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