14 * Fix for FreeBSD/OpenBSD and -lm
15 * Added memcached_exist()
16 * Fix for memory when using config test.
28 * Build fixes for Ubuntu/Suse.
30 * Bug fix for looping back through dns lookups under certain failures.
31 * Fixes related to dead server failures.
42 * memcached_callback_set() now takes its data argument as const
44 * Fix in parser for port number.
55 * Updates to C++ interface
56 * Custom free allocators need to now check for value before calling free.
57 * memcached_fetch_result() now uses the internal result when available (about 25 to 50% faster).
58 * Fix for stats structure.
59 * Updates to documentation.
60 * memcached_fetch_result() now uses the internal result when available (about 25 to 50% faster).
71 * Fix calls to auto methods so that if value is not passed in nothing bad happens.
72 * New parser calls for generating memcached_st objects.
74 * New flow control for messages means faster get/set calls.
75 * Added new documentation system.
76 * A behavior change has been now made that if you specify a weight for any server, we enable the weight flag and do weight balancing.
77 * Added MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS to simplify the setting of AUTO REJECT for servers.
88 * Fix memory leak in server parse.
89 * Move test framework out to be its own library (easier to work with Gearman).
100 * Additional fixes for OpenBSD.
101 * Bug fix 677609, 456080.
102 * SIGPIPE fix for Linux send().
103 * memcapable can now test ascii or binary based on flags.
104 * Additional build fixes for SASL.
115 * Fixes a number of corner case bugs.
116 * Fixes related to OpenBSD.
117 * Better testing for protocol version.
118 * Removes special case infinite wait on blocking setup.
129 * Add support for systemtap
141 * Hudson port support in test harness.
142 * Improved portability of test hanrness.
154 * Added --args to memstat so that a greater range of values can be returned.
155 * Prelimanary support for Windows.
156 * memcached_stat_execute() merged.
167 * Mistake in libtool caused issue with library version
178 * Added --file for memcat.
179 * Added limemcached_ping() to libmemcached_util
180 * Bugfix for some cases where connect would have issues with timeout.
181 * Wrong value for errno given as error on an IO failure inside of poll.
182 * Bug fix for issue where multiple interfaces with bad DNS were not being caught.
193 * Placed retry logic in for busted resolvers
194 * Add an ignore for SIGPIPE to solve OSX issues.
195 * A couple of fixed for memcached_light server.
196 * Updated to debug mode to track io_wait
207 * Add support for prefix keys to binary protocol.
208 * Remove the undocumented call memcached_server_remove().
209 * The undocumented call memcached_server_by_key() now returns const.
210 * memcached_server_error_reset() has been deprecated.
211 * memcached_server_list() has been deprecated. Use memcached_server_cursor() to walk the servers found in a memcached_st() structure.
212 * memcached_verbosity() can now be run concurrently with other operations.
214 * Fixes memory leak found in EJECT HOSTS.
225 * C++ interface for libhashkit.
226 * Modified memcached_set_memory_allocators() so that it requires a context pointer.
227 * memcached_clone() now runs 5 times faster.
228 * Functions used for callbacks are now given const memcached_st.
229 * Added MEMCACHED_BEHAVIOR_CORK.
230 * memslap now creates a configuration file at ~/.memslap.cnf
231 * memcached_purge() now calls any callbacks registered during get execution.
232 * Many fixes to memslap.
233 * Updates for memcapable.
234 * Compile fixes for OpenBSD.
235 * Fix for possible recursive decent on IO failure.
246 * Fixed build for libhashkit.
247 * Fixed install path regression.
248 * Modified RPM to strict check install.
249 * Added documentation for memcached_server_cursor();
250 * Added memcached_servers_reset().
251 * Modified memcached_st to remove dead cursor_server member.
262 * Merged in new memslap utility.
263 * All of constants.h has been updated to match style (all old identifiers continue to work).
264 * Added first pass for libhashkit.
265 * Updated test Framework/extended tests.
266 * Random read support during replication added.
267 * Modified use_sort so that the option can be applied to any distribution type.
268 * We removed the MEMCACHED_BEHAVIOR_KETAMA_COMPAT_MODE added in 0.35. Instead use memcached_behavior_set_distribution().
279 * Added support for by_key operations for inc/dec methods.
280 * Added mget test to memslap.
281 * Support for compatible ketama for SpyMemcached
282 * Update C++ interface.
294 * Added support for setting behavior flags on a connection pool.
295 * Don't increment server_failure_counter on normal disconnects.
296 * Added prototype for a callback based protocol parser (server side) with examples so that you could let your own application speak the memcached protocol
297 * Updated memcapable to test ASCII protocol.
298 * Changed behavior so that server can be removed at first sign of failure.
299 * Added memcached_server_get_last_disconnect() call
310 * Added memcapable to test servers for binary compatibility.
311 * 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).
312 * Several bug fixes for binary protocol support.
313 * Fixed crashing issue with dumping from memcachd server (server internals were changed without documenting change).
324 * Change of behavior where linger is only modified for no-block and then it is set to zero.
325 * Added Twitter's memcached_server_error() functions.
326 * Fix for OSX compiles in development builds.
327 * Updated C++ interface.
328 * 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.
339 * Added support or HA via replication.
340 * malloc() removed for server key usage.
341 * Update build system.
342 * Added support for memcached_set_memory_allocators().
343 * Fixed bug in configure.ac for have_htoll.
354 * Added memcachd_dump command (and framework for memdump tool).
355 * Realigned all structures to remove padding (and line up important bits for 64bit caches.
356 * Remove some of sprintf() in storage calls().
357 * Removed printf() in stat call for unknown stat member.
358 * memcached_generate_hash() function added.
359 * Added tests to make sure all hash functions are stable.
370 * Fixed malloc usage to calloc for spots where we need zero filled memory.
371 * All code warnings now treated as errors.
372 * Fixes for debian packaging.
373 * Added new pooling mechanism.
374 * MEMCACHED_BEHAVIOR_NO_BLOCK no longer also sets MEMCACHED_BEHAVIOR_BUFFER_REQUESTS.
375 * Updated generic rpm.
386 * Fixed bug in init sructure (reapplied)
387 * Fixed bug in get/set by key (nikkhils@gmail.com)
398 * Added new UDP fire-forget mode.
399 * Reworked performance for mget() to better make use of async protocol
400 * Cleaned up execution of fetch (just one set of code now)
401 * Fixed Jenkin's for big endian hosts.
402 * Updates for memstat to determine network latency.
403 * Updates for binary protocol.
404 * Many updates to documentation.
415 * Fix for decrement on hash key
416 * Fixed assert that was catching bad memset() call in host_reset()
417 * Fix purge issue for blocked IO which has been stacked.
428 * Jenkins HASH added.
429 * Update of Murmur hash code
430 * Support explicit weights (Robey Pointer, Evan Weaver)
431 * Bugfix for ketama continuum (Robey Pointer)
432 * New behavior MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY (Robey Pointer)
433 * Don't ever call stats for weighting servers, because it is unstable.
444 * Cleanup compile warnings.
445 * Fix issues in partitioning by keys.
446 * Fixed "fail case" to make sure when calling memcached_clone() no memcached_st is over written.
447 * New memcached_server_by_key() method for finding a server from a key.
448 * memcached_server_free() was added for freeing server structures.
459 * Added strings.h header for Solaris 9
461 * Support for weighted Ketama from Yin Chen.
463 * Fix for 0 length key to trigger bad key.
464 * Added behaviors MEMCACHED_BEHAVIOR_SND_TIMEOUT, MEMCACHED_BEHAVIOR_RCV_TIMEOUT
465 * Support for Binary Protocol added
476 * Fix where master key was no being checked for "bad key"
477 * Fixed bugs in stats output (thread output was wrong)
478 * Clarified MEMCACHED_BAD_KEY_PROVIDED is return for bad prefix key.
479 * Found a bug in Flags return (Jacek Ostrowski)
480 * Fixed issue with compiling on Visual Studio
491 * Change of char * to const char * for all key based functions.
492 * New MEMCACHED_CALLBACK_PREFIX_KEY added. You can now create domains for values.
493 * Fixed bug introducd in last version on memcp
494 * Fix for death of file io to call shutdown()
505 * New consistent distribution tests.
506 * Found a memory leak when a server constantly fails.
507 * Fix in watchpoint macro
508 * Changed default timeout to 1 second for poll timeouts
509 * Wheel uses less memory/dynamic allocation for size (no longer limited to 512 hosts by default.
510 * memslap memory leak fix
511 * Added Ketama distribution
512 * Fix assert.h compile problem on CentOS
523 * Documentation fix in libmemcached.
524 * Fixed bug where sort was always occuring on hosts
525 * Logic fix in branch prediction (thanks Jay!)
526 * Read through cached support.
527 * Fixed for cas by key operation.
528 * Fix for memcached_server_st list structures to have correct count.
529 * Added callback MEMCACHED_CALLBACK_DELETE_TRIGGER
530 * Removed function call in favor of macro (aka cut out some instructions)
541 * Fix plus tests for non-zero value objects and flags.
542 * MEMCACHED_HASH_MURMUR added for murmur algorithm provided.
543 * MEMCACHED_BEHAVIOR_RETRY_TIMEOUT added to keep connecting from looping on timeout.
544 * gcc branch prediction optimizations
545 * Refactored entire tree to make include files cleaner
546 * Fixed leaked socket.
557 * MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT added for connect timeout in non-block mode.
558 * Incompatible change in memcached_behavior_set() api. We now use a uint64_t, instead of a pointer.
559 * Fix for storage of values for zero.
560 * memcached_server_cursor() function added to API for cycling through servers.
571 * Work on the UDP protocol
572 * Added get_by_key, set_by_key tests for C++ API
573 * Fix for limit_maxbytes to be 64bit in stats
574 * Added Atom Smasher test (scale baby, scale!)
575 * 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.
576 * Added MEMCACHED_BAD_KEY_PROVIDED error for auto, set, and get operations. MEMCACHED_BEHAVIOR_VERIFY_KEY was added to enable this feature.
577 * More error messages on command line tools.
578 * Fixed bugs in memcached_cas() operator.
579 * Fix to loop through interfaces
590 * More work on the C++ API.
591 * Bug fixes around block corner cases.
592 * Slight performance increase in both read() and write().
603 * For for bug found by Evan Weaver where increment() was not returning propper error of value was not found.
604 * Fix for bad null pointer on flag by Toru Maesaka.
605 * Refactor of all IO to just pass in the active server
606 * Problem configuring (PKG_CHECK_MODULES) fixed by removal of "rpath" in support/libmemcached.pc.in (Thanks to Ross McFarland).
607 * Added memcached_callback_get()/set()
608 * First prototype of C++ interface
609 * Updated docs for uint16_t changes in previous release
620 * MEMCACHED_BEHAVIOR_USER_DATA added to store user pointer.
621 * Fix for failure to connect to invalidate socket.
622 * Patch from Marc Rossi to add --hash option for memcp, memrm, and memcat.
623 * Kevin's patch for fixing EOF issues during a read.
624 * Toru Maesaka patch for stats mismatch
625 * Fix for when CRC return 0
626 * Fixed uint16_t issues around flags. Turns out the documentation on the protocol was wrong.
627 * Lingering socket fixes for FreeBSD.
628 * Patches from Kevin Dalley for FreeBSD 4.0
629 * Added multi delete functions.
630 * All get key returns have C style null termination
631 * If memcached_server_list_append is passed NULLs instead of pointers it returns NULL.
632 * Added memcached_fetch_execute() method
633 * Found a bug where memcached_fetch() was not null terminating the result value.
634 * memcached_behavior() now has the ability to set "buffering" so that data is not automatically flushed.
635 * Behavior change, buffered commands now return MEMCACHED_BUFFERED
646 * Updates for consistent hashing
648 * Static allocation for hostname (performance)
649 * Fixed bug where in non-block mode all data might not have been sent on close().
650 * Refactor of memcached_get() to use common code.
651 * Change in value fetch, MEMCACHED_END is now returned when keys are no longer in the pipe.
652 * Fixed bug where key could be out of range of characters
653 * Added _by_key() methods to allow partitioning of values to particular servers.
654 * MEMCACHED_DEFAILT_TIMEOUT is now set to a non -1 value.
655 * Performance improvements in get operations.
666 * Added option to memcache_behavior_set() so that poll() can be timed out.
667 * Fixed memory leak in case of using memcached_fetch_result() where no value was returned.
668 * Bug fixed in memcached_connect() which would cause servers that did not need to be enabled to be enabled (performance issue).
669 * Rewrote bounds checking code for get calls.
670 * "make test" now starts its own memcached servers.
671 * Added Hseih hash (MEMCACHED_HASH_HSIEH), which is showing about 7% performance over standard hash.
682 * Added append binary test.
683 * Added MEMCACHED_BEHAVIOR_CACHE_LOOKUPS behavior so that you can save on multiple DNS lookups.
684 * Added CAS support, though this is optional and must be enabled during runtime.
685 * Added the utility memerror to create human readable error strings from memcached errors (aka convert ints to strings)
686 * Fixed type in MEMCACHED_HOST_LOOKUP_FAILURE
687 * Fixed bug where hostname might not be null terminated
688 * Moved to using gethostbyname_r() on Linux to solve thread safety issue
689 * Added -rpath support for pkg-config
690 * Documentation fix for hash setting using memcached_behavior_set()
701 * fix for when no servers are definied.
702 * different buffers are now kept for different connections to speed up async efforts
703 * Modified increment/decrement functions to return uint64_t values
704 * Fixed bug in cases where zero length keys were provided
705 * Thread cleanup issue in memslap
706 * No hostname lookup on reconnect
707 * Fix for flag settings (was doing hex by accident!)
708 * Support for 1.2.4 server additions "prepend" and "append" added.
709 * Added memcached_version()... not sure if I will make this public or not.
720 * Adding support for CRC hash method
721 * Adding support for UNIX sockets
722 * Added additional HASHing methods of FNV1_64,FNV1A_64, FNV1_32, FNV1A_32
723 * Added pkgconfig support (PKG_CHECK_MODULES)
724 * Fixed conflict with defined type in MySQL
725 * Added memcached_result_st structure and functions to manipulate it.
736 * Poved to poll() from select()
737 * Fixes in internal string class for allocation of large numbers of strings.
738 * memcached_mget() function now sends keys as it parses them instead of building strings as it goes.
739 * Propper flush now for making sure we get all IO sent even when in non-block mode.
740 * Added --enable-debug rule for configure
741 * All asserts() removed (hey this is going into production!)
752 * get value returns are now null terminated (request by Cal Heldenbrand)
753 * Fixed connections for more hosts then two.
754 * Rewrite of the read/write IO systems to handle different sorts of host failures.
755 * Added man pages for all functions and tools
756 * Raised buffer size for readinng/writing to 16K
757 * You can now optionally set the socket size for recv/send via memached_behavior_set/get.
768 * Ruby maintainer mentioned TCP_NODELAY patch he had added. Added this to C
769 library as well. (Eric Hodel drbrain@segment7.net)
770 * Added support script for set_benchmark
771 * Updated memslap to allow testing of TCP_NODELAY
772 * Updated memslap to support --flush (aka dump memcache servers before testing)
773 * Fixed bug in multiple hosts not being activated
774 * Added environmental variable MEMCACHED_SERVERS which can be used to set the servers list.
775 * fixed memcached_stat method (and now memstat works)
776 * server connect now happens on demand.
777 * Help for all command line applications
788 * Added buffered IO to write calls for keys
789 * Added buffered IO for reads
790 * memstat was broken (bad if/else on connect)
791 * New non-blocking IO (not default yet). Mucho faster
792 * Refactor of test system.
793 * memslap crash solved
804 * Jeff Fisher guppy@techmonkeys.org provided a spec file
805 * Added "make rpm" around dist file
806 * Added support for Solaris
807 * Added support for DTrace
808 * Fixed read to be recv and write to be send
809 * Bug fix where memstat would core if no server was found
810 * Added memslap tool (load generator)
811 * Numerous bug fixes in library
812 * Added calls to library for creating host lists (see text cases to understand how to use this).
823 * First public version