released 2011-09-27
- Fix for FreeBSD/OpenBSD and -lm
- Added memcached_exist()
- Fix for memory when using config test.
- CLI gained --quiet
released 2011-09-12
- Build fixes for Ubuntu/Suse.
- Fixes for OSX Lion.
- Bug fix for looping back through dns lookups under certain failures.
- Fixes related to dead server failures.
released 2011-07-21
- memcached_callback_set() now takes its data argument as const
- Update to tests.
- Fix in parser for port number.
released 2011-06-20
- Updates to C++ interface
- Custom free allocators need to now check for value before calling free.
- memcached_fetch_result() now uses the internal result when available (about 25 to 50% faster).
- Fix for stats structure.
- Updates to documentation.
- memcached_fetch_result() now uses the internal result when available (about 25 to 50% faster).
released 2011-04-14
- Fix calls to auto methods so that if value is not passed in nothing bad happens.
- New parser calls for generating memcached_st objects.
- New error system.
- New flow control for messages means faster get/set calls.
- Added new documentation system.
- 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.
- Added MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS to simplify the setting of AUTO REJECT for servers.
released 2011-03-16
- Fix memory leak in server parse.
- Move test framework out to be its own library (easier to work with Gearman).
released 2011-02-24
- Additional fixes for OpenBSD.
- Bug fix 677609, 456080.
- SIGPIPE fix for Linux send().
- memcapable can now test ascii or binary based on flags.
- Additional build fixes for SASL.
released 2011-02-14
- Fixes a number of corner case bugs.
- Fixes related to OpenBSD.
- Better testing for protocol version.
- Removes special case infinite wait on blocking setup.
released 2011-02-09
- Add support for systemtap
released 2010-09-23
- Windows bug fixes.
- Hudson port support in test harness.
- Improved portability of test hanrness.
- SASL fixes.
released 2010-07-28
- Added --args to memstat so that a greater range of values can be returned.
- Prelimanary support for Windows.
- memcached_stat_execute() merged.
released 2010-07-06
- Mistake in libtool caused issue with library version
released 2010-06-30
- Added --file for memcat.
- Added limemcached_ping() to libmemcached_util
- Bugfix for some cases where connect would have issues with timeout.
- Wrong value for errno given as error on an IO failure inside of poll.
- Bug fix for issue where multiple interfaces with bad DNS were not being caught.
released 2010-04-23
- Placed retry logic in for busted resolvers
- Add an ignore for SIGPIPE to solve OSX issues.
- A couple of fixed for memcached_light server.
- Updated to debug mode to track io_wait
released 2010-04-06
- Add support for prefix keys to binary protocol.
- Remove the undocumented call memcached_server_remove().
- The undocumented call memcached_server_by_key() now returns const.
- memcached_server_error_reset() has been deprecated.
- memcached_server_list() has been deprecated. Use memcached_server_cursor() to walk the servers found in a memcached_st() structure.
- memcached_verbosity() can now be run concurrently with other operations.
- SASL support.
- Fixes memory leak found in EJECT HOSTS.
released 2010-02-10
- C++ interface for libhashkit.
- Modified memcached_set_memory_allocators() so that it requires a context pointer.
- memcached_clone() now runs 5 times faster.
- Functions used for callbacks are now given const memcached_st.
- Added MEMCACHED_BEHAVIOR_CORK.
- memslap now creates a configuration file at ~/.memslap.cnf
- memcached_purge() now calls any callbacks registered during get execution.
- Many fixes to memslap.
- Updates for memcapable.
- Compile fixes for OpenBSD.
- Fix for possible recursive decent on IO failure.
released 2010-01-12
- Fixed build for libhashkit.
- Fixed install path regression.
- Modified RPM to strict check install.
- Added documentation for memcached_server_cursor();
- Added memcached_servers_reset().
- Modified memcached_st to remove dead cursor_server member.
released 2010-01-07
- Merged in new memslap utility.
- All of constants.h has been updated to match style (all old identifiers continue to work).
- Added first pass for libhashkit.
- Updated test Framework/extended tests.
- Random read support during replication added.
- Modified use_sort so that the option can be applied to any distribution type.
- We removed the MEMCACHED_BEHAVIOR_KETAMA_COMPAT_MODE added in 0.35. Instead use memcached_behavior_set_distribution().
released 2009-11-09
- Added support for by_key operations for inc/dec methods.
- Added mget test to memslap.
- Support for compatible ketama for SpyMemcached
- Update C++ interface.
- Fix for memcp
released 2009-10-13
- Added support for setting behavior flags on a connection pool.
- Don't increment server_failure_counter on normal disconnects.
- Added prototype for a callback based protocol parser (server side) with examples so that you could let your own application speak the memcached protocol
- Updated memcapable to test ASCII protocol.
- Changed behavior so that server can be removed at first sign of failure.
- Added memcached_server_get_last_disconnect() call
released 2009-09-23
- Added memcapable to test servers for binary compatibility.
- 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).
- Several bug fixes for binary protocol support.
- Fixed crashing issue with dumping from memcachd server (server internals were changed without documenting change).
released 2009-09-15
- Change of behavior where linger is only modified for no-block and then it is set to zero.
- Added Twitter's memcached_server_error() functions.
- Fix for OSX compiles in development builds.
- Updated C++ interface.
- 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.
released 2009-07-10
- Added support or HA via replication.
- malloc() removed for server key usage.
- Update build system.
- Added support for memcached_set_memory_allocators().
- Fixed bug in configure.ac for have_htoll.
released 2009-06-01
- Added memcachd_dump command (and framework for memdump tool).
- Realigned all structures to remove padding (and line up important bits for 64bit caches.
- Remove some of sprintf() in storage calls().
- Removed printf() in stat call for unknown stat member.
- memcached_generate_hash() function added.
- Added tests to make sure all hash functions are stable.
released 2009-05-19
- Fixed malloc usage to calloc for spots where we need zero filled memory.
- All code warnings now treated as errors.
- Fixes for debian packaging.
- Added new pooling mechanism.
- MEMCACHED_BEHAVIOR_NO_BLOCK no longer also sets MEMCACHED_BEHAVIOR_BUFFER_REQUESTS.
- Updated generic rpm.
released 2009-04-15
- Fixed bug in init sructure (reapplied)
- Fixed bug in get/set by key ([email protected])
released 2009-03-30
- Added new UDP fire-forget mode.
- Reworked performance for mget() to better make use of async protocol
- Cleaned up execution of fetch (just one set of code now)
- Fixed Jenkin's for big endian hosts.
- Updates for memstat to determine network latency.
- Updates for binary protocol.
- Many updates to documentation.
released 2009-01-29
- Fix for decrement on hash key
- Fixed assert that was catching bad memset() call in host_reset()
- Fix purge issue for blocked IO which has been stacked.
released 2008-11-28
- Jenkins HASH added.
- Update of Murmur hash code
- Support explicit weights (Robey Pointer, Evan Weaver)
- Bugfix for ketama continuum (Robey Pointer)
- New behavior MEMCACHED_BEHAVIOR_HASH_WITH_PREFIX_KEY (Robey Pointer)
- Don't ever call stats for weighting servers, because it is unstable.
released 2008-09-16
- Cleanup compile warnings.
- Fix issues in partitioning by keys.
- Fixed "fail case" to make sure when calling memcached_clone() no memcached_st is over written.
- New memcached_server_by_key() method for finding a server from a key.
- memcached_server_free() was added for freeing server structures.
released 2008-09-07
- Added strings.h header for Solaris 9
- Solaris 64bit fix.
- Support for weighted Ketama from Yin Chen.
- Fix for Chinese
- Fix for 0 length key to trigger bad key.
- Added behaviors MEMCACHED_BEHAVIOR_SND_TIMEOUT, MEMCACHED_BEHAVIOR_RCV_TIMEOUT
- Support for Binary Protocol added
released 2008-07-14
- Fix where master key was no being checked for "bad key"
- Fixed bugs in stats output (thread output was wrong)
- Clarified MEMCACHED_BAD_KEY_PROVIDED is return for bad prefix key.
- Found a bug in Flags return (Jacek Ostrowski)
- Fixed issue with compiling on Visual Studio
released 2008-05-24
- Change of char * to const char * for all key based functions.
- New MEMCACHED_CALLBACK_PREFIX_KEY added. You can now create domains for values.
- Fixed bug introducd in last version on memcp
- Fix for death of file io to call shutdown()
released 2008-05-05
- New consistent distribution tests.
- Found a memory leak when a server constantly fails.
- Fix in watchpoint macro
- Changed default timeout to 1 second for poll timeouts
- Wheel uses less memory/dynamic allocation for size (no longer limited to 512 hosts by default.
- memslap memory leak fix
- Added Ketama distribution
- Fix assert.h compile problem on CentOS
released 2008-04-09
- Documentation fix in libmemcached.
- Fixed bug where sort was always occuring on hosts
- Logic fix in branch prediction (thanks Jay!)
- Read through cached support.
- Fixed for cas by key operation.
- Fix for memcached_server_st list structures to have correct count.
- Added callback MEMCACHED_CALLBACK_DELETE_TRIGGER
- Removed function call in favor of macro (aka cut out some instructions)
released 2008-03-17
- Fix plus tests for non-zero value objects and flags.
- MEMCACHED_HASH_MURMUR added for murmur algorithm provided.
- MEMCACHED_BEHAVIOR_RETRY_TIMEOUT added to keep connecting from looping on timeout.
- gcc branch prediction optimizations
- Refactored entire tree to make include files cleaner
- Fixed leaked socket.
released 2008-02-27
- MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT added for connect timeout in non-block mode.
- Incompatible change in memcached_behavior_set() api. We now use a uint64_t, instead of a pointer.
- Fix for storage of values for zero.
- memcached_server_cursor() function added to API for cycling through servers.
released 2008-02-18
- Work on the UDP protocol
- Added get_by_key, set_by_key tests for C++ API
- Fix for limit_maxbytes to be 64bit in stats
- Added Atom Smasher test (scale baby, scale!)
- 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.
- Added MEMCACHED_BAD_KEY_PROVIDED error for auto, set, and get operations. MEMCACHED_BEHAVIOR_VERIFY_KEY was added to enable this feature.
- More error messages on command line tools.
- Fixed bugs in memcached_cas() operator.
- Fix to loop through interfaces
released 2008-01-29
- More work on the C++ API.
- Bug fixes around block corner cases.
- Slight performance increase in both read() and write().
released 2008-01-22
- For for bug found by Evan Weaver where increment() was not returning propper error of value was not found.
- Fix for bad null pointer on flag by Toru Maesaka.
- Refactor of all IO to just pass in the active server
- Problem configuring (PKG_CHECK_MODULES) fixed by removal of "rpath" in support/libmemcached.pc.in (Thanks to Ross McFarland).
- Added memcached_callback_get()/set()
- First prototype of C++ interface
- Updated docs for uint16_t changes in previous release
released 2008-01-13
- MEMCACHED_BEHAVIOR_USER_DATA added to store user pointer.
- Fix for failure to connect to invalidate socket.
- Patch from Marc Rossi to add --hash option for memcp, memrm, and memcat.
- Kevin's patch for fixing EOF issues during a read.
- Toru Maesaka patch for stats mismatch
- Fix for when CRC return 0
- Fixed uint16_t issues around flags. Turns out the documentation on the protocol was wrong.
- Lingering socket fixes for FreeBSD.
- Patches from Kevin Dalley for FreeBSD 4.0
- Added multi delete functions.
- All get key returns have C style null termination
- If memcached_server_list_append is passed NULLs instead of pointers it returns NULL.
- Added memcached_fetch_execute() method
- Found a bug where memcached_fetch() was not null terminating the result value.
- memcached_behavior() now has the ability to set "buffering" so that data is not automatically flushed.
- Behavior change, buffered commands now return MEMCACHED_BUFFERED
released 2007-12-11
- Updates for consistent hashing
- IPV6 support
- Static allocation for hostname (performance)
- Fixed bug where in non-block mode all data might not have been sent on close().
- Refactor of memcached_get() to use common code.
- Change in value fetch, MEMCACHED_END is now returned when keys are no longer in the pipe.
- Fixed bug where key could be out of range of characters
- Added _by_key() methods to allow partitioning of values to particular servers.
- MEMCACHED_DEFAILT_TIMEOUT is now set to a non -1 value.
- Performance improvements in get operations.
released 2007-11-26
- Added option to memcache_behavior_set() so that poll() can be timed out.
- Fixed memory leak in case of using memcached_fetch_result() where no value was returned.
- Bug fixed in memcached_connect() which would cause servers that did not need to be enabled to be enabled (performance issue).
- Rewrote bounds checking code for get calls.
- "make test" now starts its own memcached servers.
- Added Hseih hash (MEMCACHED_HASH_HSIEH), which is showing about 7% performance over standard hash.
released 2007-11-21
- Added append binary test.
- Added MEMCACHED_BEHAVIOR_CACHE_LOOKUPS behavior so that you can save on multiple DNS lookups.
- Added CAS support, though this is optional and must be enabled during runtime.
- Added the utility memerror to create human readable error strings from memcached errors (aka convert ints to strings)
- Fixed type in MEMCACHED_HOST_LOOKUP_FAILURE
- Fixed bug where hostname might not be null terminated
- Moved to using gethostbyname_r() on Linux to solve thread safety issue
- Added -rpath support for pkg-config
- Documentation fix for hash setting using memcached_behavior_set()
released 2007-11-15
- fix for when no servers are definied.
- different buffers are now kept for different connections to speed up async efforts
- Modified increment/decrement functions to return uint64_t values
- Fixed bug in cases where zero length keys were provided
- Thread cleanup issue in memslap
- No hostname lookup on reconnect
- Fix for flag settings (was doing hex by accident!)
- Support for 1.2.4 server additions "prepend" and "append" added.
- Added memcached_version()... not sure if I will make this public or not.
released 2007-11-05
- Adding support for CRC hash method
- Adding support for UNIX sockets
- Added additional HASHing methods of FNV1_64,FNV1A_64, FNV1_32, FNV1A_32
- Added pkgconfig support (PKG_CHECK_MODULES)
- Fixed conflict with defined type in MySQL
- Added memcached_result_st structure and functions to manipulate it.
released 2007-10-30
- Poved to poll() from select()
- Fixes in internal string class for allocation of large numbers of strings.
- memcached_mget() function now sends keys as it parses them instead of building strings as it goes.
- Propper flush now for making sure we get all IO sent even when in non-block mode.
- Added --enable-debug rule for configure
- All asserts() removed (hey this is going into production!)
released 2007-10-17
- get value returns are now null terminated (request by Cal Heldenbrand)
- Fixed connections for more hosts then two.
- Rewrite of the read/write IO systems to handle different sorts of host failures.
- Added man pages for all functions and tools
- Raised buffer size for readinng/writing to 16K
- You can now optionally set the socket size for recv/send via memached_behavior_set/get.
released 2007-10-09
- Ruby maintainer mentioned TCP_NODELAY patch he had added. Added this to C library as well. (Eric Hodel [email protected])
- Added support script for set_benchmark
- Updated memslap to allow testing of TCP_NODELAY
- Updated memslap to support --flush (aka dump memcache servers before testing)
- Fixed bug in multiple hosts not being activated
- Added environmental variable MEMCACHED_SERVERS which can be used to set the servers list.
- fixed memcached_stat method (and now memstat works)
- server connect now happens on demand.
- Help for all command line applications
released 2007-10-03
- Added buffered IO to write calls for keys
- Added buffered IO for reads
- memstat was broken (bad if/else on connect)
- New non-blocking IO (not default yet). Mucho faster
- Refactor of test system.
- memslap crash solved
released 2007-10-01
- Jeff Fisher [email protected] provided a spec file
- Added "make rpm" around dist file
- Added support for Solaris
- Added support for DTrace
- Fixed read to be recv and write to be send
- Bug fix where memstat would core if no server was found
- Added memslap tool (load generator)
- Numerous bug fixes in library
- Added calls to library for creating host lists (see text cases to understand how to use this).
released 2007-09-27
- First public version