1 0.27 Sun Mar 29 22:33:01 PDT 2009
2 * Added new UDP fire-forget mode.
3 * Reworked performance for mget() to better make use of async protocol
4 * Cleaned up execution of fetch (just one set of code now)
5 * Fixed Jenkin's for big endian hosts.
6 * Updates for memstat to determine network latency.
7 * Updates for binary protocol.
8 * Many updates to documentation.
10 0.26 Thu Jan 29 13:05:50 PST 2009
11 * Fix for decrement on hash key
12 * Fixed assert that was catching bad memset() call in host_reset()
13 * Fix purge issue for blocked IO which has been stacked.
15 0.25 Fri Nov 28 09:59:35 PST 2008
17 * Update of Murmur hash code
18 * Support explicit weights (Robey Pointer, Evan Weaver)
19 * Bugfix for ketama continuum (Robey Pointer)
20 * New behavior MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY (Robey Pointer)
21 * Don't ever call stats for weighting servers, because it is unstable.
23 0.24 Tue Sep 16 02:59:03 PDT 2008 (never released)
24 * Cleanup compile warnings.
25 * Fix issues in partitioning by keys.
26 * Fixed "fail case" to make sure when calling memcached_clone() no
27 memcached_st is over written.
28 * New memcached_server_by_key() method for finding a server from
30 * memcached_server_free() was added for freeing server structures.
33 0.23 Sun Sep 7 08:13:59 PDT 2008
34 * Added strings.h header for Solaris 9
36 * Support for weighted Ketama from Yin Chen.
38 * Fix for 0 length key to trigger bad key.
39 * Added behaviors MEMCACHED_BEHAVIOR_SND_TIMEOUT, MEMCACHED_BEHAVIOR_RCV_TIMEOUT
40 * Support for Binary Protocol added
42 0.22 Mon Jul 14 09:24:11 PDT 2008
43 * Fix where master key was no being checked for "bad key"
44 * Fixed bugs in stats output (thread output was wrong)
45 * Clarified MEMCACHED_BAD_KEY_PROVIDED is return for bad prefix key.
46 * Found a bug in Flags return (Jacek Ostrowski)
47 * Fixed issue with compiling on Visual Studio
49 0.21 Fri May 23 18:34:09 PDT 2008
50 * Change of char * to const char * for all key based functions.
51 * New MEMCACHED_CALLBACK_PREFIX_KEY added. You can now create domains for
53 * Fixed bug introducd in last version on memcp
54 * Fix for death of file io to call shutdown()
56 0.20 Mon May 5 08:34:26 PDT 2008
57 * New consistent distribution tests.
58 * Found a memory leak when a server constantly fails.
59 * Fix in watchpoint macro
60 * Changed default timeout to 1 second for poll timeouts
61 * Wheel uses less memory/dynamic allocation for size (no longer limited to
63 * memslap memory leak fix
64 * Added Ketama distribution
65 * Fix assert.h compile problem on CentOS
67 0.19 Wed Apr 9 09:30:53 PDT 2008
68 * Documentation fix in libmemcached.
69 * Fixed bug where sort was always occuring on hosts
70 * Logic fix in branch prediction (thanks Jay!)
71 * Read through cached support.
72 * Fixed for cas by key operation.
73 * Fix for memcached_server_st list structures to have correct count.
74 * Added callback MEMCACHED_CALLBACK_DELETE_TRIGGER
75 * Removed function call in favor of macro (aka cut out some instructions)
78 0.18 Sun Mar 16 21:57:55 PDT 2008
79 * Fix plus tests for non-zero value objects and flags.
80 * MEMCACHED_HASH_MURMUR added for murmur algorithm provided.
81 * MEMCACHED_BEHAVIOR_RETRY_TIMEOUT added to keep connecting from looping
83 * gcc branch prediction optimizations
84 * Refactored entire tree to make include files cleaner
85 * Fixed leaked socket.
87 0.17 Wed Feb 27 03:33:29 PST 2008
88 * MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT added for connect timeout in
90 * Incompatible change in memcached_behavior_set() api. We now use a
91 uint64_t, instead of a pointer.
92 * Fix for storage of values for zero.
93 * memcached_server_cursor() function added to API for cycling through servers.
95 0.16 Mon Feb 18 00:30:25 PST 2008
96 * Work on the UDP protocol
97 * Added get_by_key, set_by_key tests for C++ API
98 * Fix for limit_maxbytes to be 64bit in stats
99 * Added Atom Smasher test (scale baby, scale!)
100 * Servers are now sorted, meaning that servers are now ordered so that
101 clients with the same lists, will have same distribution. (Idea from
102 Ross McFarland). MEMCACHED_BEHAVIOR_SORT_HOSTS was added to enable
104 * Added MEMCACHED_BAD_KEY_PROVIDED error for auto, set, and get operations.
105 MEMCACHED_BEHAVIOR_VERIFY_KEY was added to enable this feature.
106 * More error messages on command line tools.
107 * Fixed bugs in memcached_cas() operator.
108 * Fix to loop through interfaces
110 0.15 Tue Jan 29 14:55:44 PST 2008
111 * More work on the C++ API.
112 * Bug fixes around block corner cases.
113 * Slight performance increase in both read() and write().
115 0.14 Tue Jan 22 06:21:49 PST 2008
116 * For for bug found by Evan Weaver where increment() was not returning
117 propper error of value was not found.
118 * Fix for bad null pointer on flag by Toru Maesaka.
119 * Refactor of all IO to just pass in the active server
120 * Problem configuring (PKG_CHECK_MODULES) fixed by removal of "rpath" in
121 support/libmemcached.pc.in (Thanks to Ross McFarland).
122 * Added memcached_callback_get()/set()
123 * First prototype of C++ interface
124 * Updated docs for uint16_t changes in previous release
126 0.13 Sun Jan 13 06:51:50 PST 2008
127 * MEMCACHED_BEHAVIOR_USER_DATA added to store user pointer.
128 * Fix for failure to connect to invalidate socket.
129 * Patch from Marc Rossi to add --hash option for memcp, memrm, and memcat.
130 * Kevin's patch for fixing EOF issues during a read.
131 * Toru Maesaka patch for stats mismatch
132 * Fix for when CRC return 0
133 * Fixed uint16_t issues around flags. Turns out the documentation on the
135 * Lingering socket fixes for FreeBSD.
136 * Patches from Kevin Dalley for FreeBSD 4.0
137 * Added multi delete functions.
138 * All get key returns have C style null termination
139 * If memcached_server_list_append is passed NULLs instead of pointers it
141 * Added memcached_fetch_execute() method
142 * Found a bug where memcached_fetch() was not null terminating the result
144 * memcached_behavior() now has the ability to set "buffering" so that
145 data is not automatically flushed.
146 * Behavior change, buffered commands now return MEMCACHED_BUFFERED
148 0.12 Tue Dec 11 15:20:55 PST 2007
149 * Updates for consistent hashing
151 * Static allocation for hostname (performance)
152 * Fixed bug where in non-block mode all data might not have been sent on
154 * Refactor of memcached_get() to use common code.
155 * Change in value fetch, MEMCACHED_END is now returned when keys are no
157 * Fixed bug where key could be out of range of characters
158 * Added _by_key() methods to allow partitioning of values to particular
160 * MEMCACHED_DEFAILT_TIMEOUT is now set to a non -1 value.
161 * Performance improvements in get operations.
163 0.11 Mon Nov 26 01:05:52 PST 2007
164 * Added option to memcache_behavior_set() so that poll() can be timed out.
165 * Fixed memory leak in case of using memcached_fetch_result() where no
167 * Bug fixed in memcached_connect() which would cause servers that
168 did not need to be enabled to be enabled (performance issue).
169 * Rewrote bounds checking code for get calls.
170 * "make test" now starts its own memcached servers.
171 * Added Hseih hash (MEMCACHED_HASH_HSIEH), which is showing about 7%
172 performance over standard hash.
174 0.10 Tue Nov 20 23:22:31 PST 2007
175 * Added append binary test.
176 * Added MEMCACHED_BEHAVIOR_CACHE_LOOKUPS behavior so that you can save on
177 multiple DNS lookups.
178 * Added CAS support, though this is optional and must be enabled during
180 * Added the utility memerror to create human readable error strings
181 from memcached errors (aka convert ints to strings)
182 * Fixed type in MEMCACHED_HOST_LOOKUP_FAILURE
183 * Fixed bug where hostname might not be null terminated
184 * Moved to using gethostbyname_r() on Linux to solve thread safety issue
185 * Added -rpath support for pkg-config
186 * Documentation fix for hash setting using memcached_behavior_set()
188 0.9 Thu Nov 15 07:44:00 PST 2007
189 * fix for when no servers are definied.
190 * different buffers are now kept for different connections to
191 speed up async efforts
192 * Modified increment/decrement functions to return uint64_t values
193 * Fixed bug in cases where zero length keys were provided
194 * Thread cleanup issue in memslap
195 * No hostname lookup on reconnect
196 * Fix for flag settings (was doing hex by accident!)
197 * Support for 1.2.4 server additions "prepend" and "append" added.
198 * Added memcached_version()... not sure if I will make this public
201 0.8 Mon Nov 5 10:40:41 PST 2007
202 * Adding support for CRC hash method
203 * Adding support for UNIX sockets
204 * Added additional HASHing methods of FNV1_64,FNV1A_64, FNV1_32, FNV1A_32
205 * Added pkgconfig support (PKG_CHECK_MODULES)
206 * Fixed conflict with defined type in MySQL
207 * Added memcached_result_st structure and functions to manipulate it.
209 0.7 Tue Oct 30 09:24:05 PDT 2007
210 * Poved to poll() from select()
211 * Fixes in internal string class for allocation of large numbers of
213 * memcached_mget() function now sends keys as it parses them instead of
214 building strings as it goes.
215 * Propper flush now for making sure we get all IO sent even when in
217 * Added --enable-debug rule for configure
218 * All asserts() removed (hey this is going into production!)
221 0.6 Wed Oct 17 08:41:35 PDT 2007
222 * get value returns are now null terminated (request by Cal Heldenbrand)
223 * Fixed connections for more hosts then two.
224 * Rewrite of the read/write IO systems to handle different sorts of host
226 * Added man pages for all functions and tools
227 * Raised buffer size for readinng/writing to 16K
228 * You can now optionally set the socket size for recv/send via
229 memached_behavior_set/get.
231 0.5 Tue Oct 9 00:22:25 PDT 2007
232 * Ruby maintainer mentioned TCP_NODELAY patch he had added. Added this to C
233 library as well. (Eric Hodel drbrain@segment7.net)
234 * Added support script for set_benchmark
235 * Updated memslap to allow testing of TCP_NODELAY
236 * Updated memslap to support --flush (aka dump memcache servers before
238 * Fixed bug in multiple hosts not being activated
239 * Added environmental variable MEMCACHED_SERVERS which can be used to
240 set the servers list.
241 * fixed memcached_stat method (and now memstat works)
242 * server connect now happens on demand.
243 * Help for all command line applications
245 0.4 Wed Oct 3 10:28:50 PDT 2007
246 * Added buffered IO to write calls for keys
247 * Added buffered IO for reads
248 * memstat was broken (bad if/else on connect)
249 * New non-blocking IO (not default yet). Mucho faster
250 * Refactor of test system.
251 * memslap crash solved
253 0.3 Mon Oct 1 06:37:52 PDT 2007
254 * Jeff Fisher <guppy@techmonkeys.org> provided a spec file
255 * Added "make rpm" around dist file
256 * Added support for Solaris
257 * Added support for DTrace
258 * Fixed read to be recv and write to be send
259 * Bug fix where memstat would core if no server was found
260 * Added memslap tool (load generator)
261 * Numerous bug fixes in library
262 * Added calls to library for creating host lists (see
263 text cases to understand how to use this).
265 0.2 Thu Sep 27 03:46:57 PDT 2007
266 * First public version
projects / awesomized / libmemcached / blob