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