1 0.30 Sun May 31 17:31:52 PDT 2009
2 * Added memcachd_dump command (and framework for memdump tool).
3 * Realigned all structures to remove padding (and line up important bits for 64bit caches.
4 * Remove some of sprintf() in storage calls().
5 * Removed printf() in stat call for unknown stat member.
6 * memcached_generate_hash() function added.
7 * Added tests to make sure all hash functions are stable.
9 0.29 Tue May 19 08:26:48 PDT 2009
10 * Fixed malloc usage to calloc for spots where we need zero filled memory.
11 * All code warnings now treated as errors.
12 * Fixes for debian packaging.
13 * Added new pooling mechanism.
14 * MEMCACHED_BEHAVIOR_NO_BLOCK no longer also sets MEMCACHED_BEHAVIOR_BUFFER_REQUESTS.
15 * Updated generic rpm.
17 0.28 Tue Apr 14 18:56:28 PDT 2009
18 * Fixed bug in init sructure (reapplied)
19 * Fixed bug in get/set by key (nikkhils@gmail.com)
21 0.27 Sun Mar 29 22:33:01 PDT 2009
22 * Added new UDP fire-forget mode.
23 * Reworked performance for mget() to better make use of async protocol
24 * Cleaned up execution of fetch (just one set of code now)
25 * Fixed Jenkin's for big endian hosts.
26 * Updates for memstat to determine network latency.
27 * Updates for binary protocol.
28 * Many updates to documentation.
30 0.26 Thu Jan 29 13:05:50 PST 2009
31 * Fix for decrement on hash key
32 * Fixed assert that was catching bad memset() call in host_reset()
33 * Fix purge issue for blocked IO which has been stacked.
35 0.25 Fri Nov 28 09:59:35 PST 2008
37 * Update of Murmur hash code
38 * Support explicit weights (Robey Pointer, Evan Weaver)
39 * Bugfix for ketama continuum (Robey Pointer)
40 * New behavior MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY (Robey Pointer)
41 * Don't ever call stats for weighting servers, because it is unstable.
43 0.24 Tue Sep 16 02:59:03 PDT 2008 (never released)
44 * Cleanup compile warnings.
45 * Fix issues in partitioning by keys.
46 * Fixed "fail case" to make sure when calling memcached_clone() no
47 memcached_st is over written.
48 * New memcached_server_by_key() method for finding a server from
50 * memcached_server_free() was added for freeing server structures.
53 0.23 Sun Sep 7 08:13:59 PDT 2008
54 * Added strings.h header for Solaris 9
56 * Support for weighted Ketama from Yin Chen.
58 * Fix for 0 length key to trigger bad key.
59 * Added behaviors MEMCACHED_BEHAVIOR_SND_TIMEOUT, MEMCACHED_BEHAVIOR_RCV_TIMEOUT
60 * Support for Binary Protocol added
62 0.22 Mon Jul 14 09:24:11 PDT 2008
63 * Fix where master key was no being checked for "bad key"
64 * Fixed bugs in stats output (thread output was wrong)
65 * Clarified MEMCACHED_BAD_KEY_PROVIDED is return for bad prefix key.
66 * Found a bug in Flags return (Jacek Ostrowski)
67 * Fixed issue with compiling on Visual Studio
69 0.21 Fri May 23 18:34:09 PDT 2008
70 * Change of char * to const char * for all key based functions.
71 * New MEMCACHED_CALLBACK_PREFIX_KEY added. You can now create domains for
73 * Fixed bug introducd in last version on memcp
74 * Fix for death of file io to call shutdown()
76 0.20 Mon May 5 08:34:26 PDT 2008
77 * New consistent distribution tests.
78 * Found a memory leak when a server constantly fails.
79 * Fix in watchpoint macro
80 * Changed default timeout to 1 second for poll timeouts
81 * Wheel uses less memory/dynamic allocation for size (no longer limited to
83 * memslap memory leak fix
84 * Added Ketama distribution
85 * Fix assert.h compile problem on CentOS
87 0.19 Wed Apr 9 09:30:53 PDT 2008
88 * Documentation fix in libmemcached.
89 * Fixed bug where sort was always occuring on hosts
90 * Logic fix in branch prediction (thanks Jay!)
91 * Read through cached support.
92 * Fixed for cas by key operation.
93 * Fix for memcached_server_st list structures to have correct count.
94 * Added callback MEMCACHED_CALLBACK_DELETE_TRIGGER
95 * Removed function call in favor of macro (aka cut out some instructions)
98 0.18 Sun Mar 16 21:57:55 PDT 2008
99 * Fix plus tests for non-zero value objects and flags.
100 * MEMCACHED_HASH_MURMUR added for murmur algorithm provided.
101 * MEMCACHED_BEHAVIOR_RETRY_TIMEOUT added to keep connecting from looping
103 * gcc branch prediction optimizations
104 * Refactored entire tree to make include files cleaner
105 * Fixed leaked socket.
107 0.17 Wed Feb 27 03:33:29 PST 2008
108 * MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT added for connect timeout in
110 * Incompatible change in memcached_behavior_set() api. We now use a
111 uint64_t, instead of a pointer.
112 * Fix for storage of values for zero.
113 * memcached_server_cursor() function added to API for cycling through servers.
115 0.16 Mon Feb 18 00:30:25 PST 2008
116 * Work on the UDP protocol
117 * Added get_by_key, set_by_key tests for C++ API
118 * Fix for limit_maxbytes to be 64bit in stats
119 * Added Atom Smasher test (scale baby, scale!)
120 * Servers are now sorted, meaning that servers are now ordered so that
121 clients with the same lists, will have same distribution. (Idea from
122 Ross McFarland). MEMCACHED_BEHAVIOR_SORT_HOSTS was added to enable
124 * Added MEMCACHED_BAD_KEY_PROVIDED error for auto, set, and get operations.
125 MEMCACHED_BEHAVIOR_VERIFY_KEY was added to enable this feature.
126 * More error messages on command line tools.
127 * Fixed bugs in memcached_cas() operator.
128 * Fix to loop through interfaces
130 0.15 Tue Jan 29 14:55:44 PST 2008
131 * More work on the C++ API.
132 * Bug fixes around block corner cases.
133 * Slight performance increase in both read() and write().
135 0.14 Tue Jan 22 06:21:49 PST 2008
136 * For for bug found by Evan Weaver where increment() was not returning
137 propper error of value was not found.
138 * Fix for bad null pointer on flag by Toru Maesaka.
139 * Refactor of all IO to just pass in the active server
140 * Problem configuring (PKG_CHECK_MODULES) fixed by removal of "rpath" in
141 support/libmemcached.pc.in (Thanks to Ross McFarland).
142 * Added memcached_callback_get()/set()
143 * First prototype of C++ interface
144 * Updated docs for uint16_t changes in previous release
146 0.13 Sun Jan 13 06:51:50 PST 2008
147 * MEMCACHED_BEHAVIOR_USER_DATA added to store user pointer.
148 * Fix for failure to connect to invalidate socket.
149 * Patch from Marc Rossi to add --hash option for memcp, memrm, and memcat.
150 * Kevin's patch for fixing EOF issues during a read.
151 * Toru Maesaka patch for stats mismatch
152 * Fix for when CRC return 0
153 * Fixed uint16_t issues around flags. Turns out the documentation on the
155 * Lingering socket fixes for FreeBSD.
156 * Patches from Kevin Dalley for FreeBSD 4.0
157 * Added multi delete functions.
158 * All get key returns have C style null termination
159 * If memcached_server_list_append is passed NULLs instead of pointers it
161 * Added memcached_fetch_execute() method
162 * Found a bug where memcached_fetch() was not null terminating the result
164 * memcached_behavior() now has the ability to set "buffering" so that
165 data is not automatically flushed.
166 * Behavior change, buffered commands now return MEMCACHED_BUFFERED
168 0.12 Tue Dec 11 15:20:55 PST 2007
169 * Updates for consistent hashing
171 * Static allocation for hostname (performance)
172 * Fixed bug where in non-block mode all data might not have been sent on
174 * Refactor of memcached_get() to use common code.
175 * Change in value fetch, MEMCACHED_END is now returned when keys are no
177 * Fixed bug where key could be out of range of characters
178 * Added _by_key() methods to allow partitioning of values to particular
180 * MEMCACHED_DEFAILT_TIMEOUT is now set to a non -1 value.
181 * Performance improvements in get operations.
183 0.11 Mon Nov 26 01:05:52 PST 2007
184 * Added option to memcache_behavior_set() so that poll() can be timed out.
185 * Fixed memory leak in case of using memcached_fetch_result() where no
187 * Bug fixed in memcached_connect() which would cause servers that
188 did not need to be enabled to be enabled (performance issue).
189 * Rewrote bounds checking code for get calls.
190 * "make test" now starts its own memcached servers.
191 * Added Hseih hash (MEMCACHED_HASH_HSIEH), which is showing about 7%
192 performance over standard hash.
194 0.10 Tue Nov 20 23:22:31 PST 2007
195 * Added append binary test.
196 * Added MEMCACHED_BEHAVIOR_CACHE_LOOKUPS behavior so that you can save on
197 multiple DNS lookups.
198 * Added CAS support, though this is optional and must be enabled during
200 * Added the utility memerror to create human readable error strings
201 from memcached errors (aka convert ints to strings)
202 * Fixed type in MEMCACHED_HOST_LOOKUP_FAILURE
203 * Fixed bug where hostname might not be null terminated
204 * Moved to using gethostbyname_r() on Linux to solve thread safety issue
205 * Added -rpath support for pkg-config
206 * Documentation fix for hash setting using memcached_behavior_set()
208 0.9 Thu Nov 15 07:44:00 PST 2007
209 * fix for when no servers are definied.
210 * different buffers are now kept for different connections to
211 speed up async efforts
212 * Modified increment/decrement functions to return uint64_t values
213 * Fixed bug in cases where zero length keys were provided
214 * Thread cleanup issue in memslap
215 * No hostname lookup on reconnect
216 * Fix for flag settings (was doing hex by accident!)
217 * Support for 1.2.4 server additions "prepend" and "append" added.
218 * Added memcached_version()... not sure if I will make this public
221 0.8 Mon Nov 5 10:40:41 PST 2007
222 * Adding support for CRC hash method
223 * Adding support for UNIX sockets
224 * Added additional HASHing methods of FNV1_64,FNV1A_64, FNV1_32, FNV1A_32
225 * Added pkgconfig support (PKG_CHECK_MODULES)
226 * Fixed conflict with defined type in MySQL
227 * Added memcached_result_st structure and functions to manipulate it.
229 0.7 Tue Oct 30 09:24:05 PDT 2007
230 * Poved to poll() from select()
231 * Fixes in internal string class for allocation of large numbers of
233 * memcached_mget() function now sends keys as it parses them instead of
234 building strings as it goes.
235 * Propper flush now for making sure we get all IO sent even when in
237 * Added --enable-debug rule for configure
238 * All asserts() removed (hey this is going into production!)
241 0.6 Wed Oct 17 08:41:35 PDT 2007
242 * get value returns are now null terminated (request by Cal Heldenbrand)
243 * Fixed connections for more hosts then two.
244 * Rewrite of the read/write IO systems to handle different sorts of host
246 * Added man pages for all functions and tools
247 * Raised buffer size for readinng/writing to 16K
248 * You can now optionally set the socket size for recv/send via
249 memached_behavior_set/get.
251 0.5 Tue Oct 9 00:22:25 PDT 2007
252 * Ruby maintainer mentioned TCP_NODELAY patch he had added. Added this to C
253 library as well. (Eric Hodel drbrain@segment7.net)
254 * Added support script for set_benchmark
255 * Updated memslap to allow testing of TCP_NODELAY
256 * Updated memslap to support --flush (aka dump memcache servers before
258 * Fixed bug in multiple hosts not being activated
259 * Added environmental variable MEMCACHED_SERVERS which can be used to
260 set the servers list.
261 * fixed memcached_stat method (and now memstat works)
262 * server connect now happens on demand.
263 * Help for all command line applications
265 0.4 Wed Oct 3 10:28:50 PDT 2007
266 * Added buffered IO to write calls for keys
267 * Added buffered IO for reads
268 * memstat was broken (bad if/else on connect)
269 * New non-blocking IO (not default yet). Mucho faster
270 * Refactor of test system.
271 * memslap crash solved
273 0.3 Mon Oct 1 06:37:52 PDT 2007
274 * Jeff Fisher <guppy@techmonkeys.org> provided a spec file
275 * Added "make rpm" around dist file
276 * Added support for Solaris
277 * Added support for DTrace
278 * Fixed read to be recv and write to be send
279 * Bug fix where memstat would core if no server was found
280 * Added memslap tool (load generator)
281 * Numerous bug fixes in library
282 * Added calls to library for creating host lists (see
283 text cases to understand how to use this).
285 0.2 Thu Sep 27 03:46:57 PDT 2007
286 * First public version
projects / m6w6 / libmemcached / blob