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