2 * Added memcapable to test servers for binary compatibility.
4 0.32 Tue Sep 15 15:49:09 PDT 2009
5 * Change of behavior where linger is only modified for no-block and then
7 * Added Twitter's memcached_server_error() functions.
8 * Fix for OSX compiles in development builds.
9 * Updated C++ interface.
10 * Updated memcached_mget and memcached_mget_by_key to take a size_t
11 as a parameter instead of an unsigned int for number_of_keys.
13 0.31 Fri Jul 10 09:02:50 PDT 2009
14 * Added support or HA via replication.
15 * malloc() removed for server key usage.
16 * Update build system.
17 * Added support for memcached_set_memory_allocators().
18 * Fixed bug in configure.ac for have_htoll.
20 0.30 Sun May 31 17:31:52 PDT 2009
21 * Added memcachd_dump command (and framework for memdump tool).
22 * Realigned all structures to remove padding (and line up important bits for 64bit caches.
23 * Remove some of sprintf() in storage calls().
24 * Removed printf() in stat call for unknown stat member.
25 * memcached_generate_hash() function added.
26 * Added tests to make sure all hash functions are stable.
28 0.29 Tue May 19 08:26:48 PDT 2009
29 * Fixed malloc usage to calloc for spots where we need zero filled memory.
30 * All code warnings now treated as errors.
31 * Fixes for debian packaging.
32 * Added new pooling mechanism.
33 * MEMCACHED_BEHAVIOR_NO_BLOCK no longer also sets MEMCACHED_BEHAVIOR_BUFFER_REQUESTS.
34 * Updated generic rpm.
36 0.28 Tue Apr 14 18:56:28 PDT 2009
37 * Fixed bug in init sructure (reapplied)
38 * Fixed bug in get/set by key (nikkhils@gmail.com)
40 0.27 Sun Mar 29 22:33:01 PDT 2009
41 * Added new UDP fire-forget mode.
42 * Reworked performance for mget() to better make use of async protocol
43 * Cleaned up execution of fetch (just one set of code now)
44 * Fixed Jenkin's for big endian hosts.
45 * Updates for memstat to determine network latency.
46 * Updates for binary protocol.
47 * Many updates to documentation.
49 0.26 Thu Jan 29 13:05:50 PST 2009
50 * Fix for decrement on hash key
51 * Fixed assert that was catching bad memset() call in host_reset()
52 * Fix purge issue for blocked IO which has been stacked.
54 0.25 Fri Nov 28 09:59:35 PST 2008
56 * Update of Murmur hash code
57 * Support explicit weights (Robey Pointer, Evan Weaver)
58 * Bugfix for ketama continuum (Robey Pointer)
59 * New behavior MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY (Robey Pointer)
60 * Don't ever call stats for weighting servers, because it is unstable.
62 0.24 Tue Sep 16 02:59:03 PDT 2008 (never released)
63 * Cleanup compile warnings.
64 * Fix issues in partitioning by keys.
65 * Fixed "fail case" to make sure when calling memcached_clone() no
66 memcached_st is over written.
67 * New memcached_server_by_key() method for finding a server from
69 * memcached_server_free() was added for freeing server structures.
72 0.23 Sun Sep 7 08:13:59 PDT 2008
73 * Added strings.h header for Solaris 9
75 * Support for weighted Ketama from Yin Chen.
77 * Fix for 0 length key to trigger bad key.
78 * Added behaviors MEMCACHED_BEHAVIOR_SND_TIMEOUT, MEMCACHED_BEHAVIOR_RCV_TIMEOUT
79 * Support for Binary Protocol added
81 0.22 Mon Jul 14 09:24:11 PDT 2008
82 * Fix where master key was no being checked for "bad key"
83 * Fixed bugs in stats output (thread output was wrong)
84 * Clarified MEMCACHED_BAD_KEY_PROVIDED is return for bad prefix key.
85 * Found a bug in Flags return (Jacek Ostrowski)
86 * Fixed issue with compiling on Visual Studio
88 0.21 Fri May 23 18:34:09 PDT 2008
89 * Change of char * to const char * for all key based functions.
90 * New MEMCACHED_CALLBACK_PREFIX_KEY added. You can now create domains for
92 * Fixed bug introducd in last version on memcp
93 * Fix for death of file io to call shutdown()
95 0.20 Mon May 5 08:34:26 PDT 2008
96 * New consistent distribution tests.
97 * Found a memory leak when a server constantly fails.
98 * Fix in watchpoint macro
99 * Changed default timeout to 1 second for poll timeouts
100 * Wheel uses less memory/dynamic allocation for size (no longer limited to
101 512 hosts by default.
102 * memslap memory leak fix
103 * Added Ketama distribution
104 * Fix assert.h compile problem on CentOS
106 0.19 Wed Apr 9 09:30:53 PDT 2008
107 * Documentation fix in libmemcached.
108 * Fixed bug where sort was always occuring on hosts
109 * Logic fix in branch prediction (thanks Jay!)
110 * Read through cached support.
111 * Fixed for cas by key operation.
112 * Fix for memcached_server_st list structures to have correct count.
113 * Added callback MEMCACHED_CALLBACK_DELETE_TRIGGER
114 * Removed function call in favor of macro (aka cut out some instructions)
117 0.18 Sun Mar 16 21:57:55 PDT 2008
118 * Fix plus tests for non-zero value objects and flags.
119 * MEMCACHED_HASH_MURMUR added for murmur algorithm provided.
120 * MEMCACHED_BEHAVIOR_RETRY_TIMEOUT added to keep connecting from looping
122 * gcc branch prediction optimizations
123 * Refactored entire tree to make include files cleaner
124 * Fixed leaked socket.
126 0.17 Wed Feb 27 03:33:29 PST 2008
127 * MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT added for connect timeout in
129 * Incompatible change in memcached_behavior_set() api. We now use a
130 uint64_t, instead of a pointer.
131 * Fix for storage of values for zero.
132 * memcached_server_cursor() function added to API for cycling through servers.
134 0.16 Mon Feb 18 00:30:25 PST 2008
135 * Work on the UDP protocol
136 * Added get_by_key, set_by_key tests for C++ API
137 * Fix for limit_maxbytes to be 64bit in stats
138 * Added Atom Smasher test (scale baby, scale!)
139 * Servers are now sorted, meaning that servers are now ordered so that
140 clients with the same lists, will have same distribution. (Idea from
141 Ross McFarland). MEMCACHED_BEHAVIOR_SORT_HOSTS was added to enable
143 * Added MEMCACHED_BAD_KEY_PROVIDED error for auto, set, and get operations.
144 MEMCACHED_BEHAVIOR_VERIFY_KEY was added to enable this feature.
145 * More error messages on command line tools.
146 * Fixed bugs in memcached_cas() operator.
147 * Fix to loop through interfaces
149 0.15 Tue Jan 29 14:55:44 PST 2008
150 * More work on the C++ API.
151 * Bug fixes around block corner cases.
152 * Slight performance increase in both read() and write().
154 0.14 Tue Jan 22 06:21:49 PST 2008
155 * For for bug found by Evan Weaver where increment() was not returning
156 propper error of value was not found.
157 * Fix for bad null pointer on flag by Toru Maesaka.
158 * Refactor of all IO to just pass in the active server
159 * Problem configuring (PKG_CHECK_MODULES) fixed by removal of "rpath" in
160 support/libmemcached.pc.in (Thanks to Ross McFarland).
161 * Added memcached_callback_get()/set()
162 * First prototype of C++ interface
163 * Updated docs for uint16_t changes in previous release
165 0.13 Sun Jan 13 06:51:50 PST 2008
166 * MEMCACHED_BEHAVIOR_USER_DATA added to store user pointer.
167 * Fix for failure to connect to invalidate socket.
168 * Patch from Marc Rossi to add --hash option for memcp, memrm, and memcat.
169 * Kevin's patch for fixing EOF issues during a read.
170 * Toru Maesaka patch for stats mismatch
171 * Fix for when CRC return 0
172 * Fixed uint16_t issues around flags. Turns out the documentation on the
174 * Lingering socket fixes for FreeBSD.
175 * Patches from Kevin Dalley for FreeBSD 4.0
176 * Added multi delete functions.
177 * All get key returns have C style null termination
178 * If memcached_server_list_append is passed NULLs instead of pointers it
180 * Added memcached_fetch_execute() method
181 * Found a bug where memcached_fetch() was not null terminating the result
183 * memcached_behavior() now has the ability to set "buffering" so that
184 data is not automatically flushed.
185 * Behavior change, buffered commands now return MEMCACHED_BUFFERED
187 0.12 Tue Dec 11 15:20:55 PST 2007
188 * Updates for consistent hashing
190 * Static allocation for hostname (performance)
191 * Fixed bug where in non-block mode all data might not have been sent on
193 * Refactor of memcached_get() to use common code.
194 * Change in value fetch, MEMCACHED_END is now returned when keys are no
196 * Fixed bug where key could be out of range of characters
197 * Added _by_key() methods to allow partitioning of values to particular
199 * MEMCACHED_DEFAILT_TIMEOUT is now set to a non -1 value.
200 * Performance improvements in get operations.
202 0.11 Mon Nov 26 01:05:52 PST 2007
203 * Added option to memcache_behavior_set() so that poll() can be timed out.
204 * Fixed memory leak in case of using memcached_fetch_result() where no
206 * Bug fixed in memcached_connect() which would cause servers that
207 did not need to be enabled to be enabled (performance issue).
208 * Rewrote bounds checking code for get calls.
209 * "make test" now starts its own memcached servers.
210 * Added Hseih hash (MEMCACHED_HASH_HSIEH), which is showing about 7%
211 performance over standard hash.
213 0.10 Tue Nov 20 23:22:31 PST 2007
214 * Added append binary test.
215 * Added MEMCACHED_BEHAVIOR_CACHE_LOOKUPS behavior so that you can save on
216 multiple DNS lookups.
217 * Added CAS support, though this is optional and must be enabled during
219 * Added the utility memerror to create human readable error strings
220 from memcached errors (aka convert ints to strings)
221 * Fixed type in MEMCACHED_HOST_LOOKUP_FAILURE
222 * Fixed bug where hostname might not be null terminated
223 * Moved to using gethostbyname_r() on Linux to solve thread safety issue
224 * Added -rpath support for pkg-config
225 * Documentation fix for hash setting using memcached_behavior_set()
227 0.9 Thu Nov 15 07:44:00 PST 2007
228 * fix for when no servers are definied.
229 * different buffers are now kept for different connections to
230 speed up async efforts
231 * Modified increment/decrement functions to return uint64_t values
232 * Fixed bug in cases where zero length keys were provided
233 * Thread cleanup issue in memslap
234 * No hostname lookup on reconnect
235 * Fix for flag settings (was doing hex by accident!)
236 * Support for 1.2.4 server additions "prepend" and "append" added.
237 * Added memcached_version()... not sure if I will make this public
240 0.8 Mon Nov 5 10:40:41 PST 2007
241 * Adding support for CRC hash method
242 * Adding support for UNIX sockets
243 * Added additional HASHing methods of FNV1_64,FNV1A_64, FNV1_32, FNV1A_32
244 * Added pkgconfig support (PKG_CHECK_MODULES)
245 * Fixed conflict with defined type in MySQL
246 * Added memcached_result_st structure and functions to manipulate it.
248 0.7 Tue Oct 30 09:24:05 PDT 2007
249 * Poved to poll() from select()
250 * Fixes in internal string class for allocation of large numbers of
252 * memcached_mget() function now sends keys as it parses them instead of
253 building strings as it goes.
254 * Propper flush now for making sure we get all IO sent even when in
256 * Added --enable-debug rule for configure
257 * All asserts() removed (hey this is going into production!)
260 0.6 Wed Oct 17 08:41:35 PDT 2007
261 * get value returns are now null terminated (request by Cal Heldenbrand)
262 * Fixed connections for more hosts then two.
263 * Rewrite of the read/write IO systems to handle different sorts of host
265 * Added man pages for all functions and tools
266 * Raised buffer size for readinng/writing to 16K
267 * You can now optionally set the socket size for recv/send via
268 memached_behavior_set/get.
270 0.5 Tue Oct 9 00:22:25 PDT 2007
271 * Ruby maintainer mentioned TCP_NODELAY patch he had added. Added this to C
272 library as well. (Eric Hodel drbrain@segment7.net)
273 * Added support script for set_benchmark
274 * Updated memslap to allow testing of TCP_NODELAY
275 * Updated memslap to support --flush (aka dump memcache servers before
277 * Fixed bug in multiple hosts not being activated
278 * Added environmental variable MEMCACHED_SERVERS which can be used to
279 set the servers list.
280 * fixed memcached_stat method (and now memstat works)
281 * server connect now happens on demand.
282 * Help for all command line applications
284 0.4 Wed Oct 3 10:28:50 PDT 2007
285 * Added buffered IO to write calls for keys
286 * Added buffered IO for reads
287 * memstat was broken (bad if/else on connect)
288 * New non-blocking IO (not default yet). Mucho faster
289 * Refactor of test system.
290 * memslap crash solved
292 0.3 Mon Oct 1 06:37:52 PDT 2007
293 * Jeff Fisher <guppy@techmonkeys.org> provided a spec file
294 * Added "make rpm" around dist file
295 * Added support for Solaris
296 * Added support for DTrace
297 * Fixed read to be recv and write to be send
298 * Bug fix where memstat would core if no server was found
299 * Added memslap tool (load generator)
300 * Numerous bug fixes in library
301 * Added calls to library for creating host lists (see
302 text cases to understand how to use this).
304 0.2 Thu Sep 27 03:46:57 PDT 2007
305 * First public version