1 0.34 Tue Oct 13 08:39:51 PDT 2009
2 * Added support for setting behavior flags on a connection pool.
3 * Don't increment server_failure_counter on normal disconnects.
4 * Added prototype for a callback based protocol parser (server side)
5 with examples so that you could let your own application speak the
7 * Updated memcapable to test ASCII protocol.
8 * Changed behavior so that server can be removed at first sign of failure.
9 * Added memcached_server_get_last_disconnect() call
11 0.33 Wed Sep 23 10:11:58 PDT 2009
12 * Added memcapable to test servers for binary compatibility.
13 * Updated C++ interface. Added basic support for C++ exceptions. Added
14 multiple constructors the memcached client object. The C++ interface
15 now takes parameters which are C++ types (such as std::string).
16 * Several bug fixes for binary protocol support.
17 * Fixed crashing issue with dumping from memcachd server (server internals
18 were changed without documenting change).
20 0.32 Tue Sep 15 15:49:09 PDT 2009
21 * Change of behavior where linger is only modified for no-block and then
23 * Added Twitter's memcached_server_error() functions.
24 * Fix for OSX compiles in development builds.
25 * Updated C++ interface.
26 * Updated memcached_mget and memcached_mget_by_key to take a size_t
27 as a parameter instead of an unsigned int for number_of_keys.
29 0.31 Fri Jul 10 09:02:50 PDT 2009
30 * Added support or HA via replication.
31 * malloc() removed for server key usage.
32 * Update build system.
33 * Added support for memcached_set_memory_allocators().
34 * Fixed bug in configure.ac for have_htoll.
36 0.30 Sun May 31 17:31:52 PDT 2009
37 * Added memcachd_dump command (and framework for memdump tool).
38 * Realigned all structures to remove padding (and line up important bits for 64bit caches.
39 * Remove some of sprintf() in storage calls().
40 * Removed printf() in stat call for unknown stat member.
41 * memcached_generate_hash() function added.
42 * Added tests to make sure all hash functions are stable.
44 0.29 Tue May 19 08:26:48 PDT 2009
45 * Fixed malloc usage to calloc for spots where we need zero filled memory.
46 * All code warnings now treated as errors.
47 * Fixes for debian packaging.
48 * Added new pooling mechanism.
49 * MEMCACHED_BEHAVIOR_NO_BLOCK no longer also sets MEMCACHED_BEHAVIOR_BUFFER_REQUESTS.
50 * Updated generic rpm.
52 0.28 Tue Apr 14 18:56:28 PDT 2009
53 * Fixed bug in init sructure (reapplied)
54 * Fixed bug in get/set by key (nikkhils@gmail.com)
56 0.27 Sun Mar 29 22:33:01 PDT 2009
57 * Added new UDP fire-forget mode.
58 * Reworked performance for mget() to better make use of async protocol
59 * Cleaned up execution of fetch (just one set of code now)
60 * Fixed Jenkin's for big endian hosts.
61 * Updates for memstat to determine network latency.
62 * Updates for binary protocol.
63 * Many updates to documentation.
65 0.26 Thu Jan 29 13:05:50 PST 2009
66 * Fix for decrement on hash key
67 * Fixed assert that was catching bad memset() call in host_reset()
68 * Fix purge issue for blocked IO which has been stacked.
70 0.25 Fri Nov 28 09:59:35 PST 2008
72 * Update of Murmur hash code
73 * Support explicit weights (Robey Pointer, Evan Weaver)
74 * Bugfix for ketama continuum (Robey Pointer)
75 * New behavior MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY (Robey Pointer)
76 * Don't ever call stats for weighting servers, because it is unstable.
78 0.24 Tue Sep 16 02:59:03 PDT 2008 (never released)
79 * Cleanup compile warnings.
80 * Fix issues in partitioning by keys.
81 * Fixed "fail case" to make sure when calling memcached_clone() no
82 memcached_st is over written.
83 * New memcached_server_by_key() method for finding a server from
85 * memcached_server_free() was added for freeing server structures.
88 0.23 Sun Sep 7 08:13:59 PDT 2008
89 * Added strings.h header for Solaris 9
91 * Support for weighted Ketama from Yin Chen.
93 * Fix for 0 length key to trigger bad key.
94 * Added behaviors MEMCACHED_BEHAVIOR_SND_TIMEOUT, MEMCACHED_BEHAVIOR_RCV_TIMEOUT
95 * Support for Binary Protocol added
97 0.22 Mon Jul 14 09:24:11 PDT 2008
98 * Fix where master key was no being checked for "bad key"
99 * Fixed bugs in stats output (thread output was wrong)
100 * Clarified MEMCACHED_BAD_KEY_PROVIDED is return for bad prefix key.
101 * Found a bug in Flags return (Jacek Ostrowski)
102 * Fixed issue with compiling on Visual Studio
104 0.21 Fri May 23 18:34:09 PDT 2008
105 * Change of char * to const char * for all key based functions.
106 * New MEMCACHED_CALLBACK_PREFIX_KEY added. You can now create domains for
108 * Fixed bug introducd in last version on memcp
109 * Fix for death of file io to call shutdown()
111 0.20 Mon May 5 08:34:26 PDT 2008
112 * New consistent distribution tests.
113 * Found a memory leak when a server constantly fails.
114 * Fix in watchpoint macro
115 * Changed default timeout to 1 second for poll timeouts
116 * Wheel uses less memory/dynamic allocation for size (no longer limited to
117 512 hosts by default.
118 * memslap memory leak fix
119 * Added Ketama distribution
120 * Fix assert.h compile problem on CentOS
122 0.19 Wed Apr 9 09:30:53 PDT 2008
123 * Documentation fix in libmemcached.
124 * Fixed bug where sort was always occuring on hosts
125 * Logic fix in branch prediction (thanks Jay!)
126 * Read through cached support.
127 * Fixed for cas by key operation.
128 * Fix for memcached_server_st list structures to have correct count.
129 * Added callback MEMCACHED_CALLBACK_DELETE_TRIGGER
130 * Removed function call in favor of macro (aka cut out some instructions)
133 0.18 Sun Mar 16 21:57:55 PDT 2008
134 * Fix plus tests for non-zero value objects and flags.
135 * MEMCACHED_HASH_MURMUR added for murmur algorithm provided.
136 * MEMCACHED_BEHAVIOR_RETRY_TIMEOUT added to keep connecting from looping
138 * gcc branch prediction optimizations
139 * Refactored entire tree to make include files cleaner
140 * Fixed leaked socket.
142 0.17 Wed Feb 27 03:33:29 PST 2008
143 * MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT added for connect timeout in
145 * Incompatible change in memcached_behavior_set() api. We now use a
146 uint64_t, instead of a pointer.
147 * Fix for storage of values for zero.
148 * memcached_server_cursor() function added to API for cycling through servers.
150 0.16 Mon Feb 18 00:30:25 PST 2008
151 * Work on the UDP protocol
152 * Added get_by_key, set_by_key tests for C++ API
153 * Fix for limit_maxbytes to be 64bit in stats
154 * Added Atom Smasher test (scale baby, scale!)
155 * Servers are now sorted, meaning that servers are now ordered so that
156 clients with the same lists, will have same distribution. (Idea from
157 Ross McFarland). MEMCACHED_BEHAVIOR_SORT_HOSTS was added to enable
159 * Added MEMCACHED_BAD_KEY_PROVIDED error for auto, set, and get operations.
160 MEMCACHED_BEHAVIOR_VERIFY_KEY was added to enable this feature.
161 * More error messages on command line tools.
162 * Fixed bugs in memcached_cas() operator.
163 * Fix to loop through interfaces
165 0.15 Tue Jan 29 14:55:44 PST 2008
166 * More work on the C++ API.
167 * Bug fixes around block corner cases.
168 * Slight performance increase in both read() and write().
170 0.14 Tue Jan 22 06:21:49 PST 2008
171 * For for bug found by Evan Weaver where increment() was not returning
172 propper error of value was not found.
173 * Fix for bad null pointer on flag by Toru Maesaka.
174 * Refactor of all IO to just pass in the active server
175 * Problem configuring (PKG_CHECK_MODULES) fixed by removal of "rpath" in
176 support/libmemcached.pc.in (Thanks to Ross McFarland).
177 * Added memcached_callback_get()/set()
178 * First prototype of C++ interface
179 * Updated docs for uint16_t changes in previous release
181 0.13 Sun Jan 13 06:51:50 PST 2008
182 * MEMCACHED_BEHAVIOR_USER_DATA added to store user pointer.
183 * Fix for failure to connect to invalidate socket.
184 * Patch from Marc Rossi to add --hash option for memcp, memrm, and memcat.
185 * Kevin's patch for fixing EOF issues during a read.
186 * Toru Maesaka patch for stats mismatch
187 * Fix for when CRC return 0
188 * Fixed uint16_t issues around flags. Turns out the documentation on the
190 * Lingering socket fixes for FreeBSD.
191 * Patches from Kevin Dalley for FreeBSD 4.0
192 * Added multi delete functions.
193 * All get key returns have C style null termination
194 * If memcached_server_list_append is passed NULLs instead of pointers it
196 * Added memcached_fetch_execute() method
197 * Found a bug where memcached_fetch() was not null terminating the result
199 * memcached_behavior() now has the ability to set "buffering" so that
200 data is not automatically flushed.
201 * Behavior change, buffered commands now return MEMCACHED_BUFFERED
203 0.12 Tue Dec 11 15:20:55 PST 2007
204 * Updates for consistent hashing
206 * Static allocation for hostname (performance)
207 * Fixed bug where in non-block mode all data might not have been sent on
209 * Refactor of memcached_get() to use common code.
210 * Change in value fetch, MEMCACHED_END is now returned when keys are no
212 * Fixed bug where key could be out of range of characters
213 * Added _by_key() methods to allow partitioning of values to particular
215 * MEMCACHED_DEFAILT_TIMEOUT is now set to a non -1 value.
216 * Performance improvements in get operations.
218 0.11 Mon Nov 26 01:05:52 PST 2007
219 * Added option to memcache_behavior_set() so that poll() can be timed out.
220 * Fixed memory leak in case of using memcached_fetch_result() where no
222 * Bug fixed in memcached_connect() which would cause servers that
223 did not need to be enabled to be enabled (performance issue).
224 * Rewrote bounds checking code for get calls.
225 * "make test" now starts its own memcached servers.
226 * Added Hseih hash (MEMCACHED_HASH_HSIEH), which is showing about 7%
227 performance over standard hash.
229 0.10 Tue Nov 20 23:22:31 PST 2007
230 * Added append binary test.
231 * Added MEMCACHED_BEHAVIOR_CACHE_LOOKUPS behavior so that you can save on
232 multiple DNS lookups.
233 * Added CAS support, though this is optional and must be enabled during
235 * Added the utility memerror to create human readable error strings
236 from memcached errors (aka convert ints to strings)
237 * Fixed type in MEMCACHED_HOST_LOOKUP_FAILURE
238 * Fixed bug where hostname might not be null terminated
239 * Moved to using gethostbyname_r() on Linux to solve thread safety issue
240 * Added -rpath support for pkg-config
241 * Documentation fix for hash setting using memcached_behavior_set()
243 0.9 Thu Nov 15 07:44:00 PST 2007
244 * fix for when no servers are definied.
245 * different buffers are now kept for different connections to
246 speed up async efforts
247 * Modified increment/decrement functions to return uint64_t values
248 * Fixed bug in cases where zero length keys were provided
249 * Thread cleanup issue in memslap
250 * No hostname lookup on reconnect
251 * Fix for flag settings (was doing hex by accident!)
252 * Support for 1.2.4 server additions "prepend" and "append" added.
253 * Added memcached_version()... not sure if I will make this public
256 0.8 Mon Nov 5 10:40:41 PST 2007
257 * Adding support for CRC hash method
258 * Adding support for UNIX sockets
259 * Added additional HASHing methods of FNV1_64,FNV1A_64, FNV1_32, FNV1A_32
260 * Added pkgconfig support (PKG_CHECK_MODULES)
261 * Fixed conflict with defined type in MySQL
262 * Added memcached_result_st structure and functions to manipulate it.
264 0.7 Tue Oct 30 09:24:05 PDT 2007
265 * Poved to poll() from select()
266 * Fixes in internal string class for allocation of large numbers of
268 * memcached_mget() function now sends keys as it parses them instead of
269 building strings as it goes.
270 * Propper flush now for making sure we get all IO sent even when in
272 * Added --enable-debug rule for configure
273 * All asserts() removed (hey this is going into production!)
276 0.6 Wed Oct 17 08:41:35 PDT 2007
277 * get value returns are now null terminated (request by Cal Heldenbrand)
278 * Fixed connections for more hosts then two.
279 * Rewrite of the read/write IO systems to handle different sorts of host
281 * Added man pages for all functions and tools
282 * Raised buffer size for readinng/writing to 16K
283 * You can now optionally set the socket size for recv/send via
284 memached_behavior_set/get.
286 0.5 Tue Oct 9 00:22:25 PDT 2007
287 * Ruby maintainer mentioned TCP_NODELAY patch he had added. Added this to C
288 library as well. (Eric Hodel drbrain@segment7.net)
289 * Added support script for set_benchmark
290 * Updated memslap to allow testing of TCP_NODELAY
291 * Updated memslap to support --flush (aka dump memcache servers before
293 * Fixed bug in multiple hosts not being activated
294 * Added environmental variable MEMCACHED_SERVERS which can be used to
295 set the servers list.
296 * fixed memcached_stat method (and now memstat works)
297 * server connect now happens on demand.
298 * Help for all command line applications
300 0.4 Wed Oct 3 10:28:50 PDT 2007
301 * Added buffered IO to write calls for keys
302 * Added buffered IO for reads
303 * memstat was broken (bad if/else on connect)
304 * New non-blocking IO (not default yet). Mucho faster
305 * Refactor of test system.
306 * memslap crash solved
308 0.3 Mon Oct 1 06:37:52 PDT 2007
309 * Jeff Fisher <guppy@techmonkeys.org> provided a spec file
310 * Added "make rpm" around dist file
311 * Added support for Solaris
312 * Added support for DTrace
313 * Fixed read to be recv and write to be send
314 * Bug fix where memstat would core if no server was found
315 * Added memslap tool (load generator)
316 * Numerous bug fixes in library
317 * Added calls to library for creating host lists (see
318 text cases to understand how to use this).
320 0.2 Thu Sep 27 03:46:57 PDT 2007
321 * First public version
projects / awesomized / libmemcached / blob