1 * Change of behavior where linger is only modified for no-block and then
3 * Added Twitter's memcached_server_error() functions.
4 * Fix for OSX compiles in development builds.
5 * Updated C++ interface.
6 * Updated memcached_mget and memcached_mget_by_key to take a size_t
7 as a parameter instead of an unsigned int for number_of_keys.
9 0.31 Fri Jul 10 09:02:50 PDT 2009
10 * Added support or HA via replication.
11 * malloc() removed for server key usage.
12 * Update build system.
13 * Added support for memcached_set_memory_allocators().
14 * Fixed bug in configure.ac for have_htoll.
16 0.30 Sun May 31 17:31:52 PDT 2009
17 * Added memcachd_dump command (and framework for memdump tool).
18 * Realigned all structures to remove padding (and line up important bits for 64bit caches.
19 * Remove some of sprintf() in storage calls().
20 * Removed printf() in stat call for unknown stat member.
21 * memcached_generate_hash() function added.
22 * Added tests to make sure all hash functions are stable.
24 0.29 Tue May 19 08:26:48 PDT 2009
25 * Fixed malloc usage to calloc for spots where we need zero filled memory.
26 * All code warnings now treated as errors.
27 * Fixes for debian packaging.
28 * Added new pooling mechanism.
29 * MEMCACHED_BEHAVIOR_NO_BLOCK no longer also sets MEMCACHED_BEHAVIOR_BUFFER_REQUESTS.
30 * Updated generic rpm.
32 0.28 Tue Apr 14 18:56:28 PDT 2009
33 * Fixed bug in init sructure (reapplied)
34 * Fixed bug in get/set by key (nikkhils@gmail.com)
36 0.27 Sun Mar 29 22:33:01 PDT 2009
37 * Added new UDP fire-forget mode.
38 * Reworked performance for mget() to better make use of async protocol
39 * Cleaned up execution of fetch (just one set of code now)
40 * Fixed Jenkin's for big endian hosts.
41 * Updates for memstat to determine network latency.
42 * Updates for binary protocol.
43 * Many updates to documentation.
45 0.26 Thu Jan 29 13:05:50 PST 2009
46 * Fix for decrement on hash key
47 * Fixed assert that was catching bad memset() call in host_reset()
48 * Fix purge issue for blocked IO which has been stacked.
50 0.25 Fri Nov 28 09:59:35 PST 2008
52 * Update of Murmur hash code
53 * Support explicit weights (Robey Pointer, Evan Weaver)
54 * Bugfix for ketama continuum (Robey Pointer)
55 * New behavior MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY (Robey Pointer)
56 * Don't ever call stats for weighting servers, because it is unstable.
58 0.24 Tue Sep 16 02:59:03 PDT 2008 (never released)
59 * Cleanup compile warnings.
60 * Fix issues in partitioning by keys.
61 * Fixed "fail case" to make sure when calling memcached_clone() no
62 memcached_st is over written.
63 * New memcached_server_by_key() method for finding a server from
65 * memcached_server_free() was added for freeing server structures.
68 0.23 Sun Sep 7 08:13:59 PDT 2008
69 * Added strings.h header for Solaris 9
71 * Support for weighted Ketama from Yin Chen.
73 * Fix for 0 length key to trigger bad key.
74 * Added behaviors MEMCACHED_BEHAVIOR_SND_TIMEOUT, MEMCACHED_BEHAVIOR_RCV_TIMEOUT
75 * Support for Binary Protocol added
77 0.22 Mon Jul 14 09:24:11 PDT 2008
78 * Fix where master key was no being checked for "bad key"
79 * Fixed bugs in stats output (thread output was wrong)
80 * Clarified MEMCACHED_BAD_KEY_PROVIDED is return for bad prefix key.
81 * Found a bug in Flags return (Jacek Ostrowski)
82 * Fixed issue with compiling on Visual Studio
84 0.21 Fri May 23 18:34:09 PDT 2008
85 * Change of char * to const char * for all key based functions.
86 * New MEMCACHED_CALLBACK_PREFIX_KEY added. You can now create domains for
88 * Fixed bug introducd in last version on memcp
89 * Fix for death of file io to call shutdown()
91 0.20 Mon May 5 08:34:26 PDT 2008
92 * New consistent distribution tests.
93 * Found a memory leak when a server constantly fails.
94 * Fix in watchpoint macro
95 * Changed default timeout to 1 second for poll timeouts
96 * Wheel uses less memory/dynamic allocation for size (no longer limited to
98 * memslap memory leak fix
99 * Added Ketama distribution
100 * Fix assert.h compile problem on CentOS
102 0.19 Wed Apr 9 09:30:53 PDT 2008
103 * Documentation fix in libmemcached.
104 * Fixed bug where sort was always occuring on hosts
105 * Logic fix in branch prediction (thanks Jay!)
106 * Read through cached support.
107 * Fixed for cas by key operation.
108 * Fix for memcached_server_st list structures to have correct count.
109 * Added callback MEMCACHED_CALLBACK_DELETE_TRIGGER
110 * Removed function call in favor of macro (aka cut out some instructions)
113 0.18 Sun Mar 16 21:57:55 PDT 2008
114 * Fix plus tests for non-zero value objects and flags.
115 * MEMCACHED_HASH_MURMUR added for murmur algorithm provided.
116 * MEMCACHED_BEHAVIOR_RETRY_TIMEOUT added to keep connecting from looping
118 * gcc branch prediction optimizations
119 * Refactored entire tree to make include files cleaner
120 * Fixed leaked socket.
122 0.17 Wed Feb 27 03:33:29 PST 2008
123 * MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT added for connect timeout in
125 * Incompatible change in memcached_behavior_set() api. We now use a
126 uint64_t, instead of a pointer.
127 * Fix for storage of values for zero.
128 * memcached_server_cursor() function added to API for cycling through servers.
130 0.16 Mon Feb 18 00:30:25 PST 2008
131 * Work on the UDP protocol
132 * Added get_by_key, set_by_key tests for C++ API
133 * Fix for limit_maxbytes to be 64bit in stats
134 * Added Atom Smasher test (scale baby, scale!)
135 * Servers are now sorted, meaning that servers are now ordered so that
136 clients with the same lists, will have same distribution. (Idea from
137 Ross McFarland). MEMCACHED_BEHAVIOR_SORT_HOSTS was added to enable
139 * Added MEMCACHED_BAD_KEY_PROVIDED error for auto, set, and get operations.
140 MEMCACHED_BEHAVIOR_VERIFY_KEY was added to enable this feature.
141 * More error messages on command line tools.
142 * Fixed bugs in memcached_cas() operator.
143 * Fix to loop through interfaces
145 0.15 Tue Jan 29 14:55:44 PST 2008
146 * More work on the C++ API.
147 * Bug fixes around block corner cases.
148 * Slight performance increase in both read() and write().
150 0.14 Tue Jan 22 06:21:49 PST 2008
151 * For for bug found by Evan Weaver where increment() was not returning
152 propper error of value was not found.
153 * Fix for bad null pointer on flag by Toru Maesaka.
154 * Refactor of all IO to just pass in the active server
155 * Problem configuring (PKG_CHECK_MODULES) fixed by removal of "rpath" in
156 support/libmemcached.pc.in (Thanks to Ross McFarland).
157 * Added memcached_callback_get()/set()
158 * First prototype of C++ interface
159 * Updated docs for uint16_t changes in previous release
161 0.13 Sun Jan 13 06:51:50 PST 2008
162 * MEMCACHED_BEHAVIOR_USER_DATA added to store user pointer.
163 * Fix for failure to connect to invalidate socket.
164 * Patch from Marc Rossi to add --hash option for memcp, memrm, and memcat.
165 * Kevin's patch for fixing EOF issues during a read.
166 * Toru Maesaka patch for stats mismatch
167 * Fix for when CRC return 0
168 * Fixed uint16_t issues around flags. Turns out the documentation on the
170 * Lingering socket fixes for FreeBSD.
171 * Patches from Kevin Dalley for FreeBSD 4.0
172 * Added multi delete functions.
173 * All get key returns have C style null termination
174 * If memcached_server_list_append is passed NULLs instead of pointers it
176 * Added memcached_fetch_execute() method
177 * Found a bug where memcached_fetch() was not null terminating the result
179 * memcached_behavior() now has the ability to set "buffering" so that
180 data is not automatically flushed.
181 * Behavior change, buffered commands now return MEMCACHED_BUFFERED
183 0.12 Tue Dec 11 15:20:55 PST 2007
184 * Updates for consistent hashing
186 * Static allocation for hostname (performance)
187 * Fixed bug where in non-block mode all data might not have been sent on
189 * Refactor of memcached_get() to use common code.
190 * Change in value fetch, MEMCACHED_END is now returned when keys are no
192 * Fixed bug where key could be out of range of characters
193 * Added _by_key() methods to allow partitioning of values to particular
195 * MEMCACHED_DEFAILT_TIMEOUT is now set to a non -1 value.
196 * Performance improvements in get operations.
198 0.11 Mon Nov 26 01:05:52 PST 2007
199 * Added option to memcache_behavior_set() so that poll() can be timed out.
200 * Fixed memory leak in case of using memcached_fetch_result() where no
202 * Bug fixed in memcached_connect() which would cause servers that
203 did not need to be enabled to be enabled (performance issue).
204 * Rewrote bounds checking code for get calls.
205 * "make test" now starts its own memcached servers.
206 * Added Hseih hash (MEMCACHED_HASH_HSIEH), which is showing about 7%
207 performance over standard hash.
209 0.10 Tue Nov 20 23:22:31 PST 2007
210 * Added append binary test.
211 * Added MEMCACHED_BEHAVIOR_CACHE_LOOKUPS behavior so that you can save on
212 multiple DNS lookups.
213 * Added CAS support, though this is optional and must be enabled during
215 * Added the utility memerror to create human readable error strings
216 from memcached errors (aka convert ints to strings)
217 * Fixed type in MEMCACHED_HOST_LOOKUP_FAILURE
218 * Fixed bug where hostname might not be null terminated
219 * Moved to using gethostbyname_r() on Linux to solve thread safety issue
220 * Added -rpath support for pkg-config
221 * Documentation fix for hash setting using memcached_behavior_set()
223 0.9 Thu Nov 15 07:44:00 PST 2007
224 * fix for when no servers are definied.
225 * different buffers are now kept for different connections to
226 speed up async efforts
227 * Modified increment/decrement functions to return uint64_t values
228 * Fixed bug in cases where zero length keys were provided
229 * Thread cleanup issue in memslap
230 * No hostname lookup on reconnect
231 * Fix for flag settings (was doing hex by accident!)
232 * Support for 1.2.4 server additions "prepend" and "append" added.
233 * Added memcached_version()... not sure if I will make this public
236 0.8 Mon Nov 5 10:40:41 PST 2007
237 * Adding support for CRC hash method
238 * Adding support for UNIX sockets
239 * Added additional HASHing methods of FNV1_64,FNV1A_64, FNV1_32, FNV1A_32
240 * Added pkgconfig support (PKG_CHECK_MODULES)
241 * Fixed conflict with defined type in MySQL
242 * Added memcached_result_st structure and functions to manipulate it.
244 0.7 Tue Oct 30 09:24:05 PDT 2007
245 * Poved to poll() from select()
246 * Fixes in internal string class for allocation of large numbers of
248 * memcached_mget() function now sends keys as it parses them instead of
249 building strings as it goes.
250 * Propper flush now for making sure we get all IO sent even when in
252 * Added --enable-debug rule for configure
253 * All asserts() removed (hey this is going into production!)
256 0.6 Wed Oct 17 08:41:35 PDT 2007
257 * get value returns are now null terminated (request by Cal Heldenbrand)
258 * Fixed connections for more hosts then two.
259 * Rewrite of the read/write IO systems to handle different sorts of host
261 * Added man pages for all functions and tools
262 * Raised buffer size for readinng/writing to 16K
263 * You can now optionally set the socket size for recv/send via
264 memached_behavior_set/get.
266 0.5 Tue Oct 9 00:22:25 PDT 2007
267 * Ruby maintainer mentioned TCP_NODELAY patch he had added. Added this to C
268 library as well. (Eric Hodel drbrain@segment7.net)
269 * Added support script for set_benchmark
270 * Updated memslap to allow testing of TCP_NODELAY
271 * Updated memslap to support --flush (aka dump memcache servers before
273 * Fixed bug in multiple hosts not being activated
274 * Added environmental variable MEMCACHED_SERVERS which can be used to
275 set the servers list.
276 * fixed memcached_stat method (and now memstat works)
277 * server connect now happens on demand.
278 * Help for all command line applications
280 0.4 Wed Oct 3 10:28:50 PDT 2007
281 * Added buffered IO to write calls for keys
282 * Added buffered IO for reads
283 * memstat was broken (bad if/else on connect)
284 * New non-blocking IO (not default yet). Mucho faster
285 * Refactor of test system.
286 * memslap crash solved
288 0.3 Mon Oct 1 06:37:52 PDT 2007
289 * Jeff Fisher <guppy@techmonkeys.org> provided a spec file
290 * Added "make rpm" around dist file
291 * Added support for Solaris
292 * Added support for DTrace
293 * Fixed read to be recv and write to be send
294 * Bug fix where memstat would core if no server was found
295 * Added memslap tool (load generator)
296 * Numerous bug fixes in library
297 * Added calls to library for creating host lists (see
298 text cases to understand how to use this).
300 0.2 Thu Sep 27 03:46:57 PDT 2007
301 * First public version
projects / awesomized / libmemcached / blob