1 0.33 Wed Sep 23 10:11:58 PDT 2009
2 * Added memcapable to test servers for binary compatibility.
3 * Updated C++ interface. Added basic support for C++ exceptions. Added
4 multiple constructors the memcached client object. The C++ interface
5 now takes parameters which are C++ types (such as std::string).
6 * Several bug fixes for binary protocol support.
7 * Fixed crashing issue with dumping from memcachd server (server internals
8 were changed without documenting change).
10 0.32 Tue Sep 15 15:49:09 PDT 2009
11 * Change of behavior where linger is only modified for no-block and then
13 * Added Twitter's memcached_server_error() functions.
14 * Fix for OSX compiles in development builds.
15 * Updated C++ interface.
16 * Updated memcached_mget and memcached_mget_by_key to take a size_t
17 as a parameter instead of an unsigned int for number_of_keys.
19 0.31 Fri Jul 10 09:02:50 PDT 2009
20 * Added support or HA via replication.
21 * malloc() removed for server key usage.
22 * Update build system.
23 * Added support for memcached_set_memory_allocators().
24 * Fixed bug in configure.ac for have_htoll.
26 0.30 Sun May 31 17:31:52 PDT 2009
27 * Added memcachd_dump command (and framework for memdump tool).
28 * Realigned all structures to remove padding (and line up important bits for 64bit caches.
29 * Remove some of sprintf() in storage calls().
30 * Removed printf() in stat call for unknown stat member.
31 * memcached_generate_hash() function added.
32 * Added tests to make sure all hash functions are stable.
34 0.29 Tue May 19 08:26:48 PDT 2009
35 * Fixed malloc usage to calloc for spots where we need zero filled memory.
36 * All code warnings now treated as errors.
37 * Fixes for debian packaging.
38 * Added new pooling mechanism.
39 * MEMCACHED_BEHAVIOR_NO_BLOCK no longer also sets MEMCACHED_BEHAVIOR_BUFFER_REQUESTS.
40 * Updated generic rpm.
42 0.28 Tue Apr 14 18:56:28 PDT 2009
43 * Fixed bug in init sructure (reapplied)
44 * Fixed bug in get/set by key (nikkhils@gmail.com)
46 0.27 Sun Mar 29 22:33:01 PDT 2009
47 * Added new UDP fire-forget mode.
48 * Reworked performance for mget() to better make use of async protocol
49 * Cleaned up execution of fetch (just one set of code now)
50 * Fixed Jenkin's for big endian hosts.
51 * Updates for memstat to determine network latency.
52 * Updates for binary protocol.
53 * Many updates to documentation.
55 0.26 Thu Jan 29 13:05:50 PST 2009
56 * Fix for decrement on hash key
57 * Fixed assert that was catching bad memset() call in host_reset()
58 * Fix purge issue for blocked IO which has been stacked.
60 0.25 Fri Nov 28 09:59:35 PST 2008
62 * Update of Murmur hash code
63 * Support explicit weights (Robey Pointer, Evan Weaver)
64 * Bugfix for ketama continuum (Robey Pointer)
65 * New behavior MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY (Robey Pointer)
66 * Don't ever call stats for weighting servers, because it is unstable.
68 0.24 Tue Sep 16 02:59:03 PDT 2008 (never released)
69 * Cleanup compile warnings.
70 * Fix issues in partitioning by keys.
71 * Fixed "fail case" to make sure when calling memcached_clone() no
72 memcached_st is over written.
73 * New memcached_server_by_key() method for finding a server from
75 * memcached_server_free() was added for freeing server structures.
78 0.23 Sun Sep 7 08:13:59 PDT 2008
79 * Added strings.h header for Solaris 9
81 * Support for weighted Ketama from Yin Chen.
83 * Fix for 0 length key to trigger bad key.
84 * Added behaviors MEMCACHED_BEHAVIOR_SND_TIMEOUT, MEMCACHED_BEHAVIOR_RCV_TIMEOUT
85 * Support for Binary Protocol added
87 0.22 Mon Jul 14 09:24:11 PDT 2008
88 * Fix where master key was no being checked for "bad key"
89 * Fixed bugs in stats output (thread output was wrong)
90 * Clarified MEMCACHED_BAD_KEY_PROVIDED is return for bad prefix key.
91 * Found a bug in Flags return (Jacek Ostrowski)
92 * Fixed issue with compiling on Visual Studio
94 0.21 Fri May 23 18:34:09 PDT 2008
95 * Change of char * to const char * for all key based functions.
96 * New MEMCACHED_CALLBACK_PREFIX_KEY added. You can now create domains for
98 * Fixed bug introducd in last version on memcp
99 * Fix for death of file io to call shutdown()
101 0.20 Mon May 5 08:34:26 PDT 2008
102 * New consistent distribution tests.
103 * Found a memory leak when a server constantly fails.
104 * Fix in watchpoint macro
105 * Changed default timeout to 1 second for poll timeouts
106 * Wheel uses less memory/dynamic allocation for size (no longer limited to
107 512 hosts by default.
108 * memslap memory leak fix
109 * Added Ketama distribution
110 * Fix assert.h compile problem on CentOS
112 0.19 Wed Apr 9 09:30:53 PDT 2008
113 * Documentation fix in libmemcached.
114 * Fixed bug where sort was always occuring on hosts
115 * Logic fix in branch prediction (thanks Jay!)
116 * Read through cached support.
117 * Fixed for cas by key operation.
118 * Fix for memcached_server_st list structures to have correct count.
119 * Added callback MEMCACHED_CALLBACK_DELETE_TRIGGER
120 * Removed function call in favor of macro (aka cut out some instructions)
123 0.18 Sun Mar 16 21:57:55 PDT 2008
124 * Fix plus tests for non-zero value objects and flags.
125 * MEMCACHED_HASH_MURMUR added for murmur algorithm provided.
126 * MEMCACHED_BEHAVIOR_RETRY_TIMEOUT added to keep connecting from looping
128 * gcc branch prediction optimizations
129 * Refactored entire tree to make include files cleaner
130 * Fixed leaked socket.
132 0.17 Wed Feb 27 03:33:29 PST 2008
133 * MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT added for connect timeout in
135 * Incompatible change in memcached_behavior_set() api. We now use a
136 uint64_t, instead of a pointer.
137 * Fix for storage of values for zero.
138 * memcached_server_cursor() function added to API for cycling through servers.
140 0.16 Mon Feb 18 00:30:25 PST 2008
141 * Work on the UDP protocol
142 * Added get_by_key, set_by_key tests for C++ API
143 * Fix for limit_maxbytes to be 64bit in stats
144 * Added Atom Smasher test (scale baby, scale!)
145 * Servers are now sorted, meaning that servers are now ordered so that
146 clients with the same lists, will have same distribution. (Idea from
147 Ross McFarland). MEMCACHED_BEHAVIOR_SORT_HOSTS was added to enable
149 * Added MEMCACHED_BAD_KEY_PROVIDED error for auto, set, and get operations.
150 MEMCACHED_BEHAVIOR_VERIFY_KEY was added to enable this feature.
151 * More error messages on command line tools.
152 * Fixed bugs in memcached_cas() operator.
153 * Fix to loop through interfaces
155 0.15 Tue Jan 29 14:55:44 PST 2008
156 * More work on the C++ API.
157 * Bug fixes around block corner cases.
158 * Slight performance increase in both read() and write().
160 0.14 Tue Jan 22 06:21:49 PST 2008
161 * For for bug found by Evan Weaver where increment() was not returning
162 propper error of value was not found.
163 * Fix for bad null pointer on flag by Toru Maesaka.
164 * Refactor of all IO to just pass in the active server
165 * Problem configuring (PKG_CHECK_MODULES) fixed by removal of "rpath" in
166 support/libmemcached.pc.in (Thanks to Ross McFarland).
167 * Added memcached_callback_get()/set()
168 * First prototype of C++ interface
169 * Updated docs for uint16_t changes in previous release
171 0.13 Sun Jan 13 06:51:50 PST 2008
172 * MEMCACHED_BEHAVIOR_USER_DATA added to store user pointer.
173 * Fix for failure to connect to invalidate socket.
174 * Patch from Marc Rossi to add --hash option for memcp, memrm, and memcat.
175 * Kevin's patch for fixing EOF issues during a read.
176 * Toru Maesaka patch for stats mismatch
177 * Fix for when CRC return 0
178 * Fixed uint16_t issues around flags. Turns out the documentation on the
180 * Lingering socket fixes for FreeBSD.
181 * Patches from Kevin Dalley for FreeBSD 4.0
182 * Added multi delete functions.
183 * All get key returns have C style null termination
184 * If memcached_server_list_append is passed NULLs instead of pointers it
186 * Added memcached_fetch_execute() method
187 * Found a bug where memcached_fetch() was not null terminating the result
189 * memcached_behavior() now has the ability to set "buffering" so that
190 data is not automatically flushed.
191 * Behavior change, buffered commands now return MEMCACHED_BUFFERED
193 0.12 Tue Dec 11 15:20:55 PST 2007
194 * Updates for consistent hashing
196 * Static allocation for hostname (performance)
197 * Fixed bug where in non-block mode all data might not have been sent on
199 * Refactor of memcached_get() to use common code.
200 * Change in value fetch, MEMCACHED_END is now returned when keys are no
202 * Fixed bug where key could be out of range of characters
203 * Added _by_key() methods to allow partitioning of values to particular
205 * MEMCACHED_DEFAILT_TIMEOUT is now set to a non -1 value.
206 * Performance improvements in get operations.
208 0.11 Mon Nov 26 01:05:52 PST 2007
209 * Added option to memcache_behavior_set() so that poll() can be timed out.
210 * Fixed memory leak in case of using memcached_fetch_result() where no
212 * Bug fixed in memcached_connect() which would cause servers that
213 did not need to be enabled to be enabled (performance issue).
214 * Rewrote bounds checking code for get calls.
215 * "make test" now starts its own memcached servers.
216 * Added Hseih hash (MEMCACHED_HASH_HSIEH), which is showing about 7%
217 performance over standard hash.
219 0.10 Tue Nov 20 23:22:31 PST 2007
220 * Added append binary test.
221 * Added MEMCACHED_BEHAVIOR_CACHE_LOOKUPS behavior so that you can save on
222 multiple DNS lookups.
223 * Added CAS support, though this is optional and must be enabled during
225 * Added the utility memerror to create human readable error strings
226 from memcached errors (aka convert ints to strings)
227 * Fixed type in MEMCACHED_HOST_LOOKUP_FAILURE
228 * Fixed bug where hostname might not be null terminated
229 * Moved to using gethostbyname_r() on Linux to solve thread safety issue
230 * Added -rpath support for pkg-config
231 * Documentation fix for hash setting using memcached_behavior_set()
233 0.9 Thu Nov 15 07:44:00 PST 2007
234 * fix for when no servers are definied.
235 * different buffers are now kept for different connections to
236 speed up async efforts
237 * Modified increment/decrement functions to return uint64_t values
238 * Fixed bug in cases where zero length keys were provided
239 * Thread cleanup issue in memslap
240 * No hostname lookup on reconnect
241 * Fix for flag settings (was doing hex by accident!)
242 * Support for 1.2.4 server additions "prepend" and "append" added.
243 * Added memcached_version()... not sure if I will make this public
246 0.8 Mon Nov 5 10:40:41 PST 2007
247 * Adding support for CRC hash method
248 * Adding support for UNIX sockets
249 * Added additional HASHing methods of FNV1_64,FNV1A_64, FNV1_32, FNV1A_32
250 * Added pkgconfig support (PKG_CHECK_MODULES)
251 * Fixed conflict with defined type in MySQL
252 * Added memcached_result_st structure and functions to manipulate it.
254 0.7 Tue Oct 30 09:24:05 PDT 2007
255 * Poved to poll() from select()
256 * Fixes in internal string class for allocation of large numbers of
258 * memcached_mget() function now sends keys as it parses them instead of
259 building strings as it goes.
260 * Propper flush now for making sure we get all IO sent even when in
262 * Added --enable-debug rule for configure
263 * All asserts() removed (hey this is going into production!)
266 0.6 Wed Oct 17 08:41:35 PDT 2007
267 * get value returns are now null terminated (request by Cal Heldenbrand)
268 * Fixed connections for more hosts then two.
269 * Rewrite of the read/write IO systems to handle different sorts of host
271 * Added man pages for all functions and tools
272 * Raised buffer size for readinng/writing to 16K
273 * You can now optionally set the socket size for recv/send via
274 memached_behavior_set/get.
276 0.5 Tue Oct 9 00:22:25 PDT 2007
277 * Ruby maintainer mentioned TCP_NODELAY patch he had added. Added this to C
278 library as well. (Eric Hodel drbrain@segment7.net)
279 * Added support script for set_benchmark
280 * Updated memslap to allow testing of TCP_NODELAY
281 * Updated memslap to support --flush (aka dump memcache servers before
283 * Fixed bug in multiple hosts not being activated
284 * Added environmental variable MEMCACHED_SERVERS which can be used to
285 set the servers list.
286 * fixed memcached_stat method (and now memstat works)
287 * server connect now happens on demand.
288 * Help for all command line applications
290 0.4 Wed Oct 3 10:28:50 PDT 2007
291 * Added buffered IO to write calls for keys
292 * Added buffered IO for reads
293 * memstat was broken (bad if/else on connect)
294 * New non-blocking IO (not default yet). Mucho faster
295 * Refactor of test system.
296 * memslap crash solved
298 0.3 Mon Oct 1 06:37:52 PDT 2007
299 * Jeff Fisher <guppy@techmonkeys.org> provided a spec file
300 * Added "make rpm" around dist file
301 * Added support for Solaris
302 * Added support for DTrace
303 * Fixed read to be recv and write to be send
304 * Bug fix where memstat would core if no server was found
305 * Added memslap tool (load generator)
306 * Numerous bug fixes in library
307 * Added calls to library for creating host lists (see
308 text cases to understand how to use this).
310 0.2 Thu Sep 27 03:46:57 PDT 2007
311 * First public version
projects / awesomized / libmemcached / blob