1 * Support for compatible ketama for SpyMemcached
2 * Update C++ interface.
5 0.34 Tue Oct 13 08:39:51 PDT 2009
6 * Added support for setting behavior flags on a connection pool.
7 * Don't increment server_failure_counter on normal disconnects.
8 * Added prototype for a callback based protocol parser (server side)
9 with examples so that you could let your own application speak the
11 * Updated memcapable to test ASCII protocol.
12 * Changed behavior so that server can be removed at first sign of failure.
13 * Added memcached_server_get_last_disconnect() call
15 0.33 Wed Sep 23 10:11:58 PDT 2009
16 * Added memcapable to test servers for binary compatibility.
17 * Updated C++ interface. Added basic support for C++ exceptions. Added
18 multiple constructors the memcached client object. The C++ interface
19 now takes parameters which are C++ types (such as std::string).
20 * Several bug fixes for binary protocol support.
21 * Fixed crashing issue with dumping from memcachd server (server internals
22 were changed without documenting change).
24 0.32 Tue Sep 15 15:49:09 PDT 2009
25 * Change of behavior where linger is only modified for no-block and then
27 * Added Twitter's memcached_server_error() functions.
28 * Fix for OSX compiles in development builds.
29 * Updated C++ interface.
30 * Updated memcached_mget and memcached_mget_by_key to take a size_t
31 as a parameter instead of an unsigned int for number_of_keys.
33 0.31 Fri Jul 10 09:02:50 PDT 2009
34 * Added support or HA via replication.
35 * malloc() removed for server key usage.
36 * Update build system.
37 * Added support for memcached_set_memory_allocators().
38 * Fixed bug in configure.ac for have_htoll.
40 0.30 Sun May 31 17:31:52 PDT 2009
41 * Added memcachd_dump command (and framework for memdump tool).
42 * Realigned all structures to remove padding (and line up important bits for 64bit caches.
43 * Remove some of sprintf() in storage calls().
44 * Removed printf() in stat call for unknown stat member.
45 * memcached_generate_hash() function added.
46 * Added tests to make sure all hash functions are stable.
48 0.29 Tue May 19 08:26:48 PDT 2009
49 * Fixed malloc usage to calloc for spots where we need zero filled memory.
50 * All code warnings now treated as errors.
51 * Fixes for debian packaging.
52 * Added new pooling mechanism.
53 * MEMCACHED_BEHAVIOR_NO_BLOCK no longer also sets MEMCACHED_BEHAVIOR_BUFFER_REQUESTS.
54 * Updated generic rpm.
56 0.28 Tue Apr 14 18:56:28 PDT 2009
57 * Fixed bug in init sructure (reapplied)
58 * Fixed bug in get/set by key (nikkhils@gmail.com)
60 0.27 Sun Mar 29 22:33:01 PDT 2009
61 * Added new UDP fire-forget mode.
62 * Reworked performance for mget() to better make use of async protocol
63 * Cleaned up execution of fetch (just one set of code now)
64 * Fixed Jenkin's for big endian hosts.
65 * Updates for memstat to determine network latency.
66 * Updates for binary protocol.
67 * Many updates to documentation.
69 0.26 Thu Jan 29 13:05:50 PST 2009
70 * Fix for decrement on hash key
71 * Fixed assert that was catching bad memset() call in host_reset()
72 * Fix purge issue for blocked IO which has been stacked.
74 0.25 Fri Nov 28 09:59:35 PST 2008
76 * Update of Murmur hash code
77 * Support explicit weights (Robey Pointer, Evan Weaver)
78 * Bugfix for ketama continuum (Robey Pointer)
79 * New behavior MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY (Robey Pointer)
80 * Don't ever call stats for weighting servers, because it is unstable.
82 0.24 Tue Sep 16 02:59:03 PDT 2008 (never released)
83 * Cleanup compile warnings.
84 * Fix issues in partitioning by keys.
85 * Fixed "fail case" to make sure when calling memcached_clone() no
86 memcached_st is over written.
87 * New memcached_server_by_key() method for finding a server from
89 * memcached_server_free() was added for freeing server structures.
92 0.23 Sun Sep 7 08:13:59 PDT 2008
93 * Added strings.h header for Solaris 9
95 * Support for weighted Ketama from Yin Chen.
97 * Fix for 0 length key to trigger bad key.
98 * Added behaviors MEMCACHED_BEHAVIOR_SND_TIMEOUT, MEMCACHED_BEHAVIOR_RCV_TIMEOUT
99 * Support for Binary Protocol added
101 0.22 Mon Jul 14 09:24:11 PDT 2008
102 * Fix where master key was no being checked for "bad key"
103 * Fixed bugs in stats output (thread output was wrong)
104 * Clarified MEMCACHED_BAD_KEY_PROVIDED is return for bad prefix key.
105 * Found a bug in Flags return (Jacek Ostrowski)
106 * Fixed issue with compiling on Visual Studio
108 0.21 Fri May 23 18:34:09 PDT 2008
109 * Change of char * to const char * for all key based functions.
110 * New MEMCACHED_CALLBACK_PREFIX_KEY added. You can now create domains for
112 * Fixed bug introducd in last version on memcp
113 * Fix for death of file io to call shutdown()
115 0.20 Mon May 5 08:34:26 PDT 2008
116 * New consistent distribution tests.
117 * Found a memory leak when a server constantly fails.
118 * Fix in watchpoint macro
119 * Changed default timeout to 1 second for poll timeouts
120 * Wheel uses less memory/dynamic allocation for size (no longer limited to
121 512 hosts by default.
122 * memslap memory leak fix
123 * Added Ketama distribution
124 * Fix assert.h compile problem on CentOS
126 0.19 Wed Apr 9 09:30:53 PDT 2008
127 * Documentation fix in libmemcached.
128 * Fixed bug where sort was always occuring on hosts
129 * Logic fix in branch prediction (thanks Jay!)
130 * Read through cached support.
131 * Fixed for cas by key operation.
132 * Fix for memcached_server_st list structures to have correct count.
133 * Added callback MEMCACHED_CALLBACK_DELETE_TRIGGER
134 * Removed function call in favor of macro (aka cut out some instructions)
137 0.18 Sun Mar 16 21:57:55 PDT 2008
138 * Fix plus tests for non-zero value objects and flags.
139 * MEMCACHED_HASH_MURMUR added for murmur algorithm provided.
140 * MEMCACHED_BEHAVIOR_RETRY_TIMEOUT added to keep connecting from looping
142 * gcc branch prediction optimizations
143 * Refactored entire tree to make include files cleaner
144 * Fixed leaked socket.
146 0.17 Wed Feb 27 03:33:29 PST 2008
147 * MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT added for connect timeout in
149 * Incompatible change in memcached_behavior_set() api. We now use a
150 uint64_t, instead of a pointer.
151 * Fix for storage of values for zero.
152 * memcached_server_cursor() function added to API for cycling through servers.
154 0.16 Mon Feb 18 00:30:25 PST 2008
155 * Work on the UDP protocol
156 * Added get_by_key, set_by_key tests for C++ API
157 * Fix for limit_maxbytes to be 64bit in stats
158 * Added Atom Smasher test (scale baby, scale!)
159 * Servers are now sorted, meaning that servers are now ordered so that
160 clients with the same lists, will have same distribution. (Idea from
161 Ross McFarland). MEMCACHED_BEHAVIOR_SORT_HOSTS was added to enable
163 * Added MEMCACHED_BAD_KEY_PROVIDED error for auto, set, and get operations.
164 MEMCACHED_BEHAVIOR_VERIFY_KEY was added to enable this feature.
165 * More error messages on command line tools.
166 * Fixed bugs in memcached_cas() operator.
167 * Fix to loop through interfaces
169 0.15 Tue Jan 29 14:55:44 PST 2008
170 * More work on the C++ API.
171 * Bug fixes around block corner cases.
172 * Slight performance increase in both read() and write().
174 0.14 Tue Jan 22 06:21:49 PST 2008
175 * For for bug found by Evan Weaver where increment() was not returning
176 propper error of value was not found.
177 * Fix for bad null pointer on flag by Toru Maesaka.
178 * Refactor of all IO to just pass in the active server
179 * Problem configuring (PKG_CHECK_MODULES) fixed by removal of "rpath" in
180 support/libmemcached.pc.in (Thanks to Ross McFarland).
181 * Added memcached_callback_get()/set()
182 * First prototype of C++ interface
183 * Updated docs for uint16_t changes in previous release
185 0.13 Sun Jan 13 06:51:50 PST 2008
186 * MEMCACHED_BEHAVIOR_USER_DATA added to store user pointer.
187 * Fix for failure to connect to invalidate socket.
188 * Patch from Marc Rossi to add --hash option for memcp, memrm, and memcat.
189 * Kevin's patch for fixing EOF issues during a read.
190 * Toru Maesaka patch for stats mismatch
191 * Fix for when CRC return 0
192 * Fixed uint16_t issues around flags. Turns out the documentation on the
194 * Lingering socket fixes for FreeBSD.
195 * Patches from Kevin Dalley for FreeBSD 4.0
196 * Added multi delete functions.
197 * All get key returns have C style null termination
198 * If memcached_server_list_append is passed NULLs instead of pointers it
200 * Added memcached_fetch_execute() method
201 * Found a bug where memcached_fetch() was not null terminating the result
203 * memcached_behavior() now has the ability to set "buffering" so that
204 data is not automatically flushed.
205 * Behavior change, buffered commands now return MEMCACHED_BUFFERED
207 0.12 Tue Dec 11 15:20:55 PST 2007
208 * Updates for consistent hashing
210 * Static allocation for hostname (performance)
211 * Fixed bug where in non-block mode all data might not have been sent on
213 * Refactor of memcached_get() to use common code.
214 * Change in value fetch, MEMCACHED_END is now returned when keys are no
216 * Fixed bug where key could be out of range of characters
217 * Added _by_key() methods to allow partitioning of values to particular
219 * MEMCACHED_DEFAILT_TIMEOUT is now set to a non -1 value.
220 * Performance improvements in get operations.
222 0.11 Mon Nov 26 01:05:52 PST 2007
223 * Added option to memcache_behavior_set() so that poll() can be timed out.
224 * Fixed memory leak in case of using memcached_fetch_result() where no
226 * Bug fixed in memcached_connect() which would cause servers that
227 did not need to be enabled to be enabled (performance issue).
228 * Rewrote bounds checking code for get calls.
229 * "make test" now starts its own memcached servers.
230 * Added Hseih hash (MEMCACHED_HASH_HSIEH), which is showing about 7%
231 performance over standard hash.
233 0.10 Tue Nov 20 23:22:31 PST 2007
234 * Added append binary test.
235 * Added MEMCACHED_BEHAVIOR_CACHE_LOOKUPS behavior so that you can save on
236 multiple DNS lookups.
237 * Added CAS support, though this is optional and must be enabled during
239 * Added the utility memerror to create human readable error strings
240 from memcached errors (aka convert ints to strings)
241 * Fixed type in MEMCACHED_HOST_LOOKUP_FAILURE
242 * Fixed bug where hostname might not be null terminated
243 * Moved to using gethostbyname_r() on Linux to solve thread safety issue
244 * Added -rpath support for pkg-config
245 * Documentation fix for hash setting using memcached_behavior_set()
247 0.9 Thu Nov 15 07:44:00 PST 2007
248 * fix for when no servers are definied.
249 * different buffers are now kept for different connections to
250 speed up async efforts
251 * Modified increment/decrement functions to return uint64_t values
252 * Fixed bug in cases where zero length keys were provided
253 * Thread cleanup issue in memslap
254 * No hostname lookup on reconnect
255 * Fix for flag settings (was doing hex by accident!)
256 * Support for 1.2.4 server additions "prepend" and "append" added.
257 * Added memcached_version()... not sure if I will make this public
260 0.8 Mon Nov 5 10:40:41 PST 2007
261 * Adding support for CRC hash method
262 * Adding support for UNIX sockets
263 * Added additional HASHing methods of FNV1_64,FNV1A_64, FNV1_32, FNV1A_32
264 * Added pkgconfig support (PKG_CHECK_MODULES)
265 * Fixed conflict with defined type in MySQL
266 * Added memcached_result_st structure and functions to manipulate it.
268 0.7 Tue Oct 30 09:24:05 PDT 2007
269 * Poved to poll() from select()
270 * Fixes in internal string class for allocation of large numbers of
272 * memcached_mget() function now sends keys as it parses them instead of
273 building strings as it goes.
274 * Propper flush now for making sure we get all IO sent even when in
276 * Added --enable-debug rule for configure
277 * All asserts() removed (hey this is going into production!)
280 0.6 Wed Oct 17 08:41:35 PDT 2007
281 * get value returns are now null terminated (request by Cal Heldenbrand)
282 * Fixed connections for more hosts then two.
283 * Rewrite of the read/write IO systems to handle different sorts of host
285 * Added man pages for all functions and tools
286 * Raised buffer size for readinng/writing to 16K
287 * You can now optionally set the socket size for recv/send via
288 memached_behavior_set/get.
290 0.5 Tue Oct 9 00:22:25 PDT 2007
291 * Ruby maintainer mentioned TCP_NODELAY patch he had added. Added this to C
292 library as well. (Eric Hodel drbrain@segment7.net)
293 * Added support script for set_benchmark
294 * Updated memslap to allow testing of TCP_NODELAY
295 * Updated memslap to support --flush (aka dump memcache servers before
297 * Fixed bug in multiple hosts not being activated
298 * Added environmental variable MEMCACHED_SERVERS which can be used to
299 set the servers list.
300 * fixed memcached_stat method (and now memstat works)
301 * server connect now happens on demand.
302 * Help for all command line applications
304 0.4 Wed Oct 3 10:28:50 PDT 2007
305 * Added buffered IO to write calls for keys
306 * Added buffered IO for reads
307 * memstat was broken (bad if/else on connect)
308 * New non-blocking IO (not default yet). Mucho faster
309 * Refactor of test system.
310 * memslap crash solved
312 0.3 Mon Oct 1 06:37:52 PDT 2007
313 * Jeff Fisher <guppy@techmonkeys.org> provided a spec file
314 * Added "make rpm" around dist file
315 * Added support for Solaris
316 * Added support for DTrace
317 * Fixed read to be recv and write to be send
318 * Bug fix where memstat would core if no server was found
319 * Added memslap tool (load generator)
320 * Numerous bug fixes in library
321 * Added calls to library for creating host lists (see
322 text cases to understand how to use this).
324 0.2 Thu Sep 27 03:46:57 PDT 2007
325 * First public version
projects / awesomized / libmemcached / blob