1 * Added Twitter's memcached_server_error() functions.
2 * Fix for OSX compiles in development builds.
3 * Updated C++ interface.
4 * Updated memcached_mget and memcached_mget_by_key to take a size_t
5 as a parameter instead of an unsigned int for number_of_keys.
7 0.31 Fri Jul 10 09:02:50 PDT 2009
8 * Added support or HA via replication.
9 * malloc() removed for server key usage.
10 * Update build system.
11 * Added support for memcached_set_memory_allocators().
12 * Fixed bug in configure.ac for have_htoll.
14 0.30 Sun May 31 17:31:52 PDT 2009
15 * Added memcachd_dump command (and framework for memdump tool).
16 * Realigned all structures to remove padding (and line up important bits for 64bit caches.
17 * Remove some of sprintf() in storage calls().
18 * Removed printf() in stat call for unknown stat member.
19 * memcached_generate_hash() function added.
20 * Added tests to make sure all hash functions are stable.
22 0.29 Tue May 19 08:26:48 PDT 2009
23 * Fixed malloc usage to calloc for spots where we need zero filled memory.
24 * All code warnings now treated as errors.
25 * Fixes for debian packaging.
26 * Added new pooling mechanism.
27 * MEMCACHED_BEHAVIOR_NO_BLOCK no longer also sets MEMCACHED_BEHAVIOR_BUFFER_REQUESTS.
28 * Updated generic rpm.
30 0.28 Tue Apr 14 18:56:28 PDT 2009
31 * Fixed bug in init sructure (reapplied)
32 * Fixed bug in get/set by key (nikkhils@gmail.com)
34 0.27 Sun Mar 29 22:33:01 PDT 2009
35 * Added new UDP fire-forget mode.
36 * Reworked performance for mget() to better make use of async protocol
37 * Cleaned up execution of fetch (just one set of code now)
38 * Fixed Jenkin's for big endian hosts.
39 * Updates for memstat to determine network latency.
40 * Updates for binary protocol.
41 * Many updates to documentation.
43 0.26 Thu Jan 29 13:05:50 PST 2009
44 * Fix for decrement on hash key
45 * Fixed assert that was catching bad memset() call in host_reset()
46 * Fix purge issue for blocked IO which has been stacked.
48 0.25 Fri Nov 28 09:59:35 PST 2008
50 * Update of Murmur hash code
51 * Support explicit weights (Robey Pointer, Evan Weaver)
52 * Bugfix for ketama continuum (Robey Pointer)
53 * New behavior MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY (Robey Pointer)
54 * Don't ever call stats for weighting servers, because it is unstable.
56 0.24 Tue Sep 16 02:59:03 PDT 2008 (never released)
57 * Cleanup compile warnings.
58 * Fix issues in partitioning by keys.
59 * Fixed "fail case" to make sure when calling memcached_clone() no
60 memcached_st is over written.
61 * New memcached_server_by_key() method for finding a server from
63 * memcached_server_free() was added for freeing server structures.
66 0.23 Sun Sep 7 08:13:59 PDT 2008
67 * Added strings.h header for Solaris 9
69 * Support for weighted Ketama from Yin Chen.
71 * Fix for 0 length key to trigger bad key.
72 * Added behaviors MEMCACHED_BEHAVIOR_SND_TIMEOUT, MEMCACHED_BEHAVIOR_RCV_TIMEOUT
73 * Support for Binary Protocol added
75 0.22 Mon Jul 14 09:24:11 PDT 2008
76 * Fix where master key was no being checked for "bad key"
77 * Fixed bugs in stats output (thread output was wrong)
78 * Clarified MEMCACHED_BAD_KEY_PROVIDED is return for bad prefix key.
79 * Found a bug in Flags return (Jacek Ostrowski)
80 * Fixed issue with compiling on Visual Studio
82 0.21 Fri May 23 18:34:09 PDT 2008
83 * Change of char * to const char * for all key based functions.
84 * New MEMCACHED_CALLBACK_PREFIX_KEY added. You can now create domains for
86 * Fixed bug introducd in last version on memcp
87 * Fix for death of file io to call shutdown()
89 0.20 Mon May 5 08:34:26 PDT 2008
90 * New consistent distribution tests.
91 * Found a memory leak when a server constantly fails.
92 * Fix in watchpoint macro
93 * Changed default timeout to 1 second for poll timeouts
94 * Wheel uses less memory/dynamic allocation for size (no longer limited to
96 * memslap memory leak fix
97 * Added Ketama distribution
98 * Fix assert.h compile problem on CentOS
100 0.19 Wed Apr 9 09:30:53 PDT 2008
101 * Documentation fix in libmemcached.
102 * Fixed bug where sort was always occuring on hosts
103 * Logic fix in branch prediction (thanks Jay!)
104 * Read through cached support.
105 * Fixed for cas by key operation.
106 * Fix for memcached_server_st list structures to have correct count.
107 * Added callback MEMCACHED_CALLBACK_DELETE_TRIGGER
108 * Removed function call in favor of macro (aka cut out some instructions)
111 0.18 Sun Mar 16 21:57:55 PDT 2008
112 * Fix plus tests for non-zero value objects and flags.
113 * MEMCACHED_HASH_MURMUR added for murmur algorithm provided.
114 * MEMCACHED_BEHAVIOR_RETRY_TIMEOUT added to keep connecting from looping
116 * gcc branch prediction optimizations
117 * Refactored entire tree to make include files cleaner
118 * Fixed leaked socket.
120 0.17 Wed Feb 27 03:33:29 PST 2008
121 * MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT added for connect timeout in
123 * Incompatible change in memcached_behavior_set() api. We now use a
124 uint64_t, instead of a pointer.
125 * Fix for storage of values for zero.
126 * memcached_server_cursor() function added to API for cycling through servers.
128 0.16 Mon Feb 18 00:30:25 PST 2008
129 * Work on the UDP protocol
130 * Added get_by_key, set_by_key tests for C++ API
131 * Fix for limit_maxbytes to be 64bit in stats
132 * Added Atom Smasher test (scale baby, scale!)
133 * Servers are now sorted, meaning that servers are now ordered so that
134 clients with the same lists, will have same distribution. (Idea from
135 Ross McFarland). MEMCACHED_BEHAVIOR_SORT_HOSTS was added to enable
137 * Added MEMCACHED_BAD_KEY_PROVIDED error for auto, set, and get operations.
138 MEMCACHED_BEHAVIOR_VERIFY_KEY was added to enable this feature.
139 * More error messages on command line tools.
140 * Fixed bugs in memcached_cas() operator.
141 * Fix to loop through interfaces
143 0.15 Tue Jan 29 14:55:44 PST 2008
144 * More work on the C++ API.
145 * Bug fixes around block corner cases.
146 * Slight performance increase in both read() and write().
148 0.14 Tue Jan 22 06:21:49 PST 2008
149 * For for bug found by Evan Weaver where increment() was not returning
150 propper error of value was not found.
151 * Fix for bad null pointer on flag by Toru Maesaka.
152 * Refactor of all IO to just pass in the active server
153 * Problem configuring (PKG_CHECK_MODULES) fixed by removal of "rpath" in
154 support/libmemcached.pc.in (Thanks to Ross McFarland).
155 * Added memcached_callback_get()/set()
156 * First prototype of C++ interface
157 * Updated docs for uint16_t changes in previous release
159 0.13 Sun Jan 13 06:51:50 PST 2008
160 * MEMCACHED_BEHAVIOR_USER_DATA added to store user pointer.
161 * Fix for failure to connect to invalidate socket.
162 * Patch from Marc Rossi to add --hash option for memcp, memrm, and memcat.
163 * Kevin's patch for fixing EOF issues during a read.
164 * Toru Maesaka patch for stats mismatch
165 * Fix for when CRC return 0
166 * Fixed uint16_t issues around flags. Turns out the documentation on the
168 * Lingering socket fixes for FreeBSD.
169 * Patches from Kevin Dalley for FreeBSD 4.0
170 * Added multi delete functions.
171 * All get key returns have C style null termination
172 * If memcached_server_list_append is passed NULLs instead of pointers it
174 * Added memcached_fetch_execute() method
175 * Found a bug where memcached_fetch() was not null terminating the result
177 * memcached_behavior() now has the ability to set "buffering" so that
178 data is not automatically flushed.
179 * Behavior change, buffered commands now return MEMCACHED_BUFFERED
181 0.12 Tue Dec 11 15:20:55 PST 2007
182 * Updates for consistent hashing
184 * Static allocation for hostname (performance)
185 * Fixed bug where in non-block mode all data might not have been sent on
187 * Refactor of memcached_get() to use common code.
188 * Change in value fetch, MEMCACHED_END is now returned when keys are no
190 * Fixed bug where key could be out of range of characters
191 * Added _by_key() methods to allow partitioning of values to particular
193 * MEMCACHED_DEFAILT_TIMEOUT is now set to a non -1 value.
194 * Performance improvements in get operations.
196 0.11 Mon Nov 26 01:05:52 PST 2007
197 * Added option to memcache_behavior_set() so that poll() can be timed out.
198 * Fixed memory leak in case of using memcached_fetch_result() where no
200 * Bug fixed in memcached_connect() which would cause servers that
201 did not need to be enabled to be enabled (performance issue).
202 * Rewrote bounds checking code for get calls.
203 * "make test" now starts its own memcached servers.
204 * Added Hseih hash (MEMCACHED_HASH_HSIEH), which is showing about 7%
205 performance over standard hash.
207 0.10 Tue Nov 20 23:22:31 PST 2007
208 * Added append binary test.
209 * Added MEMCACHED_BEHAVIOR_CACHE_LOOKUPS behavior so that you can save on
210 multiple DNS lookups.
211 * Added CAS support, though this is optional and must be enabled during
213 * Added the utility memerror to create human readable error strings
214 from memcached errors (aka convert ints to strings)
215 * Fixed type in MEMCACHED_HOST_LOOKUP_FAILURE
216 * Fixed bug where hostname might not be null terminated
217 * Moved to using gethostbyname_r() on Linux to solve thread safety issue
218 * Added -rpath support for pkg-config
219 * Documentation fix for hash setting using memcached_behavior_set()
221 0.9 Thu Nov 15 07:44:00 PST 2007
222 * fix for when no servers are definied.
223 * different buffers are now kept for different connections to
224 speed up async efforts
225 * Modified increment/decrement functions to return uint64_t values
226 * Fixed bug in cases where zero length keys were provided
227 * Thread cleanup issue in memslap
228 * No hostname lookup on reconnect
229 * Fix for flag settings (was doing hex by accident!)
230 * Support for 1.2.4 server additions "prepend" and "append" added.
231 * Added memcached_version()... not sure if I will make this public
234 0.8 Mon Nov 5 10:40:41 PST 2007
235 * Adding support for CRC hash method
236 * Adding support for UNIX sockets
237 * Added additional HASHing methods of FNV1_64,FNV1A_64, FNV1_32, FNV1A_32
238 * Added pkgconfig support (PKG_CHECK_MODULES)
239 * Fixed conflict with defined type in MySQL
240 * Added memcached_result_st structure and functions to manipulate it.
242 0.7 Tue Oct 30 09:24:05 PDT 2007
243 * Poved to poll() from select()
244 * Fixes in internal string class for allocation of large numbers of
246 * memcached_mget() function now sends keys as it parses them instead of
247 building strings as it goes.
248 * Propper flush now for making sure we get all IO sent even when in
250 * Added --enable-debug rule for configure
251 * All asserts() removed (hey this is going into production!)
254 0.6 Wed Oct 17 08:41:35 PDT 2007
255 * get value returns are now null terminated (request by Cal Heldenbrand)
256 * Fixed connections for more hosts then two.
257 * Rewrite of the read/write IO systems to handle different sorts of host
259 * Added man pages for all functions and tools
260 * Raised buffer size for readinng/writing to 16K
261 * You can now optionally set the socket size for recv/send via
262 memached_behavior_set/get.
264 0.5 Tue Oct 9 00:22:25 PDT 2007
265 * Ruby maintainer mentioned TCP_NODELAY patch he had added. Added this to C
266 library as well. (Eric Hodel drbrain@segment7.net)
267 * Added support script for set_benchmark
268 * Updated memslap to allow testing of TCP_NODELAY
269 * Updated memslap to support --flush (aka dump memcache servers before
271 * Fixed bug in multiple hosts not being activated
272 * Added environmental variable MEMCACHED_SERVERS which can be used to
273 set the servers list.
274 * fixed memcached_stat method (and now memstat works)
275 * server connect now happens on demand.
276 * Help for all command line applications
278 0.4 Wed Oct 3 10:28:50 PDT 2007
279 * Added buffered IO to write calls for keys
280 * Added buffered IO for reads
281 * memstat was broken (bad if/else on connect)
282 * New non-blocking IO (not default yet). Mucho faster
283 * Refactor of test system.
284 * memslap crash solved
286 0.3 Mon Oct 1 06:37:52 PDT 2007
287 * Jeff Fisher <guppy@techmonkeys.org> provided a spec file
288 * Added "make rpm" around dist file
289 * Added support for Solaris
290 * Added support for DTrace
291 * Fixed read to be recv and write to be send
292 * Bug fix where memstat would core if no server was found
293 * Added memslap tool (load generator)
294 * Numerous bug fixes in library
295 * Added calls to library for creating host lists (see
296 text cases to understand how to use this).
298 0.2 Thu Sep 27 03:46:57 PDT 2007
299 * First public version
projects / awesomized / libmemcached / blob