1 * Added support for by_key operations for inc/dec methods.
2 * Added mget test to memslap.
3 * Support for compatible ketama for SpyMemcached
4 * Update C++ interface.
7 0.34 Tue Oct 13 08:39:51 PDT 2009
8 * Added support for setting behavior flags on a connection pool.
9 * Don't increment server_failure_counter on normal disconnects.
10 * Added prototype for a callback based protocol parser (server side)
11 with examples so that you could let your own application speak the
13 * Updated memcapable to test ASCII protocol.
14 * Changed behavior so that server can be removed at first sign of failure.
15 * Added memcached_server_get_last_disconnect() call
17 0.33 Wed Sep 23 10:11:58 PDT 2009
18 * Added memcapable to test servers for binary compatibility.
19 * Updated C++ interface. Added basic support for C++ exceptions. Added
20 multiple constructors the memcached client object. The C++ interface
21 now takes parameters which are C++ types (such as std::string).
22 * Several bug fixes for binary protocol support.
23 * Fixed crashing issue with dumping from memcachd server (server internals
24 were changed without documenting change).
26 0.32 Tue Sep 15 15:49:09 PDT 2009
27 * Change of behavior where linger is only modified for no-block and then
29 * Added Twitter's memcached_server_error() functions.
30 * Fix for OSX compiles in development builds.
31 * Updated C++ interface.
32 * Updated memcached_mget and memcached_mget_by_key to take a size_t
33 as a parameter instead of an unsigned int for number_of_keys.
35 0.31 Fri Jul 10 09:02:50 PDT 2009
36 * Added support or HA via replication.
37 * malloc() removed for server key usage.
38 * Update build system.
39 * Added support for memcached_set_memory_allocators().
40 * Fixed bug in configure.ac for have_htoll.
42 0.30 Sun May 31 17:31:52 PDT 2009
43 * Added memcachd_dump command (and framework for memdump tool).
44 * Realigned all structures to remove padding (and line up important bits for 64bit caches.
45 * Remove some of sprintf() in storage calls().
46 * Removed printf() in stat call for unknown stat member.
47 * memcached_generate_hash() function added.
48 * Added tests to make sure all hash functions are stable.
50 0.29 Tue May 19 08:26:48 PDT 2009
51 * Fixed malloc usage to calloc for spots where we need zero filled memory.
52 * All code warnings now treated as errors.
53 * Fixes for debian packaging.
54 * Added new pooling mechanism.
55 * MEMCACHED_BEHAVIOR_NO_BLOCK no longer also sets MEMCACHED_BEHAVIOR_BUFFER_REQUESTS.
56 * Updated generic rpm.
58 0.28 Tue Apr 14 18:56:28 PDT 2009
59 * Fixed bug in init sructure (reapplied)
60 * Fixed bug in get/set by key (nikkhils@gmail.com)
62 0.27 Sun Mar 29 22:33:01 PDT 2009
63 * Added new UDP fire-forget mode.
64 * Reworked performance for mget() to better make use of async protocol
65 * Cleaned up execution of fetch (just one set of code now)
66 * Fixed Jenkin's for big endian hosts.
67 * Updates for memstat to determine network latency.
68 * Updates for binary protocol.
69 * Many updates to documentation.
71 0.26 Thu Jan 29 13:05:50 PST 2009
72 * Fix for decrement on hash key
73 * Fixed assert that was catching bad memset() call in host_reset()
74 * Fix purge issue for blocked IO which has been stacked.
76 0.25 Fri Nov 28 09:59:35 PST 2008
78 * Update of Murmur hash code
79 * Support explicit weights (Robey Pointer, Evan Weaver)
80 * Bugfix for ketama continuum (Robey Pointer)
81 * New behavior MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY (Robey Pointer)
82 * Don't ever call stats for weighting servers, because it is unstable.
84 0.24 Tue Sep 16 02:59:03 PDT 2008 (never released)
85 * Cleanup compile warnings.
86 * Fix issues in partitioning by keys.
87 * Fixed "fail case" to make sure when calling memcached_clone() no
88 memcached_st is over written.
89 * New memcached_server_by_key() method for finding a server from
91 * memcached_server_free() was added for freeing server structures.
94 0.23 Sun Sep 7 08:13:59 PDT 2008
95 * Added strings.h header for Solaris 9
97 * Support for weighted Ketama from Yin Chen.
99 * Fix for 0 length key to trigger bad key.
100 * Added behaviors MEMCACHED_BEHAVIOR_SND_TIMEOUT, MEMCACHED_BEHAVIOR_RCV_TIMEOUT
101 * Support for Binary Protocol added
103 0.22 Mon Jul 14 09:24:11 PDT 2008
104 * Fix where master key was no being checked for "bad key"
105 * Fixed bugs in stats output (thread output was wrong)
106 * Clarified MEMCACHED_BAD_KEY_PROVIDED is return for bad prefix key.
107 * Found a bug in Flags return (Jacek Ostrowski)
108 * Fixed issue with compiling on Visual Studio
110 0.21 Fri May 23 18:34:09 PDT 2008
111 * Change of char * to const char * for all key based functions.
112 * New MEMCACHED_CALLBACK_PREFIX_KEY added. You can now create domains for
114 * Fixed bug introducd in last version on memcp
115 * Fix for death of file io to call shutdown()
117 0.20 Mon May 5 08:34:26 PDT 2008
118 * New consistent distribution tests.
119 * Found a memory leak when a server constantly fails.
120 * Fix in watchpoint macro
121 * Changed default timeout to 1 second for poll timeouts
122 * Wheel uses less memory/dynamic allocation for size (no longer limited to
123 512 hosts by default.
124 * memslap memory leak fix
125 * Added Ketama distribution
126 * Fix assert.h compile problem on CentOS
128 0.19 Wed Apr 9 09:30:53 PDT 2008
129 * Documentation fix in libmemcached.
130 * Fixed bug where sort was always occuring on hosts
131 * Logic fix in branch prediction (thanks Jay!)
132 * Read through cached support.
133 * Fixed for cas by key operation.
134 * Fix for memcached_server_st list structures to have correct count.
135 * Added callback MEMCACHED_CALLBACK_DELETE_TRIGGER
136 * Removed function call in favor of macro (aka cut out some instructions)
139 0.18 Sun Mar 16 21:57:55 PDT 2008
140 * Fix plus tests for non-zero value objects and flags.
141 * MEMCACHED_HASH_MURMUR added for murmur algorithm provided.
142 * MEMCACHED_BEHAVIOR_RETRY_TIMEOUT added to keep connecting from looping
144 * gcc branch prediction optimizations
145 * Refactored entire tree to make include files cleaner
146 * Fixed leaked socket.
148 0.17 Wed Feb 27 03:33:29 PST 2008
149 * MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT added for connect timeout in
151 * Incompatible change in memcached_behavior_set() api. We now use a
152 uint64_t, instead of a pointer.
153 * Fix for storage of values for zero.
154 * memcached_server_cursor() function added to API for cycling through servers.
156 0.16 Mon Feb 18 00:30:25 PST 2008
157 * Work on the UDP protocol
158 * Added get_by_key, set_by_key tests for C++ API
159 * Fix for limit_maxbytes to be 64bit in stats
160 * Added Atom Smasher test (scale baby, scale!)
161 * Servers are now sorted, meaning that servers are now ordered so that
162 clients with the same lists, will have same distribution. (Idea from
163 Ross McFarland). MEMCACHED_BEHAVIOR_SORT_HOSTS was added to enable
165 * Added MEMCACHED_BAD_KEY_PROVIDED error for auto, set, and get operations.
166 MEMCACHED_BEHAVIOR_VERIFY_KEY was added to enable this feature.
167 * More error messages on command line tools.
168 * Fixed bugs in memcached_cas() operator.
169 * Fix to loop through interfaces
171 0.15 Tue Jan 29 14:55:44 PST 2008
172 * More work on the C++ API.
173 * Bug fixes around block corner cases.
174 * Slight performance increase in both read() and write().
176 0.14 Tue Jan 22 06:21:49 PST 2008
177 * For for bug found by Evan Weaver where increment() was not returning
178 propper error of value was not found.
179 * Fix for bad null pointer on flag by Toru Maesaka.
180 * Refactor of all IO to just pass in the active server
181 * Problem configuring (PKG_CHECK_MODULES) fixed by removal of "rpath" in
182 support/libmemcached.pc.in (Thanks to Ross McFarland).
183 * Added memcached_callback_get()/set()
184 * First prototype of C++ interface
185 * Updated docs for uint16_t changes in previous release
187 0.13 Sun Jan 13 06:51:50 PST 2008
188 * MEMCACHED_BEHAVIOR_USER_DATA added to store user pointer.
189 * Fix for failure to connect to invalidate socket.
190 * Patch from Marc Rossi to add --hash option for memcp, memrm, and memcat.
191 * Kevin's patch for fixing EOF issues during a read.
192 * Toru Maesaka patch for stats mismatch
193 * Fix for when CRC return 0
194 * Fixed uint16_t issues around flags. Turns out the documentation on the
196 * Lingering socket fixes for FreeBSD.
197 * Patches from Kevin Dalley for FreeBSD 4.0
198 * Added multi delete functions.
199 * All get key returns have C style null termination
200 * If memcached_server_list_append is passed NULLs instead of pointers it
202 * Added memcached_fetch_execute() method
203 * Found a bug where memcached_fetch() was not null terminating the result
205 * memcached_behavior() now has the ability to set "buffering" so that
206 data is not automatically flushed.
207 * Behavior change, buffered commands now return MEMCACHED_BUFFERED
209 0.12 Tue Dec 11 15:20:55 PST 2007
210 * Updates for consistent hashing
212 * Static allocation for hostname (performance)
213 * Fixed bug where in non-block mode all data might not have been sent on
215 * Refactor of memcached_get() to use common code.
216 * Change in value fetch, MEMCACHED_END is now returned when keys are no
218 * Fixed bug where key could be out of range of characters
219 * Added _by_key() methods to allow partitioning of values to particular
221 * MEMCACHED_DEFAILT_TIMEOUT is now set to a non -1 value.
222 * Performance improvements in get operations.
224 0.11 Mon Nov 26 01:05:52 PST 2007
225 * Added option to memcache_behavior_set() so that poll() can be timed out.
226 * Fixed memory leak in case of using memcached_fetch_result() where no
228 * Bug fixed in memcached_connect() which would cause servers that
229 did not need to be enabled to be enabled (performance issue).
230 * Rewrote bounds checking code for get calls.
231 * "make test" now starts its own memcached servers.
232 * Added Hseih hash (MEMCACHED_HASH_HSIEH), which is showing about 7%
233 performance over standard hash.
235 0.10 Tue Nov 20 23:22:31 PST 2007
236 * Added append binary test.
237 * Added MEMCACHED_BEHAVIOR_CACHE_LOOKUPS behavior so that you can save on
238 multiple DNS lookups.
239 * Added CAS support, though this is optional and must be enabled during
241 * Added the utility memerror to create human readable error strings
242 from memcached errors (aka convert ints to strings)
243 * Fixed type in MEMCACHED_HOST_LOOKUP_FAILURE
244 * Fixed bug where hostname might not be null terminated
245 * Moved to using gethostbyname_r() on Linux to solve thread safety issue
246 * Added -rpath support for pkg-config
247 * Documentation fix for hash setting using memcached_behavior_set()
249 0.9 Thu Nov 15 07:44:00 PST 2007
250 * fix for when no servers are definied.
251 * different buffers are now kept for different connections to
252 speed up async efforts
253 * Modified increment/decrement functions to return uint64_t values
254 * Fixed bug in cases where zero length keys were provided
255 * Thread cleanup issue in memslap
256 * No hostname lookup on reconnect
257 * Fix for flag settings (was doing hex by accident!)
258 * Support for 1.2.4 server additions "prepend" and "append" added.
259 * Added memcached_version()... not sure if I will make this public
262 0.8 Mon Nov 5 10:40:41 PST 2007
263 * Adding support for CRC hash method
264 * Adding support for UNIX sockets
265 * Added additional HASHing methods of FNV1_64,FNV1A_64, FNV1_32, FNV1A_32
266 * Added pkgconfig support (PKG_CHECK_MODULES)
267 * Fixed conflict with defined type in MySQL
268 * Added memcached_result_st structure and functions to manipulate it.
270 0.7 Tue Oct 30 09:24:05 PDT 2007
271 * Poved to poll() from select()
272 * Fixes in internal string class for allocation of large numbers of
274 * memcached_mget() function now sends keys as it parses them instead of
275 building strings as it goes.
276 * Propper flush now for making sure we get all IO sent even when in
278 * Added --enable-debug rule for configure
279 * All asserts() removed (hey this is going into production!)
282 0.6 Wed Oct 17 08:41:35 PDT 2007
283 * get value returns are now null terminated (request by Cal Heldenbrand)
284 * Fixed connections for more hosts then two.
285 * Rewrite of the read/write IO systems to handle different sorts of host
287 * Added man pages for all functions and tools
288 * Raised buffer size for readinng/writing to 16K
289 * You can now optionally set the socket size for recv/send via
290 memached_behavior_set/get.
292 0.5 Tue Oct 9 00:22:25 PDT 2007
293 * Ruby maintainer mentioned TCP_NODELAY patch he had added. Added this to C
294 library as well. (Eric Hodel drbrain@segment7.net)
295 * Added support script for set_benchmark
296 * Updated memslap to allow testing of TCP_NODELAY
297 * Updated memslap to support --flush (aka dump memcache servers before
299 * Fixed bug in multiple hosts not being activated
300 * Added environmental variable MEMCACHED_SERVERS which can be used to
301 set the servers list.
302 * fixed memcached_stat method (and now memstat works)
303 * server connect now happens on demand.
304 * Help for all command line applications
306 0.4 Wed Oct 3 10:28:50 PDT 2007
307 * Added buffered IO to write calls for keys
308 * Added buffered IO for reads
309 * memstat was broken (bad if/else on connect)
310 * New non-blocking IO (not default yet). Mucho faster
311 * Refactor of test system.
312 * memslap crash solved
314 0.3 Mon Oct 1 06:37:52 PDT 2007
315 * Jeff Fisher <guppy@techmonkeys.org> provided a spec file
316 * Added "make rpm" around dist file
317 * Added support for Solaris
318 * Added support for DTrace
319 * Fixed read to be recv and write to be send
320 * Bug fix where memstat would core if no server was found
321 * Added memslap tool (load generator)
322 * Numerous bug fixes in library
323 * Added calls to library for creating host lists (see
324 text cases to understand how to use this).
326 0.2 Thu Sep 27 03:46:57 PDT 2007
327 * First public version
projects / awesomized / libmemcached / blob