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