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