Revisions .45
[awesomized/libmemcached] / ChangeLog
1 0.45 Tue Feb 8 16:02:06 PST 2011
2 * Add support for systemtap
3
4 0.44 Wed Sep 22 21:57:57 PDT 2010
5 * Windows bug fixes.
6 * Hudson port support in test harness.
7 * Improved portability of test hanrness.
8 * SASL fixes.
9
10 0.43 Wed Jul 28 16:29:47 PDT 2010
11 * Added --args to memstat so that a greater range of values can be returned.
12 * Prelimanary support for Windows.
13 * memcached_stat_execute() merged.
14
15 0.42 Tue Jul 6 12:29:50 PDT 2010
16 * Mistake in libtool caused issue with library version
17
18 0.41 Wed Jun 30 13:15:19 PDT 2010
19 * Added --file for memcat.
20 * Added limemcached_ping() to libmemcached_util
21 * Bugfix for some cases where connect would have issues with timeout.
22 * Wrong value for errno given as error on an IO failure inside of poll.
23 * Bug fix for issue where multiple interfaces with bad DNS were not being caught.
24
25 0.40 Thu Apr 22 19:01:25 PDT 2010
26 * Placed retry logic in for busted resolvers
27 * Add an ignore for SIGPIPE to solve OSX issues.
28 * A couple of fixed for memcached_light server.
29 * Updated to debug mode to track io_wait
30
31 0.39 Tue Apr 6 12:35:13 PDT 2010
32 * Add support for prefix keys to binary protocol.
33 * Remove the undocumented call memcached_server_remove().
34 * The undocumented call memcached_server_by_key() now returns const.
35 * memcached_server_error_reset() has been deprecated.
36 * memcached_server_list() has been deprecated. Use memcached_server_cursor() to walk the servers found in a memcached_st() structure.
37 * memcached_verbosity() can now be run concurrently with other operations.
38 * SASL support.
39 * Fixes memory leak found in EJECT HOSTS.
40
41 0.38 Wed Feb 10 09:40:33 PST 2010
42 * C++ interface for libhashkit.
43 * Modified memcached_set_memory_allocators() so that it requires a context pointer.
44 * memcached_clone() now runs 5 times faster.
45 * Functions used for callbacks are now given const memcached_st.
46 * Added MEMCACHED_BEHAVIOR_CORK.
47 * memslap now creates a configuration file at ~/.memslap.cnf
48 * memcached_purge() now calls any callbacks registered during get execution.
49 * Many fixes to memslap.
50 * Updates for memcapable.
51 * Compile fixes for OpenBSD.
52 * Fix for possible recursive decent on IO failure.
53
54 0.37 Mon Jan 11 16:29:57 PST 2010
55 * Fixed build for libhashkit.
56 * Fixed install path regression.
57 * Modified RPM to strict check install.
58 * Added documentation for memcached_server_cursor();
59 * Added memcached_servers_reset().
60 * Modified memcached_st to remove dead cursor_server member.
61
62 0.36 Wed Jan 6 18:23:50 PST 2010
63 * Merged in new memslap utility.
64 * All of constants.h has been updated to match style (all old identifiers continue to work).
65 * Added first pass for libhashkit.
66 * Updated test Framework/extended tests.
67 * Random read support during replication added.
68 * Modified use_sort so that the option can be applied to any distribution type.
69 * We removed the MEMCACHED_BEHAVIOR_KETAMA_COMPAT_MODE added in 0.35. Instead use memcached_behavior_set_distribution().
70
71 0.35 Mon Nov 9 11:18:33 PST 2009
72 * Added support for by_key operations for inc/dec methods.
73 * Added mget test to memslap.
74 * Support for compatible ketama for SpyMemcached
75 * Update C++ interface.
76 * Fix for memcp
77
78 0.34 Tue Oct 13 08:39:51 PDT 2009
79 * Added support for setting behavior flags on a connection pool.
80 * Don't increment server_failure_counter on normal disconnects.
81 * Added prototype for a callback based protocol parser (server side) with examples so that you could let your own application speak the memcached protocol
82 * Updated memcapable to test ASCII protocol.
83 * Changed behavior so that server can be removed at first sign of failure.
84 * Added memcached_server_get_last_disconnect() call
85
86 0.33 Wed Sep 23 10:11:58 PDT 2009
87 * Added memcapable to test servers for binary compatibility.
88 * 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).
89 * Several bug fixes for binary protocol support.
90 * Fixed crashing issue with dumping from memcachd server (server internals were changed without documenting change).
91
92 0.32 Tue Sep 15 15:49:09 PDT 2009
93 * Change of behavior where linger is only modified for no-block and then it is set to zero.
94 * Added Twitter's memcached_server_error() functions.
95 * Fix for OSX compiles in development builds.
96 * Updated C++ interface.
97 * 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.
98
99 0.31 Fri Jul 10 09:02:50 PDT 2009
100 * Added support or HA via replication.
101 * malloc() removed for server key usage.
102 * Update build system.
103 * Added support for memcached_set_memory_allocators().
104 * Fixed bug in configure.ac for have_htoll.
105
106 0.30 Sun May 31 17:31:52 PDT 2009
107 * Added memcachd_dump command (and framework for memdump tool).
108 * Realigned all structures to remove padding (and line up important bits for 64bit caches.
109 * Remove some of sprintf() in storage calls().
110 * Removed printf() in stat call for unknown stat member.
111 * memcached_generate_hash() function added.
112 * Added tests to make sure all hash functions are stable.
113
114 0.29 Tue May 19 08:26:48 PDT 2009
115 * Fixed malloc usage to calloc for spots where we need zero filled memory.
116 * All code warnings now treated as errors.
117 * Fixes for debian packaging.
118 * Added new pooling mechanism.
119 * MEMCACHED_BEHAVIOR_NO_BLOCK no longer also sets MEMCACHED_BEHAVIOR_BUFFER_REQUESTS.
120 * Updated generic rpm.
121
122 0.28 Tue Apr 14 18:56:28 PDT 2009
123 * Fixed bug in init sructure (reapplied)
124 * Fixed bug in get/set by key (nikkhils@gmail.com)
125
126 0.27 Sun Mar 29 22:33:01 PDT 2009
127 * Added new UDP fire-forget mode.
128 * Reworked performance for mget() to better make use of async protocol
129 * Cleaned up execution of fetch (just one set of code now)
130 * Fixed Jenkin's for big endian hosts.
131 * Updates for memstat to determine network latency.
132 * Updates for binary protocol.
133 * Many updates to documentation.
134
135 0.26 Thu Jan 29 13:05:50 PST 2009
136 * Fix for decrement on hash key
137 * Fixed assert that was catching bad memset() call in host_reset()
138 * Fix purge issue for blocked IO which has been stacked.
139
140 0.25 Fri Nov 28 09:59:35 PST 2008
141 * Jenkins HASH added.
142 * Update of Murmur hash code
143 * Support explicit weights (Robey Pointer, Evan Weaver)
144 * Bugfix for ketama continuum (Robey Pointer)
145 * New behavior MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY (Robey Pointer)
146 * Don't ever call stats for weighting servers, because it is unstable.
147
148 0.24 Tue Sep 16 02:59:03 PDT 2008 (never released)
149 * Cleanup compile warnings.
150 * Fix issues in partitioning by keys.
151 * Fixed "fail case" to make sure when calling memcached_clone() no memcached_st is over written.
152 * New memcached_server_by_key() method for finding a server from a key.
153 * memcached_server_free() was added for freeing server structures.
154
155
156 0.23 Sun Sep 7 08:13:59 PDT 2008
157 * Added strings.h header for Solaris 9
158 * Solaris 64bit fix.
159 * Support for weighted Ketama from Yin Chen.
160 * Fix for Chinese
161 * Fix for 0 length key to trigger bad key.
162 * Added behaviors MEMCACHED_BEHAVIOR_SND_TIMEOUT, MEMCACHED_BEHAVIOR_RCV_TIMEOUT
163 * Support for Binary Protocol added
164
165 0.22 Mon Jul 14 09:24:11 PDT 2008
166 * Fix where master key was no being checked for "bad key"
167 * Fixed bugs in stats output (thread output was wrong)
168 * Clarified MEMCACHED_BAD_KEY_PROVIDED is return for bad prefix key.
169 * Found a bug in Flags return (Jacek Ostrowski)
170 * Fixed issue with compiling on Visual Studio
171
172 0.21 Fri May 23 18:34:09 PDT 2008
173 * Change of char * to const char * for all key based functions.
174 * New MEMCACHED_CALLBACK_PREFIX_KEY added. You can now create domains for values.
175 * Fixed bug introducd in last version on memcp
176 * Fix for death of file io to call shutdown()
177
178 0.20 Mon May 5 08:34:26 PDT 2008
179 * New consistent distribution tests.
180 * Found a memory leak when a server constantly fails.
181 * Fix in watchpoint macro
182 * Changed default timeout to 1 second for poll timeouts
183 * Wheel uses less memory/dynamic allocation for size (no longer limited to 512 hosts by default.
184 * memslap memory leak fix
185 * Added Ketama distribution
186 * Fix assert.h compile problem on CentOS
187
188 0.19 Wed Apr 9 09:30:53 PDT 2008
189 * Documentation fix in libmemcached.
190 * Fixed bug where sort was always occuring on hosts
191 * Logic fix in branch prediction (thanks Jay!)
192 * Read through cached support.
193 * Fixed for cas by key operation.
194 * Fix for memcached_server_st list structures to have correct count.
195 * Added callback MEMCACHED_CALLBACK_DELETE_TRIGGER
196 * Removed function call in favor of macro (aka cut out some instructions)
197
198
199 0.18 Sun Mar 16 21:57:55 PDT 2008
200 * Fix plus tests for non-zero value objects and flags.
201 * MEMCACHED_HASH_MURMUR added for murmur algorithm provided.
202 * MEMCACHED_BEHAVIOR_RETRY_TIMEOUT added to keep connecting from looping on timeout.
203 * gcc branch prediction optimizations
204 * Refactored entire tree to make include files cleaner
205 * Fixed leaked socket.
206
207 0.17 Wed Feb 27 03:33:29 PST 2008
208 * MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT added for connect timeout in non-block mode.
209 * Incompatible change in memcached_behavior_set() api. We now use a uint64_t, instead of a pointer.
210 * Fix for storage of values for zero.
211 * memcached_server_cursor() function added to API for cycling through servers.
212
213 0.16 Mon Feb 18 00:30:25 PST 2008
214 * Work on the UDP protocol
215 * Added get_by_key, set_by_key tests for C++ API
216 * Fix for limit_maxbytes to be 64bit in stats
217 * Added Atom Smasher test (scale baby, scale!)
218 * 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.
219 * Added MEMCACHED_BAD_KEY_PROVIDED error for auto, set, and get operations. MEMCACHED_BEHAVIOR_VERIFY_KEY was added to enable this feature.
220 * More error messages on command line tools.
221 * Fixed bugs in memcached_cas() operator.
222 * Fix to loop through interfaces
223
224 0.15 Tue Jan 29 14:55:44 PST 2008
225 * More work on the C++ API.
226 * Bug fixes around block corner cases.
227 * Slight performance increase in both read() and write().
228
229 0.14 Tue Jan 22 06:21:49 PST 2008
230 * For for bug found by Evan Weaver where increment() was not returning propper error of value was not found.
231 * Fix for bad null pointer on flag by Toru Maesaka.
232 * Refactor of all IO to just pass in the active server
233 * Problem configuring (PKG_CHECK_MODULES) fixed by removal of "rpath" in support/libmemcached.pc.in (Thanks to Ross McFarland).
234 * Added memcached_callback_get()/set()
235 * First prototype of C++ interface
236 * Updated docs for uint16_t changes in previous release
237
238 0.13 Sun Jan 13 06:51:50 PST 2008
239 * MEMCACHED_BEHAVIOR_USER_DATA added to store user pointer.
240 * Fix for failure to connect to invalidate socket.
241 * Patch from Marc Rossi to add --hash option for memcp, memrm, and memcat.
242 * Kevin's patch for fixing EOF issues during a read.
243 * Toru Maesaka patch for stats mismatch
244 * Fix for when CRC return 0
245 * Fixed uint16_t issues around flags. Turns out the documentation on the protocol was wrong.
246 * Lingering socket fixes for FreeBSD.
247 * Patches from Kevin Dalley for FreeBSD 4.0
248 * Added multi delete functions.
249 * All get key returns have C style null termination
250 * If memcached_server_list_append is passed NULLs instead of pointers it returns NULL.
251 * Added memcached_fetch_execute() method
252 * Found a bug where memcached_fetch() was not null terminating the result value.
253 * memcached_behavior() now has the ability to set "buffering" so that data is not automatically flushed.
254 * Behavior change, buffered commands now return MEMCACHED_BUFFERED
255
256 0.12 Tue Dec 11 15:20:55 PST 2007
257 * Updates for consistent hashing
258 * IPV6 support
259 * Static allocation for hostname (performance)
260 * Fixed bug where in non-block mode all data might not have been sent on close().
261 * Refactor of memcached_get() to use common code.
262 * Change in value fetch, MEMCACHED_END is now returned when keys are no longer in the pipe.
263 * Fixed bug where key could be out of range of characters
264 * Added _by_key() methods to allow partitioning of values to particular servers.
265 * MEMCACHED_DEFAILT_TIMEOUT is now set to a non -1 value.
266 * Performance improvements in get operations.
267
268 0.11 Mon Nov 26 01:05:52 PST 2007
269 * Added option to memcache_behavior_set() so that poll() can be timed out.
270 * Fixed memory leak in case of using memcached_fetch_result() where no value was returned.
271 * Bug fixed in memcached_connect() which would cause servers that did not need to be enabled to be enabled (performance issue).
272 * Rewrote bounds checking code for get calls.
273 * "make test" now starts its own memcached servers.
274 * Added Hseih hash (MEMCACHED_HASH_HSIEH), which is showing about 7% performance over standard hash.
275
276 0.10 Tue Nov 20 23:22:31 PST 2007
277 * Added append binary test.
278 * Added MEMCACHED_BEHAVIOR_CACHE_LOOKUPS behavior so that you can save on multiple DNS lookups.
279 * Added CAS support, though this is optional and must be enabled during runtime.
280 * Added the utility memerror to create human readable error strings from memcached errors (aka convert ints to strings)
281 * Fixed type in MEMCACHED_HOST_LOOKUP_FAILURE
282 * Fixed bug where hostname might not be null terminated
283 * Moved to using gethostbyname_r() on Linux to solve thread safety issue
284 * Added -rpath support for pkg-config
285 * Documentation fix for hash setting using memcached_behavior_set()
286
287 0.9 Thu Nov 15 07:44:00 PST 2007
288 * fix for when no servers are definied.
289 * different buffers are now kept for different connections to speed up async efforts
290 * Modified increment/decrement functions to return uint64_t values
291 * Fixed bug in cases where zero length keys were provided
292 * Thread cleanup issue in memslap
293 * No hostname lookup on reconnect
294 * Fix for flag settings (was doing hex by accident!)
295 * Support for 1.2.4 server additions "prepend" and "append" added.
296 * Added memcached_version()... not sure if I will make this public or not.
297
298 0.8 Mon Nov 5 10:40:41 PST 2007
299 * Adding support for CRC hash method
300 * Adding support for UNIX sockets
301 * Added additional HASHing methods of FNV1_64,FNV1A_64, FNV1_32, FNV1A_32
302 * Added pkgconfig support (PKG_CHECK_MODULES)
303 * Fixed conflict with defined type in MySQL
304 * Added memcached_result_st structure and functions to manipulate it.
305
306 0.7 Tue Oct 30 09:24:05 PDT 2007
307 * Poved to poll() from select()
308 * Fixes in internal string class for allocation of large numbers of strings.
309 * memcached_mget() function now sends keys as it parses them instead of building strings as it goes.
310 * Propper flush now for making sure we get all IO sent even when in non-block mode.
311 * Added --enable-debug rule for configure
312 * All asserts() removed (hey this is going into production!)
313
314
315 0.6 Wed Oct 17 08:41:35 PDT 2007
316 * get value returns are now null terminated (request by Cal Heldenbrand)
317 * Fixed connections for more hosts then two.
318 * Rewrite of the read/write IO systems to handle different sorts of host failures.
319 * Added man pages for all functions and tools
320 * Raised buffer size for readinng/writing to 16K
321 * You can now optionally set the socket size for recv/send via memached_behavior_set/get.
322
323 0.5 Tue Oct 9 00:22:25 PDT 2007
324 * Ruby maintainer mentioned TCP_NODELAY patch he had added. Added this to C
325 library as well. (Eric Hodel drbrain@segment7.net)
326 * Added support script for set_benchmark
327 * Updated memslap to allow testing of TCP_NODELAY
328 * Updated memslap to support --flush (aka dump memcache servers before testing)
329 * Fixed bug in multiple hosts not being activated
330 * Added environmental variable MEMCACHED_SERVERS which can be used to set the servers list.
331 * fixed memcached_stat method (and now memstat works)
332 * server connect now happens on demand.
333 * Help for all command line applications
334
335 0.4 Wed Oct 3 10:28:50 PDT 2007
336 * Added buffered IO to write calls for keys
337 * Added buffered IO for reads
338 * memstat was broken (bad if/else on connect)
339 * New non-blocking IO (not default yet). Mucho faster
340 * Refactor of test system.
341 * memslap crash solved
342
343 0.3 Mon Oct 1 06:37:52 PDT 2007
344 * Jeff Fisher <guppy@techmonkeys.org> provided a spec file
345 * Added "make rpm" around dist file
346 * Added support for Solaris
347 * Added support for DTrace
348 * Fixed read to be recv and write to be send
349 * Bug fix where memstat would core if no server was found
350 * Added memslap tool (load generator)
351 * Numerous bug fixes in library
352 * Added calls to library for creating host lists (see text cases to understand how to use this).
353
354 0.2 Thu Sep 27 03:46:57 PDT 2007
355 * First public version
356