+
+
+
+ ChangeLog v0.x¶
+
+
+v 0.53¶
+++released 2011-09-27
-
+
- Fix for FreeBSD/OpenBSD and -lm +
- Added memcached_exist() +
- Fix for memory when using config test. +
- CLI gained --quiet +
+
+v 0.52¶
+++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. +
+
+v 0.51¶
+++released 2011-07-21
-
+
- memcached_callback_set() now takes its data argument as const +
- Update to tests. +
- Fix in parser for port number. +
+
+v 0.50¶
+++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). +
+
+v 0.49¶
+++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. +
+
+v 0.48¶
+++released 2011-03-16
-
+
- Fix memory leak in server parse. +
- Move test framework out to be its own library (easier to work with Gearman). +
+
+v 0.47¶
+++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. +
+
+
+v 0.46¶
+++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. +
+
+v 0.44¶
+++released 2010-09-23
-
+
- Windows bug fixes. +
- Hudson port support in test harness. +
- Improved portability of test hanrness. +
- SASL fixes. +
+
+
+v 0.43¶
+++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. +
+
+v 0.41¶
+++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. +
+
+v 0.40¶
+++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 +
+
+v 0.39¶
+++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. +
+
+v 0.38¶
+++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. +
+
+v 0.37¶
+++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. +
+
+v 0.36¶
+++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(). +
+
+v 0.35¶
+++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 +
+
+v 0.34¶
+++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 +
+
+v 0.33¶
+++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). +
+
+v 0.32¶
+++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. +
+
+v 0.31¶
+++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. +
+
+v 0.30¶
+++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. +
+
+v 0.29¶
+++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. +
+
+v 0.28¶
+++released 2009-04-15
-
+
- Fixed bug in init sructure (reapplied) +
- Fixed bug in get/set by key (nikkhils@gmail.com) +
+
+v 0.27¶
+++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. +
+
+v 0.26¶
+++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. +
+
+v 0.25¶
+++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. +
+
+v 0.24¶
+++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. +
+
+v 0.23¶
+++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 +
+
+v 0.22¶
+++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 +
+
+v 0.21¶
+++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() +
+
+v 0.20¶
+++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 +
+
+v 0.19¶
+++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) +
+
+v 0.18¶
+++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. +
+
+v 0.17¶
+++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. +
+
+v 0.16¶
+++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 +
+
+v 0.15¶
+++released 2008-01-29
-
+
- More work on the C++ API. +
- Bug fixes around block corner cases. +
- Slight performance increase in both read() and write(). +
+
+v 0.14¶
+++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 +
+
+v 0.13¶
+++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 +
+
+v 0.12¶
+++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. +
+
+v 0.11¶
+++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. +
+
+v 0.10¶
+++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() +
+
+v 0.9¶
+++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. +
+
+v 0.8¶
+++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. +
+
+v 0.7¶
+++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!) +
+
+v 0.6¶
+++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. +
+
+v 0.5¶
+++released 2007-10-09
-
+
- Ruby maintainer mentioned TCP_NODELAY patch he had added. Added this to C +library as well. (Eric Hodel drbrain@segment7.net) +
- 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 +
+
+v 0.4¶
+++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 +
+
+
+v 0.3¶
+++released 2007-10-01
-
+
- Jeff Fisher guppy@techmonkeys.org 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). +