Updating for version .32
[awesomized/libmemcached] / ChangeLog
1 0.32 Tue Sep 15 15:49:09 PDT 2009
2 * Change of behavior where linger is only modified for no-block and then
3 it is set to zero.
4 * Added Twitter's memcached_server_error() functions.
5 * Fix for OSX compiles in development builds.
6 * Updated C++ interface.
7 * Updated memcached_mget and memcached_mget_by_key to take a size_t
8 as a parameter instead of an unsigned int for number_of_keys.
9
10 0.31 Fri Jul 10 09:02:50 PDT 2009
11 * Added support or HA via replication.
12 * malloc() removed for server key usage.
13 * Update build system.
14 * Added support for memcached_set_memory_allocators().
15 * Fixed bug in configure.ac for have_htoll.
16
17 0.30 Sun May 31 17:31:52 PDT 2009
18 * Added memcachd_dump command (and framework for memdump tool).
19 * Realigned all structures to remove padding (and line up important bits for 64bit caches.
20 * Remove some of sprintf() in storage calls().
21 * Removed printf() in stat call for unknown stat member.
22 * memcached_generate_hash() function added.
23 * Added tests to make sure all hash functions are stable.
24
25 0.29 Tue May 19 08:26:48 PDT 2009
26 * Fixed malloc usage to calloc for spots where we need zero filled memory.
27 * All code warnings now treated as errors.
28 * Fixes for debian packaging.
29 * Added new pooling mechanism.
30 * MEMCACHED_BEHAVIOR_NO_BLOCK no longer also sets MEMCACHED_BEHAVIOR_BUFFER_REQUESTS.
31 * Updated generic rpm.
32
33 0.28 Tue Apr 14 18:56:28 PDT 2009
34 * Fixed bug in init sructure (reapplied)
35 * Fixed bug in get/set by key (nikkhils@gmail.com)
36
37 0.27 Sun Mar 29 22:33:01 PDT 2009
38 * Added new UDP fire-forget mode.
39 * Reworked performance for mget() to better make use of async protocol
40 * Cleaned up execution of fetch (just one set of code now)
41 * Fixed Jenkin's for big endian hosts.
42 * Updates for memstat to determine network latency.
43 * Updates for binary protocol.
44 * Many updates to documentation.
45
46 0.26 Thu Jan 29 13:05:50 PST 2009
47 * Fix for decrement on hash key
48 * Fixed assert that was catching bad memset() call in host_reset()
49 * Fix purge issue for blocked IO which has been stacked.
50
51 0.25 Fri Nov 28 09:59:35 PST 2008
52 * Jenkins HASH added.
53 * Update of Murmur hash code
54 * Support explicit weights (Robey Pointer, Evan Weaver)
55 * Bugfix for ketama continuum (Robey Pointer)
56 * New behavior MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY (Robey Pointer)
57 * Don't ever call stats for weighting servers, because it is unstable.
58
59 0.24 Tue Sep 16 02:59:03 PDT 2008 (never released)
60 * Cleanup compile warnings.
61 * Fix issues in partitioning by keys.
62 * Fixed "fail case" to make sure when calling memcached_clone() no
63 memcached_st is over written.
64 * New memcached_server_by_key() method for finding a server from
65 a key.
66 * memcached_server_free() was added for freeing server structures.
67
68
69 0.23 Sun Sep 7 08:13:59 PDT 2008
70 * Added strings.h header for Solaris 9
71 * Solaris 64bit fix.
72 * Support for weighted Ketama from Yin Chen.
73 * Fix for Chinese
74 * Fix for 0 length key to trigger bad key.
75 * Added behaviors MEMCACHED_BEHAVIOR_SND_TIMEOUT, MEMCACHED_BEHAVIOR_RCV_TIMEOUT
76 * Support for Binary Protocol added
77
78 0.22 Mon Jul 14 09:24:11 PDT 2008
79 * Fix where master key was no being checked for "bad key"
80 * Fixed bugs in stats output (thread output was wrong)
81 * Clarified MEMCACHED_BAD_KEY_PROVIDED is return for bad prefix key.
82 * Found a bug in Flags return (Jacek Ostrowski)
83 * Fixed issue with compiling on Visual Studio
84
85 0.21 Fri May 23 18:34:09 PDT 2008
86 * Change of char * to const char * for all key based functions.
87 * New MEMCACHED_CALLBACK_PREFIX_KEY added. You can now create domains for
88 values.
89 * Fixed bug introducd in last version on memcp
90 * Fix for death of file io to call shutdown()
91
92 0.20 Mon May 5 08:34:26 PDT 2008
93 * New consistent distribution tests.
94 * Found a memory leak when a server constantly fails.
95 * Fix in watchpoint macro
96 * Changed default timeout to 1 second for poll timeouts
97 * Wheel uses less memory/dynamic allocation for size (no longer limited to
98 512 hosts by default.
99 * memslap memory leak fix
100 * Added Ketama distribution
101 * Fix assert.h compile problem on CentOS
102
103 0.19 Wed Apr 9 09:30:53 PDT 2008
104 * Documentation fix in libmemcached.
105 * Fixed bug where sort was always occuring on hosts
106 * Logic fix in branch prediction (thanks Jay!)
107 * Read through cached support.
108 * Fixed for cas by key operation.
109 * Fix for memcached_server_st list structures to have correct count.
110 * Added callback MEMCACHED_CALLBACK_DELETE_TRIGGER
111 * Removed function call in favor of macro (aka cut out some instructions)
112
113
114 0.18 Sun Mar 16 21:57:55 PDT 2008
115 * Fix plus tests for non-zero value objects and flags.
116 * MEMCACHED_HASH_MURMUR added for murmur algorithm provided.
117 * MEMCACHED_BEHAVIOR_RETRY_TIMEOUT added to keep connecting from looping
118 on timeout.
119 * gcc branch prediction optimizations
120 * Refactored entire tree to make include files cleaner
121 * Fixed leaked socket.
122
123 0.17 Wed Feb 27 03:33:29 PST 2008
124 * MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT added for connect timeout in
125 non-block mode.
126 * Incompatible change in memcached_behavior_set() api. We now use a
127 uint64_t, instead of a pointer.
128 * Fix for storage of values for zero.
129 * memcached_server_cursor() function added to API for cycling through servers.
130
131 0.16 Mon Feb 18 00:30:25 PST 2008
132 * Work on the UDP protocol
133 * Added get_by_key, set_by_key tests for C++ API
134 * Fix for limit_maxbytes to be 64bit in stats
135 * Added Atom Smasher test (scale baby, scale!)
136 * Servers are now sorted, meaning that servers are now ordered so that
137 clients with the same lists, will have same distribution. (Idea from
138 Ross McFarland). MEMCACHED_BEHAVIOR_SORT_HOSTS was added to enable
139 this support.
140 * Added MEMCACHED_BAD_KEY_PROVIDED error for auto, set, and get operations.
141 MEMCACHED_BEHAVIOR_VERIFY_KEY was added to enable this feature.
142 * More error messages on command line tools.
143 * Fixed bugs in memcached_cas() operator.
144 * Fix to loop through interfaces
145
146 0.15 Tue Jan 29 14:55:44 PST 2008
147 * More work on the C++ API.
148 * Bug fixes around block corner cases.
149 * Slight performance increase in both read() and write().
150
151 0.14 Tue Jan 22 06:21:49 PST 2008
152 * For for bug found by Evan Weaver where increment() was not returning
153 propper error of value was not found.
154 * Fix for bad null pointer on flag by Toru Maesaka.
155 * Refactor of all IO to just pass in the active server
156 * Problem configuring (PKG_CHECK_MODULES) fixed by removal of "rpath" in
157 support/libmemcached.pc.in (Thanks to Ross McFarland).
158 * Added memcached_callback_get()/set()
159 * First prototype of C++ interface
160 * Updated docs for uint16_t changes in previous release
161
162 0.13 Sun Jan 13 06:51:50 PST 2008
163 * MEMCACHED_BEHAVIOR_USER_DATA added to store user pointer.
164 * Fix for failure to connect to invalidate socket.
165 * Patch from Marc Rossi to add --hash option for memcp, memrm, and memcat.
166 * Kevin's patch for fixing EOF issues during a read.
167 * Toru Maesaka patch for stats mismatch
168 * Fix for when CRC return 0
169 * Fixed uint16_t issues around flags. Turns out the documentation on the
170 protocol was wrong.
171 * Lingering socket fixes for FreeBSD.
172 * Patches from Kevin Dalley for FreeBSD 4.0
173 * Added multi delete functions.
174 * All get key returns have C style null termination
175 * If memcached_server_list_append is passed NULLs instead of pointers it
176 returns NULL.
177 * Added memcached_fetch_execute() method
178 * Found a bug where memcached_fetch() was not null terminating the result
179 value.
180 * memcached_behavior() now has the ability to set "buffering" so that
181 data is not automatically flushed.
182 * Behavior change, buffered commands now return MEMCACHED_BUFFERED
183
184 0.12 Tue Dec 11 15:20:55 PST 2007
185 * Updates for consistent hashing
186 * IPV6 support
187 * Static allocation for hostname (performance)
188 * Fixed bug where in non-block mode all data might not have been sent on
189 close().
190 * Refactor of memcached_get() to use common code.
191 * Change in value fetch, MEMCACHED_END is now returned when keys are no
192 longer in the pipe.
193 * Fixed bug where key could be out of range of characters
194 * Added _by_key() methods to allow partitioning of values to particular
195 servers.
196 * MEMCACHED_DEFAILT_TIMEOUT is now set to a non -1 value.
197 * Performance improvements in get operations.
198
199 0.11 Mon Nov 26 01:05:52 PST 2007
200 * Added option to memcache_behavior_set() so that poll() can be timed out.
201 * Fixed memory leak in case of using memcached_fetch_result() where no
202 value was returned.
203 * Bug fixed in memcached_connect() which would cause servers that
204 did not need to be enabled to be enabled (performance issue).
205 * Rewrote bounds checking code for get calls.
206 * "make test" now starts its own memcached servers.
207 * Added Hseih hash (MEMCACHED_HASH_HSIEH), which is showing about 7%
208 performance over standard hash.
209
210 0.10 Tue Nov 20 23:22:31 PST 2007
211 * Added append binary test.
212 * Added MEMCACHED_BEHAVIOR_CACHE_LOOKUPS behavior so that you can save on
213 multiple DNS lookups.
214 * Added CAS support, though this is optional and must be enabled during
215 runtime.
216 * Added the utility memerror to create human readable error strings
217 from memcached errors (aka convert ints to strings)
218 * Fixed type in MEMCACHED_HOST_LOOKUP_FAILURE
219 * Fixed bug where hostname might not be null terminated
220 * Moved to using gethostbyname_r() on Linux to solve thread safety issue
221 * Added -rpath support for pkg-config
222 * Documentation fix for hash setting using memcached_behavior_set()
223
224 0.9 Thu Nov 15 07:44:00 PST 2007
225 * fix for when no servers are definied.
226 * different buffers are now kept for different connections to
227 speed up async efforts
228 * Modified increment/decrement functions to return uint64_t values
229 * Fixed bug in cases where zero length keys were provided
230 * Thread cleanup issue in memslap
231 * No hostname lookup on reconnect
232 * Fix for flag settings (was doing hex by accident!)
233 * Support for 1.2.4 server additions "prepend" and "append" added.
234 * Added memcached_version()... not sure if I will make this public
235 or not.
236
237 0.8 Mon Nov 5 10:40:41 PST 2007
238 * Adding support for CRC hash method
239 * Adding support for UNIX sockets
240 * Added additional HASHing methods of FNV1_64,FNV1A_64, FNV1_32, FNV1A_32
241 * Added pkgconfig support (PKG_CHECK_MODULES)
242 * Fixed conflict with defined type in MySQL
243 * Added memcached_result_st structure and functions to manipulate it.
244
245 0.7 Tue Oct 30 09:24:05 PDT 2007
246 * Poved to poll() from select()
247 * Fixes in internal string class for allocation of large numbers of
248 strings.
249 * memcached_mget() function now sends keys as it parses them instead of
250 building strings as it goes.
251 * Propper flush now for making sure we get all IO sent even when in
252 non-block mode.
253 * Added --enable-debug rule for configure
254 * All asserts() removed (hey this is going into production!)
255
256
257 0.6 Wed Oct 17 08:41:35 PDT 2007
258 * get value returns are now null terminated (request by Cal Heldenbrand)
259 * Fixed connections for more hosts then two.
260 * Rewrite of the read/write IO systems to handle different sorts of host
261 failures.
262 * Added man pages for all functions and tools
263 * Raised buffer size for readinng/writing to 16K
264 * You can now optionally set the socket size for recv/send via
265 memached_behavior_set/get.
266
267 0.5 Tue Oct 9 00:22:25 PDT 2007
268 * Ruby maintainer mentioned TCP_NODELAY patch he had added. Added this to C
269 library as well. (Eric Hodel drbrain@segment7.net)
270 * Added support script for set_benchmark
271 * Updated memslap to allow testing of TCP_NODELAY
272 * Updated memslap to support --flush (aka dump memcache servers before
273 testing)
274 * Fixed bug in multiple hosts not being activated
275 * Added environmental variable MEMCACHED_SERVERS which can be used to
276 set the servers list.
277 * fixed memcached_stat method (and now memstat works)
278 * server connect now happens on demand.
279 * Help for all command line applications
280
281 0.4 Wed Oct 3 10:28:50 PDT 2007
282 * Added buffered IO to write calls for keys
283 * Added buffered IO for reads
284 * memstat was broken (bad if/else on connect)
285 * New non-blocking IO (not default yet). Mucho faster
286 * Refactor of test system.
287 * memslap crash solved
288
289 0.3 Mon Oct 1 06:37:52 PDT 2007
290 * Jeff Fisher <guppy@techmonkeys.org> provided a spec file
291 * Added "make rpm" around dist file
292 * Added support for Solaris
293 * Added support for DTrace
294 * Fixed read to be recv and write to be send
295 * Bug fix where memstat would core if no server was found
296 * Added memslap tool (load generator)
297 * Numerous bug fixes in library
298 * Added calls to library for creating host lists (see
299 text cases to understand how to use this).
300
301 0.2 Thu Sep 27 03:46:57 PDT 2007
302 * First public version
303