3abd6452ee8eaad668ca02c4cb00f17425158a00
[awesomized/libmemcached] / ChangeLog
1 * Cleanup compile warnings.
2 * Fix issues in partitioning by keys.
3 * Fixed "fail case" to make sure when calling memcached_clone() no
4 memcached_st is over written.
5 * New memcached_server_by_key() method for finding a server from
6 a key.
7 * memcached_server_free() was added for freeing server structures.
8
9
10 0.23 Sun Sep 7 08:13:59 PDT 2008
11 * Added strings.h header for Solaris 9
12 * Solaris 64bit fix.
13 * Support for weighted Ketama from Yin Chen.
14 * Fix for Chinese
15 * Fix for 0 length key to trigger bad key.
16 * Added behaviors MEMCACHED_BEHAVIOR_SND_TIMEOUT, MEMCACHED_BEHAVIOR_RCV_TIMEOUT
17 * Support for Binary Protocol added
18
19 0.22 Mon Jul 14 09:24:11 PDT 2008
20 * Fix where master key was no being checked for "bad key"
21 * Fixed bugs in stats output (thread output was wrong)
22 * Clarified MEMCACHED_BAD_KEY_PROVIDED is return for bad prefix key.
23 * Found a bug in Flags return (Jacek Ostrowski)
24 * Fixed issue with compiling on Visual Studio
25
26 0.21 Fri May 23 18:34:09 PDT 2008
27 * Change of char * to const char * for all key based functions.
28 * New MEMCACHED_CALLBACK_PREFIX_KEY added. You can now create domains for
29 values.
30 * Fixed bug introducd in last version on memcp
31 * Fix for death of file io to call shutdown()
32
33 0.20 Mon May 5 08:34:26 PDT 2008
34 * New consistent distribution tests.
35 * Found a memory leak when a server constantly fails.
36 * Fix in watchpoint macro
37 * Changed default timeout to 1 second for poll timeouts
38 * Wheel uses less memory/dynamic allocation for size (no longer limited to
39 512 hosts by default.
40 * memslap memory leak fix
41 * Added Ketama distribution
42 * Fix assert.h compile problem on CentOS
43
44 0.19 Wed Apr 9 09:30:53 PDT 2008
45 * Documentation fix in libmemcached.
46 * Fixed bug where sort was always occuring on hosts
47 * Logic fix in branch prediction (thanks Jay!)
48 * Read through cached support.
49 * Fixed for cas by key operation.
50 * Fix for memcached_server_st list structures to have correct count.
51 * Added callback MEMCACHED_CALLBACK_DELETE_TRIGGER
52 * Removed function call in favor of macro (aka cut out some instructions)
53
54
55 0.18 Sun Mar 16 21:57:55 PDT 2008
56 * Fix plus tests for non-zero value objects and flags.
57 * MEMCACHED_HASH_MURMUR added for murmur algorithm provided.
58 * MEMCACHED_BEHAVIOR_RETRY_TIMEOUT added to keep connecting from looping
59 on timeout.
60 * gcc branch prediction optimizations
61 * Refactored entire tree to make include files cleaner
62 * Fixed leaked socket.
63
64 0.17 Wed Feb 27 03:33:29 PST 2008
65 * MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT added for connect timeout in
66 non-block mode.
67 * Incompatible change in memcached_behavior_set() api. We now use a
68 uint64_t, instead of a pointer.
69 * Fix for storage of values for zero.
70 * memcached_server_cursor() function added to API for cycling through servers.
71
72 0.16 Mon Feb 18 00:30:25 PST 2008
73 * Work on the UDP protocol
74 * Added get_by_key, set_by_key tests for C++ API
75 * Fix for limit_maxbytes to be 64bit in stats
76 * Added Atom Smasher test (scale baby, scale!)
77 * Servers are now sorted, meaning that servers are now ordered so that
78 clients with the same lists, will have same distribution. (Idea from
79 Ross McFarland). MEMCACHED_BEHAVIOR_SORT_HOSTS was added to enable
80 this support.
81 * Added MEMCACHED_BAD_KEY_PROVIDED error for auto, set, and get operations.
82 MEMCACHED_BEHAVIOR_VERIFY_KEY was added to enable this feature.
83 * More error messages on command line tools.
84 * Fixed bugs in memcached_cas() operator.
85 * Fix to loop through interfaces
86
87 0.15 Tue Jan 29 14:55:44 PST 2008
88 * More work on the C++ API.
89 * Bug fixes around block corner cases.
90 * Slight performance increase in both read() and write().
91
92 0.14 Tue Jan 22 06:21:49 PST 2008
93 * For for bug found by Evan Weaver where increment() was not returning
94 propper error of value was not found.
95 * Fix for bad null pointer on flag by Toru Maesaka.
96 * Refactor of all IO to just pass in the active server
97 * Problem configuring (PKG_CHECK_MODULES) fixed by removal of "rpath" in
98 support/libmemcached.pc.in (Thanks to Ross McFarland).
99 * Added memcached_callback_get()/set()
100 * First prototype of C++ interface
101 * Updated docs for uint16_t changes in previous release
102
103 0.13 Sun Jan 13 06:51:50 PST 2008
104 * MEMCACHED_BEHAVIOR_USER_DATA added to store user pointer.
105 * Fix for failure to connect to invalidate socket.
106 * Patch from Marc Rossi to add --hash option for memcp, memrm, and memcat.
107 * Kevin's patch for fixing EOF issues during a read.
108 * Toru Maesaka patch for stats mismatch
109 * Fix for when CRC return 0
110 * Fixed uint16_t issues around flags. Turns out the documentation on the
111 protocol was wrong.
112 * Lingering socket fixes for FreeBSD.
113 * Patches from Kevin Dalley for FreeBSD 4.0
114 * Added multi delete functions.
115 * All get key returns have C style null termination
116 * If memcached_server_list_append is passed NULLs instead of pointers it
117 returns NULL.
118 * Added memcached_fetch_execute() method
119 * Found a bug where memcached_fetch() was not null terminating the result
120 value.
121 * memcached_behavior() now has the ability to set "buffering" so that
122 data is not automatically flushed.
123 * Behavior change, buffered commands now return MEMCACHED_BUFFERED
124
125 0.12 Tue Dec 11 15:20:55 PST 2007
126 * Updates for consistent hashing
127 * IPV6 support
128 * Static allocation for hostname (performance)
129 * Fixed bug where in non-block mode all data might not have been sent on
130 close().
131 * Refactor of memcached_get() to use common code.
132 * Change in value fetch, MEMCACHED_END is now returned when keys are no
133 longer in the pipe.
134 * Fixed bug where key could be out of range of characters
135 * Added _by_key() methods to allow partitioning of values to particular
136 servers.
137 * MEMCACHED_DEFAILT_TIMEOUT is now set to a non -1 value.
138 * Performance improvements in get operations.
139
140 0.11 Mon Nov 26 01:05:52 PST 2007
141 * Added option to memcache_behavior_set() so that poll() can be timed out.
142 * Fixed memory leak in case of using memcached_fetch_result() where no
143 value was returned.
144 * Bug fixed in memcached_connect() which would cause servers that
145 did not need to be enabled to be enabled (performance issue).
146 * Rewrote bounds checking code for get calls.
147 * "make test" now starts its own memcached servers.
148 * Added Hseih hash (MEMCACHED_HASH_HSIEH), which is showing about 7%
149 performance over standard hash.
150
151 0.10 Tue Nov 20 23:22:31 PST 2007
152 * Added append binary test.
153 * Added MEMCACHED_BEHAVIOR_CACHE_LOOKUPS behavior so that you can save on
154 multiple DNS lookups.
155 * Added CAS support, though this is optional and must be enabled during
156 runtime.
157 * Added the utility memerror to create human readable error strings
158 from memcached errors (aka convert ints to strings)
159 * Fixed type in MEMCACHED_HOST_LOOKUP_FAILURE
160 * Fixed bug where hostname might not be null terminated
161 * Moved to using gethostbyname_r() on Linux to solve thread safety issue
162 * Added -rpath support for pkg-config
163 * Documentation fix for hash setting using memcached_behavior_set()
164
165 0.9 Thu Nov 15 07:44:00 PST 2007
166 * fix for when no servers are definied.
167 * different buffers are now kept for different connections to
168 speed up async efforts
169 * Modified increment/decrement functions to return uint64_t values
170 * Fixed bug in cases where zero length keys were provided
171 * Thread cleanup issue in memslap
172 * No hostname lookup on reconnect
173 * Fix for flag settings (was doing hex by accident!)
174 * Support for 1.2.4 server additions "prepend" and "append" added.
175 * Added memcached_version()... not sure if I will make this public
176 or not.
177
178 0.8 Mon Nov 5 10:40:41 PST 2007
179 * Adding support for CRC hash method
180 * Adding support for UNIX sockets
181 * Added additional HASHing methods of FNV1_64,FNV1A_64, FNV1_32, FNV1A_32
182 * Added pkgconfig support (PKG_CHECK_MODULES)
183 * Fixed conflict with defined type in MySQL
184 * Added memcached_result_st structure and functions to manipulate it.
185
186 0.7 Tue Oct 30 09:24:05 PDT 2007
187 * Poved to poll() from select()
188 * Fixes in internal string class for allocation of large numbers of
189 strings.
190 * memcached_mget() function now sends keys as it parses them instead of
191 building strings as it goes.
192 * Propper flush now for making sure we get all IO sent even when in
193 non-block mode.
194 * Added --enable-debug rule for configure
195 * All asserts() removed (hey this is going into production!)
196
197
198 0.6 Wed Oct 17 08:41:35 PDT 2007
199 * get value returns are now null terminated (request by Cal Heldenbrand)
200 * Fixed connections for more hosts then two.
201 * Rewrite of the read/write IO systems to handle different sorts of host
202 failures.
203 * Added man pages for all functions and tools
204 * Raised buffer size for readinng/writing to 16K
205 * You can now optionally set the socket size for recv/send via
206 memached_behavior_set/get.
207
208 0.5 Tue Oct 9 00:22:25 PDT 2007
209 * Ruby maintainer mentioned TCP_NODELAY patch he had added. Added this to C
210 library as well. (Eric Hodel drbrain@segment7.net)
211 * Added support script for set_benchmark
212 * Updated memslap to allow testing of TCP_NODELAY
213 * Updated memslap to support --flush (aka dump memcache servers before
214 testing)
215 * Fixed bug in multiple hosts not being activated
216 * Added environmental variable MEMCACHED_SERVERS which can be used to
217 set the servers list.
218 * fixed memcached_stat method (and now memstat works)
219 * server connect now happens on demand.
220 * Help for all command line applications
221
222 0.4 Wed Oct 3 10:28:50 PDT 2007
223 * Added buffered IO to write calls for keys
224 * Added buffered IO for reads
225 * memstat was broken (bad if/else on connect)
226 * New non-blocking IO (not default yet). Mucho faster
227 * Refactor of test system.
228 * memslap crash solved
229
230 0.3 Mon Oct 1 06:37:52 PDT 2007
231 * Jeff Fisher <guppy@techmonkeys.org> provided a spec file
232 * Added "make rpm" around dist file
233 * Added support for Solaris
234 * Added support for DTrace
235 * Fixed read to be recv and write to be send
236 * Bug fix where memstat would core if no server was found
237 * Added memslap tool (load generator)
238 * Numerous bug fixes in library
239 * Added calls to library for creating host lists (see
240 text cases to understand how to use this).
241
242 0.2 Thu Sep 27 03:46:57 PDT 2007
243 * First public version
244