1 * We removed the MEMCACHED_BEHAVIOR_KETAMA_COMPAT_MODE added in 0.35. Instead use
2 memcached_behavior_set_distribution().
4 0.35 Mon Nov 9 11:18:33 PST 2009
5 * Added support for by_key operations for inc/dec methods.
6 * Added mget test to memslap.
7 * Support for compatible ketama for SpyMemcached
8 * Update C++ interface.
11 0.34 Tue Oct 13 08:39:51 PDT 2009
12 * Added support for setting behavior flags on a connection pool.
13 * Don't increment server_failure_counter on normal disconnects.
14 * Added prototype for a callback based protocol parser (server side)
15 with examples so that you could let your own application speak the
17 * Updated memcapable to test ASCII protocol.
18 * Changed behavior so that server can be removed at first sign of failure.
19 * Added memcached_server_get_last_disconnect() call
21 0.33 Wed Sep 23 10:11:58 PDT 2009
22 * Added memcapable to test servers for binary compatibility.
23 * Updated C++ interface. Added basic support for C++ exceptions. Added
24 multiple constructors the memcached client object. The C++ interface
25 now takes parameters which are C++ types (such as std::string).
26 * Several bug fixes for binary protocol support.
27 * Fixed crashing issue with dumping from memcachd server (server internals
28 were changed without documenting change).
30 0.32 Tue Sep 15 15:49:09 PDT 2009
31 * Change of behavior where linger is only modified for no-block and then
33 * Added Twitter's memcached_server_error() functions.
34 * Fix for OSX compiles in development builds.
35 * Updated C++ interface.
36 * Updated memcached_mget and memcached_mget_by_key to take a size_t
37 as a parameter instead of an unsigned int for number_of_keys.
39 0.31 Fri Jul 10 09:02:50 PDT 2009
40 * Added support or HA via replication.
41 * malloc() removed for server key usage.
42 * Update build system.
43 * Added support for memcached_set_memory_allocators().
44 * Fixed bug in configure.ac for have_htoll.
46 0.30 Sun May 31 17:31:52 PDT 2009
47 * Added memcachd_dump command (and framework for memdump tool).
48 * Realigned all structures to remove padding (and line up important bits for 64bit caches.
49 * Remove some of sprintf() in storage calls().
50 * Removed printf() in stat call for unknown stat member.
51 * memcached_generate_hash() function added.
52 * Added tests to make sure all hash functions are stable.
54 0.29 Tue May 19 08:26:48 PDT 2009
55 * Fixed malloc usage to calloc for spots where we need zero filled memory.
56 * All code warnings now treated as errors.
57 * Fixes for debian packaging.
58 * Added new pooling mechanism.
59 * MEMCACHED_BEHAVIOR_NO_BLOCK no longer also sets MEMCACHED_BEHAVIOR_BUFFER_REQUESTS.
60 * Updated generic rpm.
62 0.28 Tue Apr 14 18:56:28 PDT 2009
63 * Fixed bug in init sructure (reapplied)
64 * Fixed bug in get/set by key (nikkhils@gmail.com)
66 0.27 Sun Mar 29 22:33:01 PDT 2009
67 * Added new UDP fire-forget mode.
68 * Reworked performance for mget() to better make use of async protocol
69 * Cleaned up execution of fetch (just one set of code now)
70 * Fixed Jenkin's for big endian hosts.
71 * Updates for memstat to determine network latency.
72 * Updates for binary protocol.
73 * Many updates to documentation.
75 0.26 Thu Jan 29 13:05:50 PST 2009
76 * Fix for decrement on hash key
77 * Fixed assert that was catching bad memset() call in host_reset()
78 * Fix purge issue for blocked IO which has been stacked.
80 0.25 Fri Nov 28 09:59:35 PST 2008
82 * Update of Murmur hash code
83 * Support explicit weights (Robey Pointer, Evan Weaver)
84 * Bugfix for ketama continuum (Robey Pointer)
85 * New behavior MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY (Robey Pointer)
86 * Don't ever call stats for weighting servers, because it is unstable.
88 0.24 Tue Sep 16 02:59:03 PDT 2008 (never released)
89 * Cleanup compile warnings.
90 * Fix issues in partitioning by keys.
91 * Fixed "fail case" to make sure when calling memcached_clone() no
92 memcached_st is over written.
93 * New memcached_server_by_key() method for finding a server from
95 * memcached_server_free() was added for freeing server structures.
98 0.23 Sun Sep 7 08:13:59 PDT 2008
99 * Added strings.h header for Solaris 9
101 * Support for weighted Ketama from Yin Chen.
103 * Fix for 0 length key to trigger bad key.
104 * Added behaviors MEMCACHED_BEHAVIOR_SND_TIMEOUT, MEMCACHED_BEHAVIOR_RCV_TIMEOUT
105 * Support for Binary Protocol added
107 0.22 Mon Jul 14 09:24:11 PDT 2008
108 * Fix where master key was no being checked for "bad key"
109 * Fixed bugs in stats output (thread output was wrong)
110 * Clarified MEMCACHED_BAD_KEY_PROVIDED is return for bad prefix key.
111 * Found a bug in Flags return (Jacek Ostrowski)
112 * Fixed issue with compiling on Visual Studio
114 0.21 Fri May 23 18:34:09 PDT 2008
115 * Change of char * to const char * for all key based functions.
116 * New MEMCACHED_CALLBACK_PREFIX_KEY added. You can now create domains for
118 * Fixed bug introducd in last version on memcp
119 * Fix for death of file io to call shutdown()
121 0.20 Mon May 5 08:34:26 PDT 2008
122 * New consistent distribution tests.
123 * Found a memory leak when a server constantly fails.
124 * Fix in watchpoint macro
125 * Changed default timeout to 1 second for poll timeouts
126 * Wheel uses less memory/dynamic allocation for size (no longer limited to
127 512 hosts by default.
128 * memslap memory leak fix
129 * Added Ketama distribution
130 * Fix assert.h compile problem on CentOS
132 0.19 Wed Apr 9 09:30:53 PDT 2008
133 * Documentation fix in libmemcached.
134 * Fixed bug where sort was always occuring on hosts
135 * Logic fix in branch prediction (thanks Jay!)
136 * Read through cached support.
137 * Fixed for cas by key operation.
138 * Fix for memcached_server_st list structures to have correct count.
139 * Added callback MEMCACHED_CALLBACK_DELETE_TRIGGER
140 * Removed function call in favor of macro (aka cut out some instructions)
143 0.18 Sun Mar 16 21:57:55 PDT 2008
144 * Fix plus tests for non-zero value objects and flags.
145 * MEMCACHED_HASH_MURMUR added for murmur algorithm provided.
146 * MEMCACHED_BEHAVIOR_RETRY_TIMEOUT added to keep connecting from looping
148 * gcc branch prediction optimizations
149 * Refactored entire tree to make include files cleaner
150 * Fixed leaked socket.
152 0.17 Wed Feb 27 03:33:29 PST 2008
153 * MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT added for connect timeout in
155 * Incompatible change in memcached_behavior_set() api. We now use a
156 uint64_t, instead of a pointer.
157 * Fix for storage of values for zero.
158 * memcached_server_cursor() function added to API for cycling through servers.
160 0.16 Mon Feb 18 00:30:25 PST 2008
161 * Work on the UDP protocol
162 * Added get_by_key, set_by_key tests for C++ API
163 * Fix for limit_maxbytes to be 64bit in stats
164 * Added Atom Smasher test (scale baby, scale!)
165 * Servers are now sorted, meaning that servers are now ordered so that
166 clients with the same lists, will have same distribution. (Idea from
167 Ross McFarland). MEMCACHED_BEHAVIOR_SORT_HOSTS was added to enable
169 * Added MEMCACHED_BAD_KEY_PROVIDED error for auto, set, and get operations.
170 MEMCACHED_BEHAVIOR_VERIFY_KEY was added to enable this feature.
171 * More error messages on command line tools.
172 * Fixed bugs in memcached_cas() operator.
173 * Fix to loop through interfaces
175 0.15 Tue Jan 29 14:55:44 PST 2008
176 * More work on the C++ API.
177 * Bug fixes around block corner cases.
178 * Slight performance increase in both read() and write().
180 0.14 Tue Jan 22 06:21:49 PST 2008
181 * For for bug found by Evan Weaver where increment() was not returning
182 propper error of value was not found.
183 * Fix for bad null pointer on flag by Toru Maesaka.
184 * Refactor of all IO to just pass in the active server
185 * Problem configuring (PKG_CHECK_MODULES) fixed by removal of "rpath" in
186 support/libmemcached.pc.in (Thanks to Ross McFarland).
187 * Added memcached_callback_get()/set()
188 * First prototype of C++ interface
189 * Updated docs for uint16_t changes in previous release
191 0.13 Sun Jan 13 06:51:50 PST 2008
192 * MEMCACHED_BEHAVIOR_USER_DATA added to store user pointer.
193 * Fix for failure to connect to invalidate socket.
194 * Patch from Marc Rossi to add --hash option for memcp, memrm, and memcat.
195 * Kevin's patch for fixing EOF issues during a read.
196 * Toru Maesaka patch for stats mismatch
197 * Fix for when CRC return 0
198 * Fixed uint16_t issues around flags. Turns out the documentation on the
200 * Lingering socket fixes for FreeBSD.
201 * Patches from Kevin Dalley for FreeBSD 4.0
202 * Added multi delete functions.
203 * All get key returns have C style null termination
204 * If memcached_server_list_append is passed NULLs instead of pointers it
206 * Added memcached_fetch_execute() method
207 * Found a bug where memcached_fetch() was not null terminating the result
209 * memcached_behavior() now has the ability to set "buffering" so that
210 data is not automatically flushed.
211 * Behavior change, buffered commands now return MEMCACHED_BUFFERED
213 0.12 Tue Dec 11 15:20:55 PST 2007
214 * Updates for consistent hashing
216 * Static allocation for hostname (performance)
217 * Fixed bug where in non-block mode all data might not have been sent on
219 * Refactor of memcached_get() to use common code.
220 * Change in value fetch, MEMCACHED_END is now returned when keys are no
222 * Fixed bug where key could be out of range of characters
223 * Added _by_key() methods to allow partitioning of values to particular
225 * MEMCACHED_DEFAILT_TIMEOUT is now set to a non -1 value.
226 * Performance improvements in get operations.
228 0.11 Mon Nov 26 01:05:52 PST 2007
229 * Added option to memcache_behavior_set() so that poll() can be timed out.
230 * Fixed memory leak in case of using memcached_fetch_result() where no
232 * Bug fixed in memcached_connect() which would cause servers that
233 did not need to be enabled to be enabled (performance issue).
234 * Rewrote bounds checking code for get calls.
235 * "make test" now starts its own memcached servers.
236 * Added Hseih hash (MEMCACHED_HASH_HSIEH), which is showing about 7%
237 performance over standard hash.
239 0.10 Tue Nov 20 23:22:31 PST 2007
240 * Added append binary test.
241 * Added MEMCACHED_BEHAVIOR_CACHE_LOOKUPS behavior so that you can save on
242 multiple DNS lookups.
243 * Added CAS support, though this is optional and must be enabled during
245 * Added the utility memerror to create human readable error strings
246 from memcached errors (aka convert ints to strings)
247 * Fixed type in MEMCACHED_HOST_LOOKUP_FAILURE
248 * Fixed bug where hostname might not be null terminated
249 * Moved to using gethostbyname_r() on Linux to solve thread safety issue
250 * Added -rpath support for pkg-config
251 * Documentation fix for hash setting using memcached_behavior_set()
253 0.9 Thu Nov 15 07:44:00 PST 2007
254 * fix for when no servers are definied.
255 * different buffers are now kept for different connections to
256 speed up async efforts
257 * Modified increment/decrement functions to return uint64_t values
258 * Fixed bug in cases where zero length keys were provided
259 * Thread cleanup issue in memslap
260 * No hostname lookup on reconnect
261 * Fix for flag settings (was doing hex by accident!)
262 * Support for 1.2.4 server additions "prepend" and "append" added.
263 * Added memcached_version()... not sure if I will make this public
266 0.8 Mon Nov 5 10:40:41 PST 2007
267 * Adding support for CRC hash method
268 * Adding support for UNIX sockets
269 * Added additional HASHing methods of FNV1_64,FNV1A_64, FNV1_32, FNV1A_32
270 * Added pkgconfig support (PKG_CHECK_MODULES)
271 * Fixed conflict with defined type in MySQL
272 * Added memcached_result_st structure and functions to manipulate it.
274 0.7 Tue Oct 30 09:24:05 PDT 2007
275 * Poved to poll() from select()
276 * Fixes in internal string class for allocation of large numbers of
278 * memcached_mget() function now sends keys as it parses them instead of
279 building strings as it goes.
280 * Propper flush now for making sure we get all IO sent even when in
282 * Added --enable-debug rule for configure
283 * All asserts() removed (hey this is going into production!)
286 0.6 Wed Oct 17 08:41:35 PDT 2007
287 * get value returns are now null terminated (request by Cal Heldenbrand)
288 * Fixed connections for more hosts then two.
289 * Rewrite of the read/write IO systems to handle different sorts of host
291 * Added man pages for all functions and tools
292 * Raised buffer size for readinng/writing to 16K
293 * You can now optionally set the socket size for recv/send via
294 memached_behavior_set/get.
296 0.5 Tue Oct 9 00:22:25 PDT 2007
297 * Ruby maintainer mentioned TCP_NODELAY patch he had added. Added this to C
298 library as well. (Eric Hodel drbrain@segment7.net)
299 * Added support script for set_benchmark
300 * Updated memslap to allow testing of TCP_NODELAY
301 * Updated memslap to support --flush (aka dump memcache servers before
303 * Fixed bug in multiple hosts not being activated
304 * Added environmental variable MEMCACHED_SERVERS which can be used to
305 set the servers list.
306 * fixed memcached_stat method (and now memstat works)
307 * server connect now happens on demand.
308 * Help for all command line applications
310 0.4 Wed Oct 3 10:28:50 PDT 2007
311 * Added buffered IO to write calls for keys
312 * Added buffered IO for reads
313 * memstat was broken (bad if/else on connect)
314 * New non-blocking IO (not default yet). Mucho faster
315 * Refactor of test system.
316 * memslap crash solved
318 0.3 Mon Oct 1 06:37:52 PDT 2007
319 * Jeff Fisher <guppy@techmonkeys.org> provided a spec file
320 * Added "make rpm" around dist file
321 * Added support for Solaris
322 * Added support for DTrace
323 * Fixed read to be recv and write to be send
324 * Bug fix where memstat would core if no server was found
325 * Added memslap tool (load generator)
326 * Numerous bug fixes in library
327 * Added calls to library for creating host lists (see
328 text cases to understand how to use this).
330 0.2 Thu Sep 27 03:46:57 PDT 2007
331 * First public version
projects / awesomized / libmemcached / blob