_PREFIX_KEY added. You can now create domains for values.
206 * Fixed bug introducd in last version on memcp
207 * Fix for death of file io to call shutdown()
208
209 0.20 Mon May 5 08:34:26 PDT 2008
210 * New consistent distribution tests.
211 * Found a memory leak when a server constantly fails.
212 * Fix in watchpoint macro
213 * Changed default timeout to 1 second for poll timeouts
214 * Wheel uses less memory/dynamic allocation for size (no longer limited to 512 hosts by default.
215 * memslap memory leak fix
216 * Added Ketama distribution
217 * Fix assert.h compile problem on CentOS
218
219 0.19 Wed Apr 9 09:30:53 PDT 2008
220 * Documentation fix in libmemcached.
221 * Fixed bug where sort was always occuring on hosts
222 * Logic fix in branch prediction (thanks Jay!)
223 * Read through cached support.
224 * Fixed for cas by key operation.
225 * Fix for memcached_server_st list structures to have correct count.
226 * Added callback MEMCACHED_CALLBACK_DELETE_TRIGGER
227 * Removed function call in favor of macro (aka cut out some instructions)
228
229
230 0.18 Sun Mar 16 21:57:55 PDT 2008
231 * Fix plus tests for non-zero value objects and flags.
232 * MEMCACHED_HASH_MURMUR added for murmur algorithm provided.
233 * MEMCACHED_BEHAVIOR_RETRY_TIMEOUT added to keep connecting from looping on timeout.
234 * gcc branch prediction optimizations
235 * Refactored entire tree to make include files cleaner
236 * Fixed leaked socket.
237
238 0.17 Wed Feb 27 03:33:29 PST 2008
239 * MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT added for connect timeout in non-block mode.
240 * Incompatible change in memcached_behavior_set() api. We now use a uint64_t, instead of a pointer.
241 * Fix for storage of values for zero.
242 * memcached_server_cursor() function added to API for cycling through servers.
243
244 0.16 Mon Feb 18 00:30:25 PST 2008
245 * Work on the UDP protocol
246 * Added get_by_key, set_by_key tests for C++ API
247 * Fix for limit_maxbytes to be 64bit in stats
248 * Added Atom Smasher test (scale baby, scale!)
249 * 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.
250 * Added MEMCACHED_BAD_KEY_PROVIDED error for auto, set, and get operations. MEMCACHED_BEHAVIOR_VERIFY_KEY was added to enable this feature.
251 * More error messages on command line tools.
252 * Fixed bugs in memcached_cas() operator.
253 * Fix to loop through interfaces
254
255 0.15 Tue Jan 29 14:55:44 PST 2008
256 * More work on the C++ API.
257 * Bug fixes around block corner cases.
258 * Slight performance increase in both read() and write().
259
260 0.14 Tue Jan 22 06:21:49 PST 2008
261 * For for bug found by Evan Weaver where increment() was not returning propper error of value was not found.
262 * Fix for bad null pointer on flag by Toru Maesaka.
263 * Refactor of all IO to just pass in the active server
264 * Problem configuring (PKG_CHECK_MODULES) fixed by removal of "rpath" in support/libmemcached.pc.in (Thanks to Ross McFarland).
265 * Added memcached_callback_get()/set()
266 * First prototype of C++ interface
267 * Updated docs for uint16_t changes in previous release
268
269 0.13 Sun Jan 13 06:51:50 PST 2008
270 * MEMCACHED_BEHAVIOR_USER_DATA added to store user pointer.
271 * Fix for failure to connect to invalidate socket.
272 * Patch from Marc Rossi to add --hash option for memcp, memrm, and memcat.
273 * Kevin's patch for fixing EOF issues during a read.
274 * Toru Maesaka patch for stats mismatch
275 * Fix for when CRC return 0
276 * Fixed uint16_t issues around flags. Turns out the documentation on the protocol was wrong.
277 * Lingering socket fixes for FreeBSD.
278 * Patches from Kevin Dalley for FreeBSD 4.0
279 * Added multi delete functions.
280 * All get key returns have C style null termination
281 * If memcached_server_list_append is passed NULLs instead of pointers it returns NULL.
282 * Added memcached_fetch_execute() method
283 * Found a bug where memcached_fetch() was not null terminating the result value.
284 * memcached_behavior() now has the ability to set "buffering" so that data is not automatically flushed.
285 * Behavior change, buffered commands now return MEMCACHED_BUFFERED
286
287 0.12 Tue Dec 11 15:20:55 PST 2007
288 * Updates for consistent hashing
289 * IPV6 support
290 * Static allocation for hostname (performance)
291 * Fixed bug where in non-block mode all data might not have been sent on close().
292 * Refactor of memcached_get() to use common code.
293 * Change in value fetch, MEMCACHED_END is now returned when keys are no longer in the pipe.
294 * Fixed bug where key could be out of range of characters
295 * Added _by_key() methods to allow partitioning of values to particular servers.
296 * MEMCACHED_DEFAILT_TIMEOUT is now set to a non -1 value.
297 * Performance improvements in get operations.
298
299 0.11 Mon Nov 26 01:05:52 PST 2007
300 * Added option to memcache_behavior_set() so that poll() can be timed out.
301 * Fixed memory leak in case of using memcached_fetch_result() where no value was returned.
302 * Bug fixed in memcached_connect() which would cause servers that did not need to be enabled to be enabled (performance issue).
303 * Rewrote bounds checking code for get calls.
304 * "make test" now starts its own memcached servers.
305 * Added Hseih hash (MEMCACHED_HASH_HSIEH), which is showing about 7% performance over standard hash.
306
307 0.10 Tue Nov 20 23:22:31 PST 2007
308 * Added append binary test.
309 * Added MEMCACHED_BEHAVIOR_CACHE_LOOKUPS behavior so that you can save on multiple DNS lookups.
310 * Added CAS support, though this is optional and must be enabled during runtime.
311 * Added the utility memerror to create human readable error strings from memcached errors (aka convert ints to strings)
312 * Fixed type in MEMCACHED_HOST_LOOKUP_FAILURE
313 * Fixed bug where hostname might not be null terminated
314 * Moved to using gethostbyname_r() on Linux to solve thread safety issue
315 * Added -rpath support for pkg-config
316 * Documentation fix for hash setting using memcached_behavior_set()
317
318 0.9 Thu Nov 15 07:44:00 PST 2007
319 * fix for when no servers are definied.
320 * different buffers are now kept for different connections to speed up async efforts
321 * Modified increment/decrement functions to return uint64_t values
322 * Fixed bug in cases where zero length keys were provided
323 * Thread cleanup issue in memslap
324 * No hostname lookup on reconnect
325 * Fix for flag settings (was doing hex by accident!)
326 * Support for 1.2.4 server additions "prepend" and "append" added.
327 * Added memcached_version()... not sure if I will make this public or not.
328
329 0.8 Mon Nov 5 10:40:41 PST 2007
330 * Adding support for CRC hash method
331 * Adding support for UNIX sockets
332 * Added additional HASHing methods of FNV1_64,FNV1A_64, FNV1_32, FNV1A_32
333 * Added pkgconfig support (PKG_CHECK_MODULES)
334 * Fixed conflict with defined type in MySQL
335 * Added memcached_result_st structure and functions to manipulate it.
336
337 0.7 Tue Oct 30 09:24:05 PDT 2007
338 * Poved to poll() from select()
339 * Fixes in internal string class for allocation of large numbers of strings.
340 * memcached_mget() function now sends keys as it parses them instead of building strings as it goes.
341 * Propper flush now for making sure we get all IO sent even when in non-block mode.
342 * Added --enable-debug rule for configure
343 * All asserts() removed (hey this is going into production!)
344
345
346 0.6 Wed Oct 17 08:41:35 PDT 2007
347 * get value returns are now null terminated (request by Cal Heldenbrand)
348 * Fixed connections for more hosts then two.
349 * Rewrite of the read/write IO systems to handle different sorts of host failures.
350 * Added man pages for all functions and tools
351 * Raised buffer size for readinng/writing to 16K
352 * You can now optionally set the socket size for recv/send via memached_behavior_set/get.
353
354 0.5 Tue Oct 9 00:22:25 PDT 2007
355 * Ruby maintainer mentioned TCP_NODELAY patch he had added. Added this to C
356 library as well. (Eric Hodel drbrain@segment7.net)
357 * Added support script for set_benchmark
358 * Updated memslap to allow testing of TCP_NODELAY
359 * Updated memslap to support --flush (aka dump memcache servers before testing)
360 * Fixed bug in multiple hosts not being activated
361 * Added environmental variable MEMCACHED_SERVERS which can be used to set the servers list.
362 * fixed memcached_stat method (and now memstat works)
363 * server connect now happens on demand.
364 * Help for all command line applications
365
366 0.4 Wed Oct 3 10:28:50 PDT 2007
367 * Added buffered IO to write calls for keys
368 * Added buffered IO for reads
369 * memstat was broken (bad if/else on connect)
370 * New non-blocking IO (not default yet). Mucho faster
371 * Refactor of test system.
372 * memslap crash solved
373
374 0.3 Mon Oct 1 06:37:52 PDT 2007
375 * Jeff Fisher <guppy@techmonkeys.org> provided a spec file
376 * Added "make rpm" around dist file
377 * Added support for Solaris
378 * Added support for DTrace
379 * Fixed read to be recv and write to be send
380 * Bug fix where memstat would core if no server was found
381 * Added memslap tool (load generator)
382 * Numerous bug fixes in library
383 * Added calls to library for creating host lists (see text cases to understand how to use this).
384
385 0.2 Thu Sep 27 03:46:57 PDT 2007
386 * First public version
387