2 * Added --file for memcat.
3 * Added limemcached_ping() to libmemcached_util
4 * Bugfix for some cases where connect would have issues with timeout.
6 0.40 Thu Apr 22 19:01:25 PDT 2010
7 * Placed retry logic in for busted resolvers
8 * Add an ignore for SIGPIPE to solve OSX issues.
9 * A couple of fixed for memcached_light server.
10 * Updated to debug mode to track io_wait
12 0.39 Tue Apr 6 12:35:13 PDT 2010
13 * Add support for prefix keys to binary protocol.
14 * Remove the undocumented call memcached_server_remove().
15 * The undocumented call memcached_server_by_key() now returns const.
16 * memcached_server_error_reset() has been deprecated.
17 * memcached_server_list() has been deprecated. Use memcached_server_cursor() to walk the servers found in a memcached_st() structure.
18 * memcached_verbosity() can now be run concurrently with other operations.
20 * Fixes memory leak found in EJECT HOSTS.
22 0.38 Wed Feb 10 09:40:33 PST 2010
23 * C++ interface for libhashkit.
24 * Modified memcached_set_memory_allocators() so that it requires a context pointer.
25 * memcached_clone() now runs 5 times faster.
26 * Functions used for callbacks are now given const memcached_st.
27 * Added MEMCACHED_BEHAVIOR_CORK.
28 * memslap now creates a configuration file at ~/.memslap.cnf
29 * memcached_purge() now calls any callbacks registered during get execution.
30 * Many fixes to memslap.
31 * Updates for memcapable.
32 * Compile fixes for OpenBSD.
33 * Fix for possible recursive decent on IO failure.
35 0.37 Mon Jan 11 16:29:57 PST 2010
36 * Fixed build for libhashkit.
37 * Fixed install path regression.
38 * Modified RPM to strict check install.
39 * Added documentation for memcached_server_cursor();
40 * Added memcached_servers_reset().
41 * Modified memcached_st to remove dead cursor_server member.
43 0.36 Wed Jan 6 18:23:50 PST 2010
44 * Merged in new memslap utility.
45 * All of constants.h has been updated to match style (all old identifiers continue to work).
46 * Added first pass for libhashkit.
47 * Updated test Framework/extended tests.
48 * Random read support during replication added.
49 * Modified use_sort so that the option can be applied to any distribution type.
50 * We removed the MEMCACHED_BEHAVIOR_KETAMA_COMPAT_MODE added in 0.35. Instead use memcached_behavior_set_distribution().
52 0.35 Mon Nov 9 11:18:33 PST 2009
53 * Added support for by_key operations for inc/dec methods.
54 * Added mget test to memslap.
55 * Support for compatible ketama for SpyMemcached
56 * Update C++ interface.
59 0.34 Tue Oct 13 08:39:51 PDT 2009
60 * Added support for setting behavior flags on a connection pool.
61 * Don't increment server_failure_counter on normal disconnects.
62 * Added prototype for a callback based protocol parser (server side) with examples so that you could let your own application speak the memcached protocol
63 * Updated memcapable to test ASCII protocol.
64 * Changed behavior so that server can be removed at first sign of failure.
65 * Added memcached_server_get_last_disconnect() call
67 0.33 Wed Sep 23 10:11:58 PDT 2009
68 * Added memcapable to test servers for binary compatibility.
69 * Updated C++ interface. Added basic support for C++ exceptions. Added multiple constructors the memcached client object. The C++ interface now takes parameters which are C++ types (such as std::string).
70 * Several bug fixes for binary protocol support.
71 * Fixed crashing issue with dumping from memcachd server (server internals were changed without documenting change).
73 0.32 Tue Sep 15 15:49:09 PDT 2009
74 * Change of behavior where linger is only modified for no-block and then it is set to zero.
75 * Added Twitter's memcached_server_error() functions.
76 * Fix for OSX compiles in development builds.
77 * Updated C++ interface.
78 * Updated memcached_mget and memcached_mget_by_key to take a size_t as a parameter instead of an unsigned int for number_of_keys.
80 0.31 Fri Jul 10 09:02:50 PDT 2009
81 * Added support or HA via replication.
82 * malloc() removed for server key usage.
83 * Update build system.
84 * Added support for memcached_set_memory_allocators().
85 * Fixed bug in configure.ac for have_htoll.
87 0.30 Sun May 31 17:31:52 PDT 2009
88 * Added memcachd_dump command (and framework for memdump tool).
89 * Realigned all structures to remove padding (and line up important bits for 64bit caches.
90 * Remove some of sprintf() in storage calls().
91 * Removed printf() in stat call for unknown stat member.
92 * memcached_generate_hash() function added.
93 * Added tests to make sure all hash functions are stable.
95 0.29 Tue May 19 08:26:48 PDT 2009
96 * Fixed malloc usage to calloc for spots where we need zero filled memory.
97 * All code warnings now treated as errors.
98 * Fixes for debian packaging.
99 * Added new pooling mechanism.
100 * MEMCACHED_BEHAVIOR_NO_BLOCK no longer also sets MEMCACHED_BEHAVIOR_BUFFER_REQUESTS.
101 * Updated generic rpm.
103 0.28 Tue Apr 14 18:56:28 PDT 2009
104 * Fixed bug in init sructure (reapplied)
105 * Fixed bug in get/set by key (nikkhils@gmail.com)
107 0.27 Sun Mar 29 22:33:01 PDT 2009
108 * Added new UDP fire-forget mode.
109 * Reworked performance for mget() to better make use of async protocol
110 * Cleaned up execution of fetch (just one set of code now)
111 * Fixed Jenkin's for big endian hosts.
112 * Updates for memstat to determine network latency.
113 * Updates for binary protocol.
114 * Many updates to documentation.
116 0.26 Thu Jan 29 13:05:50 PST 2009
117 * Fix for decrement on hash key
118 * Fixed assert that was catching bad memset() call in host_reset()
119 * Fix purge issue for blocked IO which has been stacked.
121 0.25 Fri Nov 28 09:59:35 PST 2008
122 * Jenkins HASH added.
123 * Update of Murmur hash code
124 * Support explicit weights (Robey Pointer, Evan Weaver)
125 * Bugfix for ketama continuum (Robey Pointer)
126 * New behavior MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY (Robey Pointer)
127 * Don't ever call stats for weighting servers, because it is unstable.
129 0.24 Tue Sep 16 02:59:03 PDT 2008 (never released)
130 * Cleanup compile warnings.
131 * Fix issues in partitioning by keys.
132 * Fixed "fail case" to make sure when calling memcached_clone() no memcached_st is over written.
133 * New memcached_server_by_key() method for finding a server from a key.
134 * memcached_server_free() was added for freeing server structures.
137 0.23 Sun Sep 7 08:13:59 PDT 2008
138 * Added strings.h header for Solaris 9
140 * Support for weighted Ketama from Yin Chen.
142 * Fix for 0 length key to trigger bad key.
143 * Added behaviors MEMCACHED_BEHAVIOR_SND_TIMEOUT, MEMCACHED_BEHAVIOR_RCV_TIMEOUT
144 * Support for Binary Protocol added
146 0.22 Mon Jul 14 09:24:11 PDT 2008
147 * Fix where master key was no being checked for "bad key"
148 * Fixed bugs in stats output (thread output was wrong)
149 * Clarified MEMCACHED_BAD_KEY_PROVIDED is return for bad prefix key.
150 * Found a bug in Flags return (Jacek Ostrowski)
151 * Fixed issue with compiling on Visual Studio
153 0.21 Fri May 23 18:34:09 PDT 2008
154 * Change of char * to const char * for all key based functions.
155 * New MEMCACHED_CALLBACK_PREFIX_KEY added. You can now create domains for values.
156 * Fixed bug introducd in last version on memcp
157 * Fix for death of file io to call shutdown()
159 0.20 Mon May 5 08:34:26 PDT 2008
160 * New consistent distribution tests.
161 * Found a memory leak when a server constantly fails.
162 * Fix in watchpoint macro
163 * Changed default timeout to 1 second for poll timeouts
164 * Wheel uses less memory/dynamic allocation for size (no longer limited to 512 hosts by default.
165 * memslap memory leak fix
166 * Added Ketama distribution
167 * Fix assert.h compile problem on CentOS
169 0.19 Wed Apr 9 09:30:53 PDT 2008
170 * Documentation fix in libmemcached.
171 * Fixed bug where sort was always occuring on hosts
172 * Logic fix in branch prediction (thanks Jay!)
173 * Read through cached support.
174 * Fixed for cas by key operation.
175 * Fix for memcached_server_st list structures to have correct count.
176 * Added callback MEMCACHED_CALLBACK_DELETE_TRIGGER
177 * Removed function call in favor of macro (aka cut out some instructions)
180 0.18 Sun Mar 16 21:57:55 PDT 2008
181 * Fix plus tests for non-zero value objects and flags.
182 * MEMCACHED_HASH_MURMUR added for murmur algorithm provided.
183 * MEMCACHED_BEHAVIOR_RETRY_TIMEOUT added to keep connecting from looping on timeout.
184 * gcc branch prediction optimizations
185 * Refactored entire tree to make include files cleaner
186 * Fixed leaked socket.
188 0.17 Wed Feb 27 03:33:29 PST 2008
189 * MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT added for connect timeout in non-block mode.
190 * Incompatible change in memcached_behavior_set() api. We now use a uint64_t, instead of a pointer.
191 * Fix for storage of values for zero.
192 * memcached_server_cursor() function added to API for cycling through servers.
194 0.16 Mon Feb 18 00:30:25 PST 2008
195 * Work on the UDP protocol
196 * Added get_by_key, set_by_key tests for C++ API
197 * Fix for limit_maxbytes to be 64bit in stats
198 * Added Atom Smasher test (scale baby, scale!)
199 * Servers are now sorted, meaning that servers are now ordered so that clients with the same lists, will have same distribution. (Idea from Ross McFarland). MEMCACHED_BEHAVIOR_SORT_HOSTS was added to enable this support.
200 * Added MEMCACHED_BAD_KEY_PROVIDED error for auto, set, and get operations. MEMCACHED_BEHAVIOR_VERIFY_KEY was added to enable this feature.
201 * More error messages on command line tools.
202 * Fixed bugs in memcached_cas() operator.
203 * Fix to loop through interfaces
205 0.15 Tue Jan 29 14:55:44 PST 2008
206 * More work on the C++ API.
207 * Bug fixes around block corner cases.
208 * Slight performance increase in both read() and write().
210 0.14 Tue Jan 22 06:21:49 PST 2008
211 * For for bug found by Evan Weaver where increment() was not returning propper error of value was not found.
212 * Fix for bad null pointer on flag by Toru Maesaka.
213 * Refactor of all IO to just pass in the active server
214 * Problem configuring (PKG_CHECK_MODULES) fixed by removal of "rpath" in support/libmemcached.pc.in (Thanks to Ross McFarland).
215 * Added memcached_callback_get()/set()
216 * First prototype of C++ interface
217 * Updated docs for uint16_t changes in previous release
219 0.13 Sun Jan 13 06:51:50 PST 2008
220 * MEMCACHED_BEHAVIOR_USER_DATA added to store user pointer.
221 * Fix for failure to connect to invalidate socket.
222 * Patch from Marc Rossi to add --hash option for memcp, memrm, and memcat.
223 * Kevin's patch for fixing EOF issues during a read.
224 * Toru Maesaka patch for stats mismatch
225 * Fix for when CRC return 0
226 * Fixed uint16_t issues around flags. Turns out the documentation on the protocol was wrong.
227 * Lingering socket fixes for FreeBSD.
228 * Patches from Kevin Dalley for FreeBSD 4.0
229 * Added multi delete functions.
230 * All get key returns have C style null termination
231 * If memcached_server_list_append is passed NULLs instead of pointers it returns NULL.
232 * Added memcached_fetch_execute() method
233 * Found a bug where memcached_fetch() was not null terminating the result value.
234 * memcached_behavior() now has the ability to set "buffering" so that data is not automatically flushed.
235 * Behavior change, buffered commands now return MEMCACHED_BUFFERED
237 0.12 Tue Dec 11 15:20:55 PST 2007
238 * Updates for consistent hashing
240 * Static allocation for hostname (performance)
241 * Fixed bug where in non-block mode all data might not have been sent on close().
242 * Refactor of memcached_get() to use common code.
243 * Change in value fetch, MEMCACHED_END is now returned when keys are no longer in the pipe.
244 * Fixed bug where key could be out of range of characters
245 * Added _by_key() methods to allow partitioning of values to particular servers.
246 * MEMCACHED_DEFAILT_TIMEOUT is now set to a non -1 value.
247 * Performance improvements in get operations.
249 0.11 Mon Nov 26 01:05:52 PST 2007
250 * Added option to memcache_behavior_set() so that poll() can be timed out.
251 * Fixed memory leak in case of using memcached_fetch_result() where no value was returned.
252 * Bug fixed in memcached_connect() which would cause servers that did not need to be enabled to be enabled (performance issue).
253 * Rewrote bounds checking code for get calls.
254 * "make test" now starts its own memcached servers.
255 * Added Hseih hash (MEMCACHED_HASH_HSIEH), which is showing about 7% performance over standard hash.
257 0.10 Tue Nov 20 23:22:31 PST 2007
258 * Added append binary test.
259 * Added MEMCACHED_BEHAVIOR_CACHE_LOOKUPS behavior so that you can save on multiple DNS lookups.
260 * Added CAS support, though this is optional and must be enabled during runtime.
261 * Added the utility memerror to create human readable error strings from memcached errors (aka convert ints to strings)
262 * Fixed type in MEMCACHED_HOST_LOOKUP_FAILURE
263 * Fixed bug where hostname might not be null terminated
264 * Moved to using gethostbyname_r() on Linux to solve thread safety issue
265 * Added -rpath support for pkg-config
266 * Documentation fix for hash setting using memcached_behavior_set()
268 0.9 Thu Nov 15 07:44:00 PST 2007
269 * fix for when no servers are definied.
270 * different buffers are now kept for different connections to speed up async efforts
271 * Modified increment/decrement functions to return uint64_t values
272 * Fixed bug in cases where zero length keys were provided
273 * Thread cleanup issue in memslap
274 * No hostname lookup on reconnect
275 * Fix for flag settings (was doing hex by accident!)
276 * Support for 1.2.4 server additions "prepend" and "append" added.
277 * Added memcached_version()... not sure if I will make this public or not.
279 0.8 Mon Nov 5 10:40:41 PST 2007
280 * Adding support for CRC hash method
281 * Adding support for UNIX sockets
282 * Added additional HASHing methods of FNV1_64,FNV1A_64, FNV1_32, FNV1A_32
283 * Added pkgconfig support (PKG_CHECK_MODULES)
284 * Fixed conflict with defined type in MySQL
285 * Added memcached_result_st structure and functions to manipulate it.
287 0.7 Tue Oct 30 09:24:05 PDT 2007
288 * Poved to poll() from select()
289 * Fixes in internal string class for allocation of large numbers of strings.
290 * memcached_mget() function now sends keys as it parses them instead of building strings as it goes.
291 * Propper flush now for making sure we get all IO sent even when in non-block mode.
292 * Added --enable-debug rule for configure
293 * All asserts() removed (hey this is going into production!)
296 0.6 Wed Oct 17 08:41:35 PDT 2007
297 * get value returns are now null terminated (request by Cal Heldenbrand)
298 * Fixed connections for more hosts then two.
299 * Rewrite of the read/write IO systems to handle different sorts of host failures.
300 * Added man pages for all functions and tools
301 * Raised buffer size for readinng/writing to 16K
302 * You can now optionally set the socket size for recv/send via memached_behavior_set/get.
304 0.5 Tue Oct 9 00:22:25 PDT 2007
305 * Ruby maintainer mentioned TCP_NODELAY patch he had added. Added this to C
306 library as well. (Eric Hodel drbrain@segment7.net)
307 * Added support script for set_benchmark
308 * Updated memslap to allow testing of TCP_NODELAY
309 * Updated memslap to support --flush (aka dump memcache servers before testing)
310 * Fixed bug in multiple hosts not being activated
311 * Added environmental variable MEMCACHED_SERVERS which can be used to set the servers list.
312 * fixed memcached_stat method (and now memstat works)
313 * server connect now happens on demand.
314 * Help for all command line applications
316 0.4 Wed Oct 3 10:28:50 PDT 2007
317 * Added buffered IO to write calls for keys
318 * Added buffered IO for reads
319 * memstat was broken (bad if/else on connect)
320 * New non-blocking IO (not default yet). Mucho faster
321 * Refactor of test system.
322 * memslap crash solved
324 0.3 Mon Oct 1 06:37:52 PDT 2007
325 * Jeff Fisher <guppy@techmonkeys.org> provided a spec file
326 * Added "make rpm" around dist file
327 * Added support for Solaris
328 * Added support for DTrace
329 * Fixed read to be recv and write to be send
330 * Bug fix where memstat would core if no server was found
331 * Added memslap tool (load generator)
332 * Numerous bug fixes in library
333 * Added calls to library for creating host lists (see text cases to understand how to use this).
335 0.2 Thu Sep 27 03:46:57 PDT 2007
336 * First public version
projects / m6w6 / libmemcached / blob