1 * Changed behavior so that server can be removed at first sign of failure.
3 0.33 Wed Sep 23 10:11:58 PDT 2009
4 * Added memcapable to test servers for binary compatibility.
5 * Updated C++ interface. Added basic support for C++ exceptions. Added
6 multiple constructors the memcached client object. The C++ interface
7 now takes parameters which are C++ types (such as std::string).
8 * Several bug fixes for binary protocol support.
9 * Fixed crashing issue with dumping from memcachd server (server internals
10 were changed without documenting change).
12 0.32 Tue Sep 15 15:49:09 PDT 2009
13 * Change of behavior where linger is only modified for no-block and then
15 * Added Twitter's memcached_server_error() functions.
16 * Fix for OSX compiles in development builds.
17 * Updated C++ interface.
18 * Updated memcached_mget and memcached_mget_by_key to take a size_t
19 as a parameter instead of an unsigned int for number_of_keys.
21 0.31 Fri Jul 10 09:02:50 PDT 2009
22 * Added support or HA via replication.
23 * malloc() removed for server key usage.
24 * Update build system.
25 * Added support for memcached_set_memory_allocators().
26 * Fixed bug in configure.ac for have_htoll.
28 0.30 Sun May 31 17:31:52 PDT 2009
29 * Added memcachd_dump command (and framework for memdump tool).
30 * Realigned all structures to remove padding (and line up important bits for 64bit caches.
31 * Remove some of sprintf() in storage calls().
32 * Removed printf() in stat call for unknown stat member.
33 * memcached_generate_hash() function added.
34 * Added tests to make sure all hash functions are stable.
36 0.29 Tue May 19 08:26:48 PDT 2009
37 * Fixed malloc usage to calloc for spots where we need zero filled memory.
38 * All code warnings now treated as errors.
39 * Fixes for debian packaging.
40 * Added new pooling mechanism.
41 * MEMCACHED_BEHAVIOR_NO_BLOCK no longer also sets MEMCACHED_BEHAVIOR_BUFFER_REQUESTS.
42 * Updated generic rpm.
44 0.28 Tue Apr 14 18:56:28 PDT 2009
45 * Fixed bug in init sructure (reapplied)
46 * Fixed bug in get/set by key (nikkhils@gmail.com)
48 0.27 Sun Mar 29 22:33:01 PDT 2009
49 * Added new UDP fire-forget mode.
50 * Reworked performance for mget() to better make use of async protocol
51 * Cleaned up execution of fetch (just one set of code now)
52 * Fixed Jenkin's for big endian hosts.
53 * Updates for memstat to determine network latency.
54 * Updates for binary protocol.
55 * Many updates to documentation.
57 0.26 Thu Jan 29 13:05:50 PST 2009
58 * Fix for decrement on hash key
59 * Fixed assert that was catching bad memset() call in host_reset()
60 * Fix purge issue for blocked IO which has been stacked.
62 0.25 Fri Nov 28 09:59:35 PST 2008
64 * Update of Murmur hash code
65 * Support explicit weights (Robey Pointer, Evan Weaver)
66 * Bugfix for ketama continuum (Robey Pointer)
67 * New behavior MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY (Robey Pointer)
68 * Don't ever call stats for weighting servers, because it is unstable.
70 0.24 Tue Sep 16 02:59:03 PDT 2008 (never released)
71 * Cleanup compile warnings.
72 * Fix issues in partitioning by keys.
73 * Fixed "fail case" to make sure when calling memcached_clone() no
74 memcached_st is over written.
75 * New memcached_server_by_key() method for finding a server from
77 * memcached_server_free() was added for freeing server structures.
80 0.23 Sun Sep 7 08:13:59 PDT 2008
81 * Added strings.h header for Solaris 9
83 * Support for weighted Ketama from Yin Chen.
85 * Fix for 0 length key to trigger bad key.
86 * Added behaviors MEMCACHED_BEHAVIOR_SND_TIMEOUT, MEMCACHED_BEHAVIOR_RCV_TIMEOUT
87 * Support for Binary Protocol added
89 0.22 Mon Jul 14 09:24:11 PDT 2008
90 * Fix where master key was no being checked for "bad key"
91 * Fixed bugs in stats output (thread output was wrong)
92 * Clarified MEMCACHED_BAD_KEY_PROVIDED is return for bad prefix key.
93 * Found a bug in Flags return (Jacek Ostrowski)
94 * Fixed issue with compiling on Visual Studio
96 0.21 Fri May 23 18:34:09 PDT 2008
97 * Change of char * to const char * for all key based functions.
98 * New MEMCACHED_CALLBACK_PREFIX_KEY added. You can now create domains for
100 * Fixed bug introducd in last version on memcp
101 * Fix for death of file io to call shutdown()
103 0.20 Mon May 5 08:34:26 PDT 2008
104 * New consistent distribution tests.
105 * Found a memory leak when a server constantly fails.
106 * Fix in watchpoint macro
107 * Changed default timeout to 1 second for poll timeouts
108 * Wheel uses less memory/dynamic allocation for size (no longer limited to
109 512 hosts by default.
110 * memslap memory leak fix
111 * Added Ketama distribution
112 * Fix assert.h compile problem on CentOS
114 0.19 Wed Apr 9 09:30:53 PDT 2008
115 * Documentation fix in libmemcached.
116 * Fixed bug where sort was always occuring on hosts
117 * Logic fix in branch prediction (thanks Jay!)
118 * Read through cached support.
119 * Fixed for cas by key operation.
120 * Fix for memcached_server_st list structures to have correct count.
121 * Added callback MEMCACHED_CALLBACK_DELETE_TRIGGER
122 * Removed function call in favor of macro (aka cut out some instructions)
125 0.18 Sun Mar 16 21:57:55 PDT 2008
126 * Fix plus tests for non-zero value objects and flags.
127 * MEMCACHED_HASH_MURMUR added for murmur algorithm provided.
128 * MEMCACHED_BEHAVIOR_RETRY_TIMEOUT added to keep connecting from looping
130 * gcc branch prediction optimizations
131 * Refactored entire tree to make include files cleaner
132 * Fixed leaked socket.
134 0.17 Wed Feb 27 03:33:29 PST 2008
135 * MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT added for connect timeout in
137 * Incompatible change in memcached_behavior_set() api. We now use a
138 uint64_t, instead of a pointer.
139 * Fix for storage of values for zero.
140 * memcached_server_cursor() function added to API for cycling through servers.
142 0.16 Mon Feb 18 00:30:25 PST 2008
143 * Work on the UDP protocol
144 * Added get_by_key, set_by_key tests for C++ API
145 * Fix for limit_maxbytes to be 64bit in stats
146 * Added Atom Smasher test (scale baby, scale!)
147 * Servers are now sorted, meaning that servers are now ordered so that
148 clients with the same lists, will have same distribution. (Idea from
149 Ross McFarland). MEMCACHED_BEHAVIOR_SORT_HOSTS was added to enable
151 * Added MEMCACHED_BAD_KEY_PROVIDED error for auto, set, and get operations.
152 MEMCACHED_BEHAVIOR_VERIFY_KEY was added to enable this feature.
153 * More error messages on command line tools.
154 * Fixed bugs in memcached_cas() operator.
155 * Fix to loop through interfaces
157 0.15 Tue Jan 29 14:55:44 PST 2008
158 * More work on the C++ API.
159 * Bug fixes around block corner cases.
160 * Slight performance increase in both read() and write().
162 0.14 Tue Jan 22 06:21:49 PST 2008
163 * For for bug found by Evan Weaver where increment() was not returning
164 propper error of value was not found.
165 * Fix for bad null pointer on flag by Toru Maesaka.
166 * Refactor of all IO to just pass in the active server
167 * Problem configuring (PKG_CHECK_MODULES) fixed by removal of "rpath" in
168 support/libmemcached.pc.in (Thanks to Ross McFarland).
169 * Added memcached_callback_get()/set()
170 * First prototype of C++ interface
171 * Updated docs for uint16_t changes in previous release
173 0.13 Sun Jan 13 06:51:50 PST 2008
174 * MEMCACHED_BEHAVIOR_USER_DATA added to store user pointer.
175 * Fix for failure to connect to invalidate socket.
176 * Patch from Marc Rossi to add --hash option for memcp, memrm, and memcat.
177 * Kevin's patch for fixing EOF issues during a read.
178 * Toru Maesaka patch for stats mismatch
179 * Fix for when CRC return 0
180 * Fixed uint16_t issues around flags. Turns out the documentation on the
182 * Lingering socket fixes for FreeBSD.
183 * Patches from Kevin Dalley for FreeBSD 4.0
184 * Added multi delete functions.
185 * All get key returns have C style null termination
186 * If memcached_server_list_append is passed NULLs instead of pointers it
188 * Added memcached_fetch_execute() method
189 * Found a bug where memcached_fetch() was not null terminating the result
191 * memcached_behavior() now has the ability to set "buffering" so that
192 data is not automatically flushed.
193 * Behavior change, buffered commands now return MEMCACHED_BUFFERED
195 0.12 Tue Dec 11 15:20:55 PST 2007
196 * Updates for consistent hashing
198 * Static allocation for hostname (performance)
199 * Fixed bug where in non-block mode all data might not have been sent on
201 * Refactor of memcached_get() to use common code.
202 * Change in value fetch, MEMCACHED_END is now returned when keys are no
204 * Fixed bug where key could be out of range of characters
205 * Added _by_key() methods to allow partitioning of values to particular
207 * MEMCACHED_DEFAILT_TIMEOUT is now set to a non -1 value.
208 * Performance improvements in get operations.
210 0.11 Mon Nov 26 01:05:52 PST 2007
211 * Added option to memcache_behavior_set() so that poll() can be timed out.
212 * Fixed memory leak in case of using memcached_fetch_result() where no
214 * Bug fixed in memcached_connect() which would cause servers that
215 did not need to be enabled to be enabled (performance issue).
216 * Rewrote bounds checking code for get calls.
217 * "make test" now starts its own memcached servers.
218 * Added Hseih hash (MEMCACHED_HASH_HSIEH), which is showing about 7%
219 performance over standard hash.
221 0.10 Tue Nov 20 23:22:31 PST 2007
222 * Added append binary test.
223 * Added MEMCACHED_BEHAVIOR_CACHE_LOOKUPS behavior so that you can save on
224 multiple DNS lookups.
225 * Added CAS support, though this is optional and must be enabled during
227 * Added the utility memerror to create human readable error strings
228 from memcached errors (aka convert ints to strings)
229 * Fixed type in MEMCACHED_HOST_LOOKUP_FAILURE
230 * Fixed bug where hostname might not be null terminated
231 * Moved to using gethostbyname_r() on Linux to solve thread safety issue
232 * Added -rpath support for pkg-config
233 * Documentation fix for hash setting using memcached_behavior_set()
235 0.9 Thu Nov 15 07:44:00 PST 2007
236 * fix for when no servers are definied.
237 * different buffers are now kept for different connections to
238 speed up async efforts
239 * Modified increment/decrement functions to return uint64_t values
240 * Fixed bug in cases where zero length keys were provided
241 * Thread cleanup issue in memslap
242 * No hostname lookup on reconnect
243 * Fix for flag settings (was doing hex by accident!)
244 * Support for 1.2.4 server additions "prepend" and "append" added.
245 * Added memcached_version()... not sure if I will make this public
248 0.8 Mon Nov 5 10:40:41 PST 2007
249 * Adding support for CRC hash method
250 * Adding support for UNIX sockets
251 * Added additional HASHing methods of FNV1_64,FNV1A_64, FNV1_32, FNV1A_32
252 * Added pkgconfig support (PKG_CHECK_MODULES)
253 * Fixed conflict with defined type in MySQL
254 * Added memcached_result_st structure and functions to manipulate it.
256 0.7 Tue Oct 30 09:24:05 PDT 2007
257 * Poved to poll() from select()
258 * Fixes in internal string class for allocation of large numbers of
260 * memcached_mget() function now sends keys as it parses them instead of
261 building strings as it goes.
262 * Propper flush now for making sure we get all IO sent even when in
264 * Added --enable-debug rule for configure
265 * All asserts() removed (hey this is going into production!)
268 0.6 Wed Oct 17 08:41:35 PDT 2007
269 * get value returns are now null terminated (request by Cal Heldenbrand)
270 * Fixed connections for more hosts then two.
271 * Rewrite of the read/write IO systems to handle different sorts of host
273 * Added man pages for all functions and tools
274 * Raised buffer size for readinng/writing to 16K
275 * You can now optionally set the socket size for recv/send via
276 memached_behavior_set/get.
278 0.5 Tue Oct 9 00:22:25 PDT 2007
279 * Ruby maintainer mentioned TCP_NODELAY patch he had added. Added this to C
280 library as well. (Eric Hodel drbrain@segment7.net)
281 * Added support script for set_benchmark
282 * Updated memslap to allow testing of TCP_NODELAY
283 * Updated memslap to support --flush (aka dump memcache servers before
285 * Fixed bug in multiple hosts not being activated
286 * Added environmental variable MEMCACHED_SERVERS which can be used to
287 set the servers list.
288 * fixed memcached_stat method (and now memstat works)
289 * server connect now happens on demand.
290 * Help for all command line applications
292 0.4 Wed Oct 3 10:28:50 PDT 2007
293 * Added buffered IO to write calls for keys
294 * Added buffered IO for reads
295 * memstat was broken (bad if/else on connect)
296 * New non-blocking IO (not default yet). Mucho faster
297 * Refactor of test system.
298 * memslap crash solved
300 0.3 Mon Oct 1 06:37:52 PDT 2007
301 * Jeff Fisher <guppy@techmonkeys.org> provided a spec file
302 * Added "make rpm" around dist file
303 * Added support for Solaris
304 * Added support for DTrace
305 * Fixed read to be recv and write to be send
306 * Bug fix where memstat would core if no server was found
307 * Added memslap tool (load generator)
308 * Numerous bug fixes in library
309 * Added calls to library for creating host lists (see
310 text cases to understand how to use this).
312 0.2 Thu Sep 27 03:46:57 PDT 2007
313 * First public version
projects / awesomized / libmemcached / blob