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Release 1.1.1 - 2019/01/28

  • Improvements
    • Upgrade to jubatus_core 1.1.1

Release 1.1.0 - 2018/08/27

  • Changes to Supported Systems
    • Ubuntu 18.04 LTS is now officially supported (#1230, #1231, #1236)
  • Improvements
    • Use double instead of float (#1232)
  • Bug fixes
    • Fix the all-in-packaging tool to work on RHEL (#1235)

Release 1.0.9 - 2018/04/23

  • New Features
    • Clustering: Add distance metrics option (#1228)

Release 1.0.8 - 2018/02/26

  • Bug fixes
    • Fix wrong conversion in Go-lang client generator (#1223)
    • Fix missing dependency for opencv plugin in deb package (#1222, #1224)

Release 1.0.7 - 2017/12/18

  • New Features
    • Anomaly: Add bulk API (#1220)

Release 1.0.6 - 2017/10/30

  • New Features
    • Recommender: Add filtering API (#1100, #1216)
  • Improvements
    • Regression: Add example configs (#1206, #1207)

Release 1.0.5 - 2017/08/28

  • Improvements
    • bandit: add epsilon-decreasing method (#354, #381)
    • Improve compatibility with gcc-6.x (#368, #369)
    • Improve compatibility with FreeBSD (#376, #384)
    • Improve compatibility with environment missing ld.gold (#371)
    • Implement equality comparator for json objects (#380)
    • Improve string to number conversion (#377)
  • Bug fixes
    • nearest_neighbor: fix crash when search neighbors for empty model (#382, #383)
    • Fix FMV not working (#378, #379)

Release 1.0.4 - 2017/06/26

  • Improvements
    • anomaly: improve get_status to return additional metrics (#1194, #1203)
    • Remove workaround code in RPM package builder (#1195, #1202)
  • Bug fixes
    • Fix output of ORB plugin (#1196, #1201)

Release 1.0.3 - 2017/04/24

  • Changes to Supported Systems
    • Deprecate Ubuntu 12.04 LTS support (#1189)
  • Improvements
    • Validate save/load RPC arguments (#1188, #1192)
    • Model files generated in earlier versions of Jubatus can now be loaded (#1179, #1187)
    • Improve packaging process (#1185, #1186)
  • Bug fixes
    • classifier/regression: fix performance regression in standalone mode (#1190, #1193)

Release 1.0.2 - 2017/02/27

  • Changes to Supported Systems
    • Ubuntu 16.04 LTS is now officially supported (#1180, #1181)

Release 1.0.1 - 2016/12/26

  • Improvements
    • Support OpenCV 2.0 in image extraction plugin (#1168, #1174, #1175)
    • fv_converter plugin loading code moved to Jubatus Core (#1171)
    • Improve Dockerfile (#1170, #1172, #1173)

Release 1.0.0 - 2016/10/31

  • New Features
    • Add image extraction plug-in (#843, #1150)
    • Add configuration validation feature (#973, #1144)
  • Improvements
    • clustering: change APIs to accept ID-based datum (#1155)
    • Update Dockerfile to use Ubuntu 14.04 (#1146)
    • Improve --daemon option of server and proxy to detach from console (#1072, #1148)
    • classifier: models are now compatible in standalone and distributed mode (#469, #1153)
    • Change the default log level to INFO instead of DEBUG (#1152)
    • Update example configurations (#1165)
    • Update manpages (#1167)
    • Update packaging tools (#1157)
  • Bug fixes
    • graph: fix IDs being reused when loading model file to other server instance in standalone mode (#1149, #1156)

Release 0.9.4 - 2016/08/29

  • Improvements
    • Improve error detection of log4cxx config file (#891, #1142)
    • Print DEBUG logs by default (#947, #1143)
    • Support printing logs in UTF-8 (#1078, #1140)
    • Improve comment in wscript (#1138, #1139)
  • Bug fixes
    • Fix missing locks in mixer (#1092, #1135)
    • Fix RPM packaging tool to work on RHEL 6.x (#1137)

Release 0.9.3 - 2016/07/25

  • Improvements
    • Improve behavior when ZooKeeper log files cannot be reopened (#1026, #1133)
    • Remove Glibc C++ debug flag in debug mode (#910, #1136)
    • Improve packaging tools to remove dependency to Google Code (#980, #1130)
  • Bug fixes
    • weight: fix to display config on startup (#1131, #1132)
    • Fix missing lock in get_status of linear_mixer (#1093, #1134)

Release 0.9.2 - 2016/06/27

  • Improvements
    • Update README.rst (#1126, #1129)
  • Bug fixes
    • Fix weight_client.hpp not included in client.hpp (#1127, #1128)

Release 0.9.1 - 2016/05/30

  • New feature
    • weight: server that returns raw results of fv_converter (#1105, #1116)
  • Improvements
    • Add default.json config files (#1117, #1120)
    • Add example config file for Anomaly (lof with unlearner) (#1118)
    • Update manpage (#1123)
  • Bug fixes
    • Fix thread safetiness issue in save/load RPC (#1113, #1115)
    • Fix dl link error on some distributions (#1121, #1122)

Release 0.9.0 - 2016/04/25

  • New feature
    • jubakit: Python module to easily evaluate precision of models (#1044)
  • Changes to Supported Systems
    • Ubuntu 14.04 LTS is now officially supported (#1071)
  • Improvements
    • classifier: improve get_labels API to return number of trained instances (#1109)
    • Add example configuration file for Nearest Neighbor (multi-threaded LSH) (#1111)
    • Add example configuration file for Classifier (cosine / euclidean) (#1108)
    • Add example configuration file for Recommender (euclid_lsh with unlearner) (#1108)
    • Configuration in model is used when loading model file on startup (#1081, #1107)
    • Improve compatibility with FreeBSD 9 (#1099)
    • Update manpages (#1112)
    • Code cleanup (#1102)
  • Bug fixes
    • Fix jenerator test (#1103)

Release 0.8.9 - 2016/03/28

  • Improvements
    • Support extracting specific part-of-speech in MeCab plugin (#1073, #1098)
    • Improved proxy to log timeout errors (#1048, #1095)
  • Bug fixes
    • Fix "jubactl -c save" not working (#1094)

Release 0.8.8 - 2016/02/29

  • Improvements
    • Support extracting base form in MeCab plugin (#1074, #1085)
    • Compare configuration string semantically on load (#1080, 1087)
    • Add example configuration file for Recommender (inverted_index_euclid with unlearner) (#1090)
    • Fix email address of DEB package (#1082, #1088)
  • Bug fixes
    • Fix printing logs multiple times after receiving SIGHUP (#962, #1084, #1086)

Release 0.8.7 - 2016/01/25

  • Improvements
    • Add example configuration file for Recommender (MinHash with unlearner) (#1077)
    • Add example configuration file for Recommender and Anomaly (inverted_index_euclid) (#1079)

Release 0.8.6 - 2015/12/25

  • Improvements
    • Support morpheme n-gram in mecab plugin (#1054, #1070)
  • Bug fixes
    • Fix typos in exception and log messages (#1068, #1069)

Release 0.8.5 - 2015/11/30

  • Improvements
    • improve client tests to work on Python 3 (#1043, #1063)
    • improve build script (#1064)
    • recommender: fix typo of calc_similarity function name (#1065)
    • recommender: add example config for LSH with unlearner (#1066)
    • update man pages (#1067)
  • Bug fixes
    • Fix RPM package errors (#1059, #1060, #1061, #1062)

Release 0.8.4 - 2015/10/26

  • Improvements
    • nearest_neighbor: improve analysis methods performance by eliminating giant lock (#1051)
  • Bug fixes
    • Fix loading model files via command line option not working (#1055, #1057)

Release 0.8.3 - 2015/09/28

  • Improvements
    • clustering: add seed option to example configuration files (#1047)
    • Fix packaging tools to use new oniguruma URL (#1045, #1046)
  • Bug fixes
    • nearest_neighbor: fix argument type (#1042, #1049, #1050)

Release 0.8.2 - 2015/08/31

  • Improvements
    • Add Dockerfile (#904)
    • Support add aggregator in jenerator (#1022, #1040)
    • Migrate ux-trie packaging from Google Code to GitHub (#1037)
  • Bug fixes
    • Fix proxies incorrectly create negative cache (#1035, #1036)
    • Fix save RPC creating empty file when empty ID is given (#1038, #1039)
    • clustering: fix ID conflict in distributed mode (#1041)
    • Fix C++ client test conditions (#1019, #1034)

Release 0.8.1 - 2015/07/27

  • Improvements
    • Expose status information of linear_mixer (#1030)
    • Support building with Python 3.x (#841, #1025)
    • Add example config file for recommender inverted_index with unlearner (#1031)
    • Code cleanup (#1032)
  • Bug fixes
    • classifier: fix MIX not triggered by update count (#1023, #1024)

Release 0.8.0 - 2015/06/29

  • Changes to Supported Systems
    • Red Hat Enterprise Linux (RHEL) 7 is now officially supported (#940, #1004)
  • Improvements
    • save RPC now returns the path to the saved model file (#562, #971, #1015, #1020)
    • Support non-commutative functions in combination feature plug-in (#999)
    • classifier: improve performance by removing giant lock (#968, #976)
    • Improve push mixer performance (#989, #1008)
    • Improve error handling of proxies (#985, #993)
    • Add man pages for commands (#1005, #1011)
    • Code cleanup (#1003)
  • Bug fixes
    • bandit: fix reset API returns false when called before MIX (#994, #1007)
    • bandit: CHT replication level changed to 1 to avoid double counting (#1017)
    • classifier: set_label is now merged using all_and in distributed environment (#1002, #1006)
    • nearest_neighbor: fix to print config on startup (#984, #986)
    • bandit: fix bandit client is not included in client.hpp (#996)
    • Fix push mixer not mixing rows correctly (#990, #991)
    • Fix skip mixer not choosing peers correctly (#915, #995, #997)
    • Fix error reporting of failures occured before initializing logger (#982, #987)
    • Fix sigwait thread race condition (#988, #992)
    • Fix cleanup race condition when ZooKeeper session expiry (#967, #998)
    • Fix IDL files missing from installation (#1009, #1010)
    • Fix C++ client tests not working (#959, #1018)
    • Fix RPM packages does not declare clear version dependency (#933, #1001)
    • Fix RPM packages to correctly generate debuginfo packages (#970, #1000)

Release 0.7.2 - 2015/04/27

  • Improvements
    • Improve jubaconv to accept configurations using plug-ins (#963)
    • Add example configuration files for combination feature (#953, #983)
    • bandit: update example configuration files to use assume_unrewarded option (#972)
    • classifier: fix set_label to use broadcast distribution (#850, #979)
    • Improve ZooKeeper connection log on reconnection (#913, #977)
  • Bug fixes
    • nearest_neighbor: fix uninitialized status values (#883, #978)
    • anomaly: fix get_all_rows API returning duplicated rows (#974, #975)
    • Fix server does not stop when MIX protocol version mismatch was detected (#955, #961)

Release 0.7.1 - 2015/03/30

  • Improvements
    • burst: Add clear API (#919, #946)
    • ZooKeeper logs can be rotated on SIGHUP (#876, #896)
    • get_status and get_diff can work in parallel (#912, #941)
    • jenerator refactoring (#929)
    • Change default ports used for RPC tests (#934)
    • Codes cleanup (#917, #922, #938, #942, #965)
    • Add language declarations to wscript (#925, #930)
    • Update to the latest waf-unittest (#952)
  • Bug fixes
    • Fix segmentation fault on MIX failure (#949)
    • Fix RPC server to shutdown gracefully when ZK session expired (#954, #960)
    • Fix signal handling to always accept SIGTERM / SIGINT (#956, #966)
    • Fix proxies to exit with correct status (#928, #936)
    • Fix "stopping mixer thread" log displayed in standalone mode (#916, #935)
    • Fix jenerator test to work (#937)

Release 0.7.0 - 2015/02/23

  • New machine learning service
    • Distributed Multi-Armed Bandit (jubabandit) (#932)
  • Improvements
    • Add golang client (experimental) (#870, #907, #909, #923, )
    • Add support for combination feature (#925)
    • nearest_neighbor: Implement get_all_rows API (#918)
    • classifier: Add example file for NN-based classifier (#921)
    • Upgrade to MessagePack 0.5.9 (#926)
    • Update copyright (#906, #920, #927)
  • Bug fixes
    • Fix memory leak when doing MIX (#914)
    • Fix RPC tests occasionally fails (#905)

Release 0.6.6 - 2014/12/22

  • Improvements
    • Detect logger configuration error on startup (#895, #902)

Release 0.6.5 - 2014/11/25

  • Improvements
    • Enable libstdc++ debug mode when configured using --enable-debug (#887, #889)
  • Buf fixes
    • Fix thread ID in logs not printed properly on OS X (#874, #894)
    • Remove unused --disable-eigen configure option (#890, #893)

Release 0.6.4 - 2014/10/20

  • New machine learning service
    • Distributed Burst Detection (jubaburst)
  • Improvements
    • Compatibility verification when joining to cluster (#864, #882)

Release 0.6.3 - 2014/09/29

  • Improvements
    • Add jubadump to RPM / DEB package (#856)
  • Bug fixes
    • Fix jubactl to work without specifying "-X" option (#872)
    • Fix log4cxx error message displayed on startup (#873)

Release 0.6.2 - 2014/08/25

  • Improvements
    • Reload logging configuration on SIGHUP (#838, #861)
    • Display plugin version when loaded (#740, #865)
    • Register itself as active after server is started (#854, #863)
    • Push mixers now excludes himself from MIX peer candidates (#842, #860)
  • Bug fixes
    • anomaly: Fix add requets returing error when using light_lof (#849, #853)
    • Fix proxies does not work with push_mixer (#803)
    • Do not block update RPC request while acquiring ZooKeeper lock (#618, #862)
    • Fix IDL errors (#851, #858, #859)
    • Remove unused core_headers reference (#811, #848)

Release 0.6.1 - 2014/07/22

  • Improvements
    • Support for OS X Mavericks (#833)
    • Add sanity check configure option (#835)
    • Fix linear_mixer to use interconnect_timeout (#720)
    • Add ABI version number to object file (#812)
    • #825, #832, #847
  • Bug fixes
    • Fix timed-out connection instances are left in the pool (#836, #837)

Release 0.6.0 - 2014/06/23

  • New Features
    • Add unlearning feature with sticky ID handling (#741, #756)
    • Extend string_rules plug-in interface to support arbitrary values (#658, #703)
    • classifier: Add delete_class RPC method (#364)
    • recommender: Support clear_row RPC method when using nearest_neighbor_recommender (#797)
  • Improvements
    • Separate algorithm components as jubatus_core repository
    • Change logging library to log4cxx (#746, #807, #821)
    • Improve availability when ZooKeeper failover occurs (#52, #776)
    • Strict validation of configuration parameter (#547, #627, #754, #755)
    • Improve error handling regarding RPC connection errors (#734, #782, #783)
    • Default number of threads for proxies changed to 4 (#753, #810)
    • Name of saved model files now contain engine name (#709, #765)
    • Log message improvements (#791, #822)
    • Log path of loaded plugins (#713, #771)
    • More example config files added (#795, #818)
    • nearest_neighbor: method name changed from {similar,neighbor}_row_from_data to {similar,neighbor}_row_from_datum to be consistent with recommender (#564, #809)
    • anomaly: add RPC method now works with both lof and light_lof (#737)
    • #645, #742, #767, #772, #773, #774, #777, #784, #789, #794, #823, #830
  • Bug fixes
    • binary_rule now accept except key (#792)
    • Calling do_mix RPC method for standalone mode now returns error correctly (#798, #808)
    • Jubatus servers now leave cluster before RPC server shutdown (#593, #813)

Release 0.5.4 - 2014/04/28

  • New Features
    • clustering: Add clear RPC method (#579)
  • Improvements
    • server: Fix loading order of plugin (#743)
    • server: Result of get_status RPC now contains absolute path (#749)
    • clustering: Remove unneeded debug code(#671)
  • Bug fixes
    • server: Linear mixer did not terminated in correct order (#732)
    • clustering: Fix forgetting factor's behavior (#704)

Release 0.5.3 - 2014/03/31

  • New Features
    • classifier: Getter/setter methods to labelset of classifier (#655)
    • client: Add accessors to get/set cluster name in C++ client (#668)
    • client: Add do_mix RPC method in client (#700)
  • Improvements
    • core: Eliminate cmath (#677)
    • fv_converter: Avoid using types depends on CPU arch (64-bit/32-bit) for serialized members (#692)
    • jenerator: Use relative import for python 3 (#712)
    • server: Disable checking ID when loading models (#679)
    • server: Detect IO errors in save (#698)
    • server: Refine mix counting message (#552)
    • server: MIX runs only updated model (#181)
    • server: Remove unused annotations in IDL (#714)
    • proxy: Print log when error occurred during proxy is forwarding requests (#733)
  • Bugfix
    • clustering: Fix clustering test (#690)
    • clustering: Eliminate random number without seed in clustering tests (#718)
    • recommender: Fix recommender get_all_rows distribution mode to random (#683)
    • recommender: Fix bit_index_storage to erase rows with empty vector on MIX (#684)
    • recommender: Fix bit_index and inverted_index erase rows locally (#659)
    • recommender: Modify behavior of remove_row of lsh_index_storage before/after MIX (#681)
    • server: Fix mixer can go to infinite loop (#711)
    • server: Fix dead-lock caused by re-entrant lock acquisition over put_diff RPC (#723)
    • server: Fix RPC error handling in linear_mixer (#729)
    • server: Fix load RPC breaks model (#721)

Release 0.5.2 - 2014/02/24

  • Improvements
    • Fault-tolerant weight-manager (#660)
    • Add do_mix RPC to manually trigger MIX in distributed mode (#653)
    • Allow config file more than 1 KiB in distributed mode (#617, #624)
    • Print model version on MIX (#479, #649)
    • classifier does not return results whose scores are zero (#216)
    • Remove unused fields and functions (#639, #643)
    • More test code added for nearest neighbor (#529, #652)
    • More test code added for clustering (#650)
    • Code style and portability fix (#632, #647)
    • Automatically test if all the IDL elements exist in API reference (#175)
  • Bug fix
    • IDs are mistakenly reused after save/load in jubaanomaly (#613, #661)
    • Fix forgetting parameter in jubaclustering (#673)
    • Fix misuse of C math functions (#663, #664)
    • Some header files are not installed (#666, #674, #678)
    • jubatus_clustering library is missing in pkg-config (#631, #665)
    • Fix JSON unit test failure under 32-bit Linux environment (#636)
    • Jubatus logo is broken (#635)

Release 0.5.1 - 2014/01/27

  • Improvements
    • Add get_status to proxy (#78, #612)
    • Daemon option (#409)
    • Add a build option to disable including Eigen (#542)
    • Fix compile error in Mac OS X (#553)
    • online model copy in classifier (#590)
    • Check permission of directory specified by --datadir (#599)
    • Raise exception if unsupported mix strategy name is specified (#611, #600)
    • Disabling mix if parameter 0 is given (#623)
    • Validate range of command-line option (#626)
    • #270, #477, #574, #622
  • Bugfix
    • Segfault related with ZooKeeper connection (#483, #486, #484)
    • fixed_size_heap may cause access violation (#573)
    • save/load of nearest_neighbor does not work correctly (#567)
    • nearest_neighbor_num is set to reverse_nearest_neighbor_num in lof (#563)
    • Not work correctly when specified --rpc-port=0 (#605)

Release 0.5.0 - 2013/11/22

  • New machine learning service
    • Distributed Nearest Neighbor (jubanearest_neighbor)
    • Distributed Clustering (jubaclustering)
  • New Features
  • Backward Incompatible Changes
    • New model data format (#400, #475)
    • Rename jubakeeper to jubaproxy (#260, #451)
    • Unify config parameter name to "hash_num", old names were bit_num, bitnum and lsh_num (#446, #454)
    • New client interface
  • Improvements
    • Replace re2 with oniguruma regular expression library (#361, #465, #471, #494)
    • Remove pficommon dependency (#467)
    • Activate options for distributed mode in standalone mode (#445)
    • Report redundant configuration as error (#484, #489)
    • Optional configuration (#134, #491)
    • Action that actor node is deleted from zookeeper should means server shutdown (#492, #499)
    • Show cause of error when MIX is failed (#478)
    • Stop loading invalid model file (#468)
    • Output logs that server was stopped by signal (#505, #515)
    • Jubatus servers should be terminated gracefully when ZK session expired (#504, #519)
    • Do not install proxy related headers when disabled zookeeper built (#517, #526)
    • jenerator (#174, #205, #306, #357, #359, #378, #399, #402, #431, #432, #434, #453, #456, #466, #501)
    • #412, #450, #447, #438, #426
  • Bugfix
    • Make complete_row not weight similarities (#413, #452)
    • Fix corrupted DLOG output in zk::remove (#423, #424)
    • C++ client round down the timeout (#269)
    • Fix invalid use of iterator in inverted_index_storage (#498)
    • Check if a plugin dose not return null (#44

Release 0.4.5 - 2013/07/22

  • Improvements
    • Add options to specify ZooKeeper/Interconnect timeout to server/keeper (#344)
    • Test failure on 32bit ubuntu (#349, #396)
    • Fix jenerate install path (#355, #404)
    • Change error message when mecab.h is not found (#408)
    • Fix include file (#169, #410)
    • #416
  • Bugfix
    • Implement graceful exit (#317, #411, #419)
    • Fix mix interval_{sec,count} added by 1 (#340)
    • Fix get_status returns uninitialized values issue (#377, #406)
    • Generate random vectors in make_random. fixes (#398, #401)
    • Fix insufficient -l flags in jubatus.pc (#403)
    • Fix linear_mixer.ticktime returns not integer (#418)
    • #394

Release 0.4.4 - 2013/06/21

  • Improvements
    • Refactor (#323, #332, #367)
    • Make juba.*keeper to allow 30 seconds or over as timeout time (#330)
    • New jenerator (#373)
    • Add CONTRIBUTING.md (#376, #387)
    • #188, #322, #333, #354, #390
  • Bugfix
    • Fix jubavisor to detect child process' exec failure (#215, #362)
    • Eliminate deadlock (#329, #331, #375)
    • Fix jubactl's save and load (#342, #383, #384)
    • Fix jubactl's segfault when using -N option (#363, #388)
    • #315, #319, #320, #327, #348, #358, #381, #385, #386

Release 0.4.3 - 2013/04/19

  • Improvements
    • Support Python 2.4 for building (#296)
    • Code generator 'jenerator' supports Ruby and Python Client
    • Divide server into ML module and RPC server (#264, #311)
    • Fixed Naming rule on some machine learning algorithms (#257, #299)
    • #95, #249, #290, #293, #303, #304, #307, #312, #313, #314, #318
  • Bugfix
    • anomaly: doesn't use weight_manager in fv_converter (#309)
    • classifier: PA2 doesn't use config (#302)
    • #301

Release 0.4.2 - 2013/03/15

  • Improvements
    • Feature extraction configration supports exception rules (#253)
    • Add 'clear' method for classifier, regression and stat (#200, #279)
    • Keeper supports configuration of session pool (#266)
    • Add 'get_client' method for each clients (related #244)
    • Check if thread local variables are enable in configure (#283)
    • Output logs when server started (#258)
    • Output logs when server received signal (#208)
  • Bugfix
    • fv_converter may revert wrong feature (#247)
    • Fix PA update equation (#254)
    • Fix CW update equation (#277)
    • Segfaults when point-to-point (tap) interface is installed (#273)
    • recommender/anomaly: does not call clear() for weight manager (#282)
    • ux_splitter plug-in does not raise error when directory is specified for dict_path (#286)
    • #229, #263, #267, #271, #278

Release 0.4.1 - 2013/02/15

  • Improvements
    • New code generator 'jenerator' for framework users (#240)
    • Applied coding rules based on Google C++ Style Guide
    • jubaconv accepts v0.4.x configuration format (#223, #241)
    • jubaconfig validates JSON syntax of configuration (#226, #245)
    • server/keeper behaves more stably in distributed mode when failed to start listening (#201)
    • pkg-config manifest for Jubatus clients (#228)
  • Bugfix
    • jubastat returns min/max from values only the current window (#238, #242)
    • #230, #231, #233, #234, #235, #237, #248

Release 0.4.0 - 2013/01/11

  • New machine learning service
    • Distributed Anomaly Detection (jubaanomaly)
      • Calculate anomaly measure value
  • Improvements
    • Change RPC implementation to msgpack-rpc based (#27)
      • [ATTENTION] Requires jubatus-mpio and jubatus-msgpack-rpc to install
      • Add mpidl's output converter 'mpidlconv' (#210)
    • Remove set_config API
      • Standalone mode: specify config file using command option '-f, --configpath'
      • Multinode mode: store config data to Zookeeper using jubaconfig (#164)
    • More flexible configration (#38)
      • Support hyper-parameters (#197)
    • Commonize name of variables and functions (#203)
    • Add or Change command options
      • Add bind IP address option '-b, --listen_addr' (#152)
      • Add bind network interfance option '-B, --listen_if' (#152, #214)
      • Check if logging directory specified by '-l, --logdir' is writeable (#206)
      • Add verbosity of log messages option '-e, --loglevel' (#207)
      • Add configuration file option '-f, --configpath'
      • Change '-d, --tmpdir' to '-d, --datadir' (#198)
    • Improve logging
      • Not separate log file for each log level (#207)
      • Add start save/load logs (#195)
      • Add many debug logs
  • Bugfix
    • Client symbols may conflict because of using same namespace (#84)
    • Fix shortest_path when target is found before reaching landmark (#177)
    • Commonize RPC return types and values (#193)
    • Segfaults when plugin throws JUBATUS_EXCEPTION (#211)
    • Fix classifier AROW hyper-parameter conversion (#225)
    • #86, #184, #204, #213, #219
  • Refactoring
    • #186, #187, #191, #192, #199

Release 0.3.4 - 2012/11/26

  • Improvements
    • Add --logdir option
    • Add --enable-debug option to configure (#130)
    • Catch bad cast of fv_converter (#170)
  • Bugfix
    • Plugin basename specification does not work correctly (#57)
    • MIX put_diff/get_diff and update/analyze RPC can be executed on the same time (#171)
    • #121, #131, #136, #150, #155, #156, #157, #160, #163, #165, #167, #172, #179, #180

Release 0.3.3 - 2012/10/29

  • Improvements
    • deb package (#14)
    • Jubatus loads plugin from default directory (#57)
    • Add hash_max_size option to learn in fixed-size memory (#67)
    • OS X Homebrew packaging (#116)
    • GCC compilation version <= 4.2 when zookeeper enabled (#60)
    • Experimental support for Clang compilation (#100)
    • Make the timeout smaller in unittest
    • libmecab_splitter works well in multi-thread environment, and now only support mecab ver. 0.99 or later
    • word_splitter::split method is now constant
    • global_id_generator(standalone-mode) for graph, that supports 32 bit environment (#135)
    • Use (document_frequency + 1) to calculate IDF weight to avoid inifinity
  • Bugfix
    • #94, #104, #106, #108, #110, #111, #113, #114, #117, #118, #124, #126, #129, #133, #138, #139, #146, #148

Release 0.3.2 - 2012/09/21

  • Improvements
    • jubavisor/jubactl support jubatus server options (#75)
    • jubadoc: document generator (.idl => .rst) (#88)
    • jenerator: enabled -o option to specify output directory
    • yum (RPM) packaging (#40)
  • Bugfix
    • #51, #76, #77, #79, #83, #90, #91, #96, #98, #99, #100, #101, #102, #103

Release 0.3.1 - 2012/07/20

  • Improvements
    • RPC enhances to many exceptions and provide new error handling interface (#49)
    • JSON interface for set_config APIs (#44)
    • jubavisor close zk connection correctly (#74)
  • Bugfix
    • #73, #69, #66, #65

Release 0.3.0 - 2012/06/29

  • Improvements
    • Distributed Graph Processing
      • Centrality computation
      • Shortest path search
    • New neighbor-search algorithm for recommender: minhash
    • installs pkgconfig file (#42, jubatus.pc)
    • jubavisor handling signal (#53)
    • Exception handling and error outputs (#55)
  • Bugfix
    • internal API get_storage implemented again (#21)
    • Forgot ignoring signal in keeper #47
    • #54, #45, #15

Release 0.2.3 - 2012/06/08

  • Improvements
    • Asynchronous call to multiple servers at once, both keeper and mix - common/mprpc
    • Refactor generator
    • Error message improve
    • Timeout in unittest expanded
  • Bugfix
    • jubactl doesn't work ver 0.2 and later #13
    • jubavisor doesn't work on daemon mode #5
    • Asynchronous mprpc client critical bug
    • #47, #50, #34, #36, #37, #31, #19, and other small bugfix

Release 0.2.2 - 2012/04/06

  • Improvements
    • Simpler interfaces at classifier, regression and recommender
      • Clients are NOT COMPATIBLE with previous releases
    • Now mix works concurrently in multiple threads (except tf-idf counting)
    • Asynchronous RPC to multiple servers at once
    • Add --version option
    • Interface description language changed from C++-like to Annotated MessagePack-IDL
    • Minor error handling
    • A bit more tested than previous releases
  • Bugfix
    • #30, #29, #22

Release 0.2.1 - 2012/03/13

  • Bugfix
    • #28

Release 0.2.0 - 2012/02/16

  • New Features
    • recommender
      • support fast similar item search, real-time update, distributed data management
      • inverted index : exact result, fast search
      • locality sensitive hash : approximate result, fast search, small working space
    • regression
      • online SVR using passive agressive algorithm
      • as fast as current classifier
    • stat
      • a Key(string)-Value(queue<double>)
      • O(1) cost of getting sum, standard deviation, max, min, statistic moments for each queue
    • server framework
      • less-tightly coupled distributed processing framework with each ML implementation
      • idl & code generator - make it easy to write own jubatus system
      • removed public release of client libraries (so easy to generate!)
      • multiple mix - mutiple data objects can be mixed in one jubatus system
  • Bugfix
    • duplicate key entry in fv_converter breaks the parameter

Release 0.1.1 - 2011/11/15

Bugfix release

Release 0.1.0 - 2011/10/26

Hello Jubatus!

First release: including classifier, and mix operation