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