milvus/CHANGELOG.md

Changelog

Please mark all change in change log and use the issue from GitHub

Milvus 1.1.0 (2021-06-16)

Bug

• #4897 Query results contain some deleted ids.
• #5164 Exception should be raised if insert or delete entity on the none-existed partition.
• #5191 Mishards throw "index out of range" error after continually search/insert for a period of time.
• #5398 Random crash after request is executed.
• #5537 Failed to load bloom filter after suddenly power off.
• #5574 IVF_SQ8 and IVF_PQ cannot be built on multiple GPUs.
• #5747 Search with big nq and topk crash milvus.

Features

• #1434 Storage: enabling s3 storage support (implemented by Unisinsight).
• #5142 Support keeping index in GPU memory.

Improvements

• #5115 Relax the topk limit from 16384 to 1M for CPU search.
• #5204 Improve IVF query on GPU when no entity deleted.
• #5544 Relax the index_file_size limit from 4GB to 128Gb.

Feature

• #3977 Support logging to stdout

Improvement

• #4754 Reduce the package download size of grpc-milvus for C++ SDK

Task

Milvus 0.10.6 (2021-02-23)

Bug

• #4683 A negative zero may be returned if the metric_type is Tanimoto
• #4678 Server crash on BinaryFlat if dimension is not a power of 2
• #4719 The GPU cache holds much more data than the configured value

Feature

Improvement

• #1970 Improve the performance of BinaryFlat by AVX2
• #3920 Add an optional parameter 'nbtis' for IVF_PQ
• #4676,#4614 Support configurable metric labels cluster and instance for Prometheus (implemented by IQIYI)

Task

Milvus 0.10.5 (2021-01-07)

Bug

• #4296,#4554 Fix mishards add name-mismatched pod to read-only group
• #4307 Specify partition to load for load_collection()
• #4378 Multi-threads to call load_collection() and search() cause Milvus hang
• #4484 Milvus only search default partition if search parameter 'partition_tags' contains '_default'
• #4492 while share file system service became abnormal, the milvus can not supply query service

Feature

• #4504 Add a metric to display the number of files opened by Milvus

Improvement

• #4454 Optimize the process of indexing and querying

Task

Milvus 0.10.4 (2020-12-02)

Bug

• #3626 Fix server crash when searching with IVF_PQ on GPU
• #3903 The performance of IVF_SQ8H in 0.10.3 is degraded
• #3906 Fix the delete task state to avoid server crash
• #4012 Milvus hangs when continually creating and dropping partitions
• #4174 Fix out of memory caused by too many data loaded to GPU
• #4318 Fix memory leak in IVF indexes

Feature

• #3773 Support IVF_PQ to run on FPGA (implemented by Montage-tech)

Improvement

• #3775 Improve search performance in the case that no item deleted
• #4075 Improve performance for create large amount of partitions

Task

Milvus 0.10.3 (2020-9-21)

Bug

• #3536 Release search task in time to avoid excessive memory usage
• #3656 Fix to check search params 'nprobe' of BIN_IVF_FLAT
• #3742 If the GPU cache is too small, IVF_SQ8H using multiple GPUs will cause to crash
• #3760 After IVF_SQ8H querying, an CUDA error will occur when Milvus exits

Feature

Improvement

• #3213 Allow users to specify a distance type at runtime for Flat index
• #3254 Allow more choices for the parameter ‘m’ of IVF_PQ
• #3606 The supported parameter 'nprobe' of IVF is expanded to [1, 16384]
• #3639 The supported parameter 'topk' of searching is expanded to [1, 16384]
• #3784 Upgrade mishards up to v0.10.3

Task

Milvus 0.10.2 (2020-08-15)

Bug

• #2890 Fix the index size caculation in cache
• #2952 Fix the result merging of IVF_PQ IP
• #2975 Fix config UT failed
• #3012 If the cache is too small, queries using multiple GPUs will cause to crash
• #3133 Reverse query result in mishards if metric type is IP

Feature

Improvement

• #2653 Improve IVF search performance when NQ and nProbe are both large
• #2828 Let Faiss not to compile half float by default

Task

Milvus 0.10.1 (2020-07-20)

Bug

• #2487 Enlarge timeout value for creating collection
• #2487 HotFix release lock failed on NAS
• #2557 Fix random crash of INSERT_DUPLICATE_ID case
• #2578 Result count doesn't match target vectors count
• #2585 Support IVF_PQ IP on GPU
• #2598 Fix Milvus docker image report illegal instruction
• #2617 Fix HNSW and RNSG index files size
• #2637 Suit the range of HNSW parameters
• #2642 Create index failed and server crashed
• #2649 Search parameter of annoy has conflict with document
• #2690 Remove body parser in show-partitions endpoints
• #2692 Milvus hangs during multi-thread concurrent search
• #2739 Fix mishards start failed
• #2752 Milvus formats vectors data to double-precision and return to http client
• #2767 Fix a bug of getting wrong nprobe limitation in knowhere on GPU version
• #2768 After building the index, the number of vectors increases
• #2774 Server down during loading data
• #2776 Fix too many data copies during creating IVF index
• #2813 To implemente RNSG IP

Feature

Improvement

• #2932 Upgrade mishards for milvus 0.10.1

Task

Milvus 0.10.0 (2020-06-15)

Bug

• #2367 Fix inconsistent reading and writing when using mishards
• #2368 Make read node detect delete behavior
• #2394 Drop collection timeout if too many partitions created on collection
• #2549 Launch server fail using demo config
• #2564 cache.cache_size range check error

Feature

• #2363 Update branch version
• #2510 Upgrade Milvus config

Improvement

• #2381 Upgrade FAISS to 1.6.3
• #2429 Fix Milvus 0.9.1 performance degrade issue
• #2441 Improve Knowhere code coverage
• #2466 Optimize k-selection implemention of faiss gpu version
• #2489 Add exception throw on mysql meta error
• #2495 Add creating lock file failure reason.
• #2516 Improve unit test coverage
• #2548 Upgrade mishards for milvus v0.10.0

Task

Milvus 0.9.1 (2020-05-29)

Bug

• #2366 Reduce SQL execution times for collection contains lot of partitions
• #2378 Duplicate data after server restart
• #2395 Fix large nq cudaMalloc error
• #2399 The nlist set by the user may not take effect
• #2403 MySQL max_idle_time is 10 by default
• #2450 The deleted vectors may be found on GPU
• #2456 openblas library install failed

Feature

Improvement

• #2353 Remove log_config from code and scripts
• #2370 Clean compile warning
• #2410 Logging build index progress
• #2461 Upgrade mishards for milvus 0.9.1

Milvus 0.9.0 (2020-05-15)

Bug

• #1705 Limit the insert data batch size
• #1776 Error out when index SQ8H run in CPU mode
• #1925 To flush all collections, flush cannot work
• #1929 Skip MySQL meta schema field width check
• #1946 Fix load index file CPU2GPU fail during searching
• #1955 Switch create_index operation to background once client break connection
• #1997 Index file missed after compact
• #2002 Remove log error msg Attributes is null
• #2073 Fix CheckDBConfigBackendUrl error message
• #2076 CheckMetricConfigAddress error message
• #2120 Fix Search expected failed if search params set invalid
• #2121 Allow regex match partition tag when search
• #2128 Check has_partition params
• #2131 Distance/ID returned is not correct if searching with duplicate ids
• #2141 Fix server start failed if wal directory exist
• #2169 Fix SingleIndexTest.IVFSQHybrid unittest
• #2194 Fix get collection info failed
• #2196 Fix server start failed if wal is disabled
• #2203 0.8.0 id=-1 is returned when total count < topk
• #2228 Fix show partitions failed in http module
• #2231 Use server_config to define hard-delete delay time for segment files
• #2261 Re-define result returned by has_collection if collection in delete state
• #2264 Milvus opened too many files when the metric_config.enable_monitor=true
• #2266 Server hangs when using multi-clients to query different collections
• #2280 has_partition should return true for _default

Feature

• #1751 Add api SearchByID
• #1752 Add api GetVectorsByID
• #1962 Add api HasPartition
• #1965 FAISS/NSG/HNSW/ANNOY use unified distance calculation algorithm
• #2054 Check if CPU instruction sets are illegal
• #2057 Add a config parameter to switch off http server
• #2059 Add lock file avoid multiple instances modifying data at the same time
• #2064 Warn when use SQLite as metadata management
• #2111 Check GPU environment before start server
• #2206 Log file rotating
• #2240 Obtain running rpc requests information
• #2268 Intelligently detect openblas library in system to avoid installing from source code every time
• #2283 Suspend the building tasks when any query comand arrives.

Improvement

• #221 Refactor LOG macro
• #833 Catch exception in RolloutHandler and output in stderr
• #1796 Compile Openblas with source code to improve the performance
• #1942 Background merge file strategy
• #2039 Support Milvus run on SSE CPUs
• #2149 Merge server_cpu_config.template and server_gpu_config.template
• #2153 Upgrade thirdparty oatpp to v1.0.0
• #2167 Merge log_config.conf with server_config.yaml
• #2173 Check storage permission
• #2178 Using elkan K-Means to improve IVF
• #2185 Change id to string format in http module
• #2186 Update endpoints in http module
• #2190 Fix memory usage is twice of index size when using GPU searching
• #2248 Use hostname and port as instance label of metrics
• #2252 Upgrade mishards APIs and requirements
• #2256 k-means clustering algorithm use only Euclidean distance metric
• #2300 Upgrade mishrads configuration to version 0.4
• #2311 Update mishards methods
• #2330 Change url for behavior 'get_entities_by_id'
• #2347 Update http document for v0.9.0
• #2358 Upgrade mishards for v0.9.0

Task

Milvus 0.8.0 (2020-04-15)

Bug

• #1276 SQLite throw exception after create 50000+ partitions in a table
• #1762 Server is not forbidden to create new partition which tag is _default
• #1789 Fix multi-client search cause server crash
• #1832 Fix crash in tracing module
• #1873 Fix index file serialize to incorrect path
• #1881 Fix bad alloc when index files lost
• #1883 Fix inserted vectors becomes all zero when index_file_size >= 2GB
• #1901 Search failed with flat index
• #1903 Fix invalid annoy result
• #1910 C++ SDK GetIDsInSegment could not work for large dataset

Feature

• #261 Integrate ANNOY into Milvus
• #1655 GPU index support delete vectors
• #1660 IVF PQ CPU support deleted vectors searching
• #1661 HNSW support deleted vectors searching
• #1825 Add annoy index type in C++ sdk
• #1849 NSG support deleted vectors searching
• #1893 Log config information and device information

Improvement

• #1627 Move read/write index APIs into codec
• #1784 Add Substructure and Superstructure in http module
• #1858 Disable S3 build
• #1882 Add index annoy into http module
• #1885 Optimize knowhere unittest
• #1886 Refactor log on search and insert request
• #1897 Heap pop and push can be realized by heap_swap_top
• #1921 Use TimeRecorder instead of chrono
• #1928 Fix too many data and uid copies when loading files
• #1930 Upgrade mishards to v0.8.0

Task

Milvus 0.7.1 (2020-03-29)

Bug

• #1301 Data in WAL may be accidentally inserted into a new table with the same name.
• #1634 Fix search demo bug in HTTP doc
• #1635 Vectors can be returned by searching after vectors deleted if cache_insert_data set true
• #1648 The cache cannot be used all when the vector type is binary
• #1651 Check validity of dimension when collection metric type is binary one
• #1663 PQ index parameter 'm' validation
• #1686 API search_in_files cannot work correctly when vectors is stored in certain non-default partition
• #1689 Fix SQ8H search fail on SIFT-1B dataset
• #1667 Create index failed with type: rnsg if metric_type is IP
• #1708 NSG search crashed
• #1724 Remove unused unittests
• #1728 Optimize request handler to combine similar query
• #1734 Opentracing for combined search request
• #1735 Fix search out of memory with ivf_flat
• #1747 Expected error status if search with partition_tag not existed
• #1756 Fix memory exhausted during searching
• #1781 Fix search hang with SQ8H
• #1812 Fix incorrect request method in search example in http readme
• #1818 Duplicate data generated after restart milvus server

Feature

• #1603 BinaryFlat add 2 Metric: Substructure and Superstructure

Improvement

• #267 Improve search performance: reduce delay
• #342 Knowhere and Wrapper refactor
• #1537 Optimize raw vector and uids read/write
• #1546 Move Config.cpp to config directory
• #1547 Rename storage/file to storage/disk and rename classes
• #1548 Move store/Directory to storage/Operation and add FSHandler
• #1572 Optimize config cpu/gpu cache_capacity setter
• #1619 Improve compact performance
• #1649 Fix Milvus crash on old CPU
• #1653 IndexFlat (SSE) and IndexBinaryFlat performance improvement for small NQ
• #1678 Remove CUSTOMIZATION macro
• #1698 Upgrade mishards to v0.7.0
• #1719 Improve Milvus log
• #1754 Optimize behavior to get file ids from metadata in mishards
• #1799 Update docker images to 0.7.1 in mishards

Task

Milvus 0.7.0 (2020-03-11)

Bug

• #715 Milvus crash when searching and building index simultaneously using SQ8H
• #744 Don't return partition table for show_tables
• #770 Server unittest run failed on low-end server
• #805 IVFTest.gpu_seal_test unittest failed
• #831 Judge branch error in CommonUtil.cpp
• #977 Server crash when create tables concurrently
• #990 Check gpu resources setting when assign repeated value
• #995 Table count set to 0 if no tables found
• #1010 Improve error message when offset or page_size is equal 0
• #1022 Check if partition name is valid
• #1028 Check if table exists when show partitions
• #1029 Check if table exists when try to delete partition
• #1066 Optimize http insert and search speed
• #1022 Check if partition name is legal
• #1028 Check if table exists when show partitions
• #1029 Check if table exists when try to delete partition
• #1066 Optimize http insert and search speed
• #1067 Add binary vectors support in http server
• #1075 Improve error message when page size or offset is illegal
• #1082 Check page_size or offset value to avoid float
• #1115 Http server support load table into memory
• #1152 Error log output continuously after server start
• #1211 Server down caused by searching with index_type: HNSW
• #1240 Update license declaration
• #1298 Unit test failed when on CPU2GPU case
• #1359 Negative distance value returned when searching with HNSW index type
• #1429 Server crashed when searching vectors with GPU
• #1476 Fix vectors results bug when getting vectors from segments
• #1484 Index type changed to IDMAP after compacted
• #1491 Server crashed during adding vectors
• #1499 Fix duplicated ID number issue
• #1504 Avoid possible race condition between delete and search
• #1507 set_config for insert_buffer_size is wrong
• #1510 Add set interfaces for WAL configurations
• #1511 Fix big integer cannot pass to server correctly
• #1517 Result is not correct when search vectors in multi partition, index type is RNSG
• #1518 Table count did not match after deleting vectors and compact
• #1521 Make cache_insert_data take effect in-service
• #1525 Add setter API for config preload_table
• #1529 Fix server crash when cache_insert_data enabled
• #1530 Set table file with correct engine type in meta
• #1532 Search with ivf_flat failed with open-dataset: sift-256-hamming
• #1535 Degradation searching performance with metric_type: binary_idmap
• #1549 Fix server/wal config setting bug
• #1556 Index file not created after table and index created
• #1560 Search crashed with Super-high dimensional binary vector
• #1564 Too low recall for glove-200-angular, ivf_pq index
• #1571 Meta engine type become IDMAP after dropping index for BINARY table
• #1574 Set all existing bitset in cache when applying deletes
• #1577 Row count incorrect if delete vectors then create index
• #1580 Old segment folder not removed after merge/compact if create_index is called before adding data
• #1590 Server down caused by failure to write file during concurrent mixed operations
• #1598 Server down during mixed operations
• #1601 External link bug in HTTP doc
• #1609 Refine Compact function
• #1808 Building index params check for Annoy
• #1852 Search index type failed with reason failed to load index file

Feature

• #216 Add CLI to get server info
• #343 Add Opentracing
• #665 Support get/set config via CLI
• #759 Put C++ sdk out of milvus/core
• #766 If partition tag is similar, wrong partition is searched
• #771 Add server build commit info interface
• #788 Add web server into server module
• #813 Add push mode for prometheus monitor
• #815 Support MinIO storage
• #823 Support binary vector tanimoto/jaccard/hamming metric
• #830 Support WAL(write-ahead logging)
• #853 Support HNSW
• #861 Support DeleteById / SearchByID / GetVectorById / Flush
• #910 Change Milvus c++ standard to c++17
• #1122 Support AVX-512 in FAISS
• #1204 Add api to get table data information
• #1250 Support CPU profiling
• #1302 Get all record IDs in a segment by given a segment id
• #1461 Add crud APIs and segments APIs into http module
• #1463 Update config version to 0.2
• #1531 Remove S3 related config

Improvement

• #738 Use Openblas / lapack from apt install
• #758 Enhance config description
• #791 Remove Arrow
• #834 Add cpu mode for built-in Faiss
• #848 Add ready-to-use config files to the Milvus repo for enhanced user experince
• #860 Remove redundant checks in CacheMgr's constructor
• #908 Move "primary_path" and "secondary_path" to storage config
• #931 Remove "collector" from config
• #966 Update NOTICE.md
• #1002 Rename minio to s3 in Storage Config section
• #1078 Move 'insert_buffer_size' to Cache Config section
• #1105 Error message is not clear when creating IVFSQ8H index without gpu resources
• #740, #849, #878, #972, #1033, #1161, #1173, #1199, #1190, #1223, #1222, #1257, #1264, #1269, #1164, #1303, #1304, #1324, #1388, #1459 Various fixes and improvements for Milvus documentation.
• #1297 Hide partition_name parameter, avid user directly access partition table
• #1234 Do S3 server validation check when Milvus startup
• #1263 Allow system conf modifiable and some take effect directly
• #1310 Add default partition tag for a table
• #1320 Remove debug logging from faiss
• #1426 Support to configure whether to enabled autoflush and the autoflush interval
• #1444 Improve delete
• #1448 General proto api for NNS libraries
• #1480 Add return code for AVX512 selection
• #1524 Update config "preload_table" description
• #1544 Update resources name in HTTP module
• #1567 Update yaml config description

Task

• #1327 Exclude third-party code from codebeat
• #1331 Exclude third-party code from codacy

Milvus 0.6.0 (2019-12-07)

Bug

• #228 Memory usage increased slowly during searching vectors
• #246 Exclude src/external folder from code coverage for jenkin ci
• #248 Reside src/external in thirdparty
• #316 Some files not merged after vectors added
• #327 Search does not use GPU when index type is FLAT
• #331 Add exception handle when search fail
• #340 Test cases run failed on 0.6.0
• #353 Rename config.h.in to version.h.in
• #374 sdk_simple return empty result
• #377 Create partition success if tag name only contains spaces
• #397 sdk_simple return incorrect result
• #399 Create partition should be failed if partition tag existed
• #412 Message returned is confused when partition created with null partition name
• #416 Drop the same partition success repeatally
• #440 Query API in customization still uses old version
• #440 Server cannot startup with gpu_resource_config.enable=false in GPU version
• #458 Index data is not compatible between 0.5 and 0.6
• #465 Server hang caused by searching with nsg index
• #485 Increase code coverage rate
• #486 gpu no usage during index building
• #497 CPU-version search performance decreased
• #504 The code coverage rate of core/src/scheduler/optimizer is too low
• #509 IVF_PQ index build trapped into dead loop caused by invalid params
• #513 Unittest DELETE_BY_RANGE sometimes failed
• #523 Erase file data from cache once the file is marked as deleted
• #527 faiss benchmark not compatible with faiss 1.6.0
• #530 BuildIndex stop when do build index and search simultaneously
• #532 Assigin value to table_name from confest shell
• #533 NSG build failed with MetricType Inner Product
• #543 client raise exception in shards when search results is empty
• #545 Avoid dead circle of build index thread when error occurs
• #547 NSG build failed using GPU-edition if set gpu_enable false
• #548 NSG search accuracy is too low
• #552 Server down during building index_type: IVF_PQ using GPU-edition
• #561 Milvus server should report exception/error message or terminate on mysql metadata backend error
• #579 Build index hang in GPU version when gpu_resources disabled
• #596 Frequently insert operation cost too much disk space
• #599 Build index log is incorrect
• #602 Optimizer specify wrong gpu_id
• #606 No log generated during building index with CPU
• #616 IP search metric_type is not supported by IVF_PQ index
• #631 FAISS isn't compiled with O3 option
• #636 (CPU) Create index PQ should be failed if table metric type set Inner Product
• #649 Typo "partiton" should be "partition"
• #654 Random crash when frequently insert vector one by one
• #658 Milvus error out when building SQ8H index without GPU resources
• #668 Update badge of README
• #670 Random failure of unittest db_test::SEARCH_TEST
• #674 Server down in stability test
• #696 Metric_type changed from IP to L2
• #705 Fix search SQ8H crash without GPU resource

Feature

• #12 Pure CPU version for Milvus
• #77 Support table partition
• #127 Support new Index type IVFPQ
• #226 Experimental shards middleware for Milvus
• #227 Support new index types SPTAG-KDT and SPTAG-BKT
• #346 Support build index with multiple gpu
• #420 Update shards merge part to match v0.5.3
• #488 Add log in scheduler/optimizer
• #502 C++ SDK support IVFPQ and SPTAG
• #560 Add version in server config file
• #605 Print more messages when server start
• #644 Add a new rpc command to get milvus build version whether cpu or gpu
• #709 Show last commit id when server start

Improvement

• #255 Add ivfsq8 test report detailed version
• #260 C++ SDK README
• #266 RPC request source code refactor
• #274 Logger the time cost during preloading data
• #275 Rename C++ SDK IndexType
• #284 Change C++ SDK to shared library
• #306 Use int64 for all config integer
• #310 Add Q&A for 'protocol https not supported or disable in libcurl' issue
• #314 add Find FAISS in CMake
• #322 Add option to enable / disable prometheus
• #354 Build migration scripts into milvus docker image
• #358 Add more information in build.sh and install.md
• #404 Add virtual method Init() in Pass abstract class
• #409 Add a Fallback pass in optimizer
• #433 C++ SDK query result is not easy to use
• #449 Add ShowPartitions example for C++ SDK
• #470 Small raw files should not be build index
• #584 Intergrate internal FAISS
• #611 Remove MILVUS_CPU_VERSION
• #634 FAISS GPU version is compiled with O0
• #737 Refactor server module to separate Grpc from server handler and scheduler

Task

Milvus 0.5.3 (2019-11-13)

Bug

• #258 Bytes type in proto cause big-endian/little-endian problem

Feature

Improvement

• #204 improve grpc performance in search
• #207 Add more unittest for config set/get
• #208 Optimize unittest to support run single test more easily
• #284 Change C++ SDK to shared library
• #260 C++ SDK README

Task

Milvus 0.5.2 (2019-11-07)

Bug

• #194 Search faild: message="Table file doesn't exist"

Feature

Improvement

• #190 Update default config:use_blas_threshold to 1100 and server version printout to 0.5.2

Task

Milvus 0.5.1 (2019-11-04)

Bug

• #134 JFrog cache error
• #161 Search IVFSQHybrid crash on gpu
• #169 IVF_FLAT search out of memory

Feature

• #90 The server start error messages could be improved to enhance user experience
• #104 test_scheduler core dump
• #115 Using new structure for tasktable
• #139 New config option use_gpu_threshold
• #146 Add only GPU and only CPU version for IVF_SQ8 and IVF_FLAT
• #164 Add CPU version for building index

Improvement

• #64 Improvement dump function in scheduler
• #80 Print version information into log during server start
• #82 Move easyloggingpp into "external" directory
• #92 Speed up CMake build process
• #96 Remove .a file in milvus/lib for docker-version
• #118 Using shared_ptr instead of weak_ptr to avoid performance loss
• #122 Add unique id for Job
• #130 Set task state MOVED after resource copy it completed
• #149 Improve large query optimizer pass
• #156 Not return error when search_resources and index_build_device set cpu
• #159 Change the configuration name from 'use_gpu_threshold' to 'gpu_search_threshold'
• #168 Improve result reduce
• #175 add invalid config unittest

Task

Milvus 0.5.0 (2019-10-21)

Bug

• MS-568 Fix gpuresource free error
• MS-572 Milvus crash when get SIGINT
• MS-577 Unittest Query randomly hung
• MS-587 Count get wrong result after adding vectors and index built immediately
• MS-599 Search wrong result when table created with metric_type: IP
• MS-601 Docker logs error caused by get CPUTemperature error
• MS-605 Server going down during searching vectors
• MS-620 Get table row counts display wrong error code
• MS-622 Delete vectors should be failed if date range is invalid
• MS-624 Search vectors failed if time ranges long enough
• MS-637 Out of memory when load too many tasks
• MS-639 SQ8H index created failed and server hang
• MS-640 Cache object size calculate incorrect
• MS-641 Segment fault(signal 11) in PickToLoad
• MS-644 Search crashed with index-type: flat
• MS-647 grafana display average cpu-temp
• MS-652 IVFSQH quantization double free
• MS-650 SQ8H index create issue
• MS-653 When config check fail, Milvus close without message
• MS-654 Describe index timeout when building index
• MS-658 Fix SQ8 Hybrid can't search
• MS-665 IVF_SQ8H search crash when no GPU resource in search_resources
• #9 Change default gpu_cache_capacity to 4
• #20 C++ sdk example get grpc error
• #23 Add unittest to improve code coverage
• #31 make clang-format failed after run build.sh -l
• #39 Create SQ8H index hang if using github server version
• #30 Some troubleshoot messages in Milvus do not provide enough information
• #48 Config unittest failed
• #59 Topk result is incorrect for small dataset

Improvement

• MS-552 Add and change the easylogging library
• MS-553 Refine cache code
• MS-555 Remove old scheduler
• MS-556 Add Job Definition in Scheduler
• MS-557 Merge Log.h
• MS-558 Refine status code
• MS-562 Add JobMgr and TaskCreator in Scheduler
• MS-566 Refactor cmake
• MS-574 Milvus configuration refactor
• MS-578 Make sure milvus5.0 don't crack 0.3.1 data
• MS-585 Update namespace in scheduler
• MS-606 Speed up result reduce
• MS-608 Update TODO names
• MS-609 Update task construct function
• MS-611 Add resources validity check in ResourceMgr
• MS-619 Add optimizer class in scheduler
• MS-626 Refactor DataObj to support cache any type data
• MS-648 Improve unittest
• MS-655 Upgrade SPTAG
• #42 Put union of index_build_device and search resources to gpu_pool
• #67 Avoid linking targets multiple times in cmake

Feature

• MS-614 Preload table at startup
• MS-627 Integrate new index: IVFSQHybrid
• MS-631 IVFSQ8H Index support
• MS-636 Add optimizer in scheduler for FAISS_IVFSQ8H

Task

• MS-554 Change license to Apache 2.0
• MS-561 Add contributing guidelines, code of conduct and README docs
• MS-567 Add NOTICE.md
• MS-569 Complete the NOTICE.md
• MS-575 Add Clang-format & Clang-tidy & Cpplint
• MS-586 Remove BUILD_FAISS_WITH_MKL option
• MS-590 Refine cmake code to support cpplint
• MS-600 Reconstruct unittest code
• MS-602 Remove zilliz namespace
• MS-610 Change error code base value from hex to decimal
• MS-624 Re-organize project directory for open-source
• MS-635 Add compile option to support customized faiss
• MS-660 add ubuntu_build_deps.sh
• #18 Add all test cases

Milvus 0.4.0 (2019-09-12)

Bug

• MS-119 The problem of combining the log files
• MS-121 The problem that user can't change the time zone
• MS-411 Fix metric unittest linking error
• MS-412 Fix gpu cache logical error
• MS-416 ExecutionEngineImpl::GpuCache has not return value cause crash
• MS-417 YAML sequence load disable cause scheduler startup failed
• MS-413 Create index failed and server exited
• MS-427 Describe index error after drop index
• MS-432 Search vectors params nprobe need to check max number
• MS-431 Search vectors params nprobe: 0/-1, expected result: raise exception
• MS-331 Crate Table : when table exists, error code is META_FAILED(code=15) rather than ILLEGAL TABLE NAME(code=9))
• MS-430 Search no result if index created with FLAT
• MS-443 Create index hang again
• MS-436 Delete vectors failed if index created with index_type: IVF_FLAT/IVF_SQ8
• MS-449 Add vectors twice success, once with ids, the other no ids
• MS-450 server hang after run stop_server.sh
• MS-458 Keep building index for one file when no gpu resource
• MS-461 Mysql meta unittest failed
• MS-462 Run milvus server twices, should display error
• MS-463 Search timeout
• MS-467 mysql db test failed
• MS-470 Drop index success, which table not created
• MS-471 code coverage run failed
• MS-492 Drop index failed if index have been created with index_type: FLAT
• MS-493 Knowhere unittest crash
• MS-453 GPU search error when nprobe set more than 1024
• MS-474 Create index hang if use branch-0.3.1 server config
• MS-510 unittest out of memory and crashed
• MS-507 Dataset 10m-512, index type sq8，performance in-normal when set CPU_CACHE to 16 or 64
• MS-543 SearchTask fail without exception
• MS-582 grafana displays changes frequently

Improvement

• MS-327 Clean code for milvus
• MS-336 Scheduler interface
• MS-344 Add TaskTable Test
• MS-345 Add Node Test
• MS-346 Add some implementation of scheduler to solve compile error
• MS-348 Add ResourceFactory Test
• MS-350 Remove knowhere submodule
• MS-354 Add task class and interface in scheduler
• MS-355 Add copy interface in ExcutionEngine
• MS-357 Add minimum schedule function
• MS-359 Add cost test in new scheduler
• MS-361 Add event in resource
• MS-364 Modify tasktableitem in tasktable
• MS-365 Use tasktableitemptr instead in event
• MS-366 Implement TaskTable
• MS-368 Implement cost.cpp
• MS-371 Add TaskTableUpdatedEvent
• MS-373 Add resource test
• MS-374 Add action definition
• MS-375 Add Dump implementation for Event
• MS-376 Add loader and executor enable flag in Resource avoid diskresource execute task
• MS-377 Improve process thread trigger in ResourceMgr, Scheduler and TaskTable
• MS-378 Debug and Update normal_test in scheduler unittest
• MS-379 Add Dump implementation in Resource
• MS-380 Update resource loader and executor, work util all finished
• MS-383 Modify condition variable usage in scheduler
• MS-384 Add global instance of ResourceMgr and Scheduler
• MS-389 Add clone interface in Task
• MS-390 Update resource construct function
• MS-391 Add PushTaskToNeighbourHasExecutor action
• MS-394 Update scheduler unittest
• MS-400 Add timestamp record in task state change function
• MS-402 Add dump implementation for TaskTableItem
• MS-406 Add table flag for meta
• MS-403 Add GpuCacheMgr
• MS-404 Release index after search task done avoid memory increment continues
• MS-405 Add delete task support
• MS-407 Reconstruct MetricsCollector
• MS-408 Add device_id in resource construct function
• MS-409 Using new scheduler
• MS-413 Remove thrift dependency
• MS-410 Add resource config comment
• MS-414 Add TaskType in Scheduler::Task
• MS-415 Add command tasktable to dump all tasktables
• MS-418 Update server_config.template file, set CPU compute only default
• MS-419 Move index_file_size from IndexParam to TableSchema
• MS-421 Add TaskLabel in scheduler
• MS-422 Support DeleteTask in Multi-GpuResource case
• MS-428 Add PushTaskByDataLocality in scheduler
• MS-440 Add DumpTaskTables in sdk
• MS-442 Merge Knowhere
• MS-445 Rename CopyCompleted to LoadCompleted
• MS-451 Update server_config.template file, set GPU compute default
• MS-455 Distribute tasks by minimal cost in scheduler
• MS-460 Put transport speed as weight when choosing neighbour to execute task
• MS-459 Add cache for pick function in tasktable
• MS-476 Improve search performance
• MS-482 Change search stream transport to unary in grpc
• MS-487 Define metric type in CreateTable
• MS-488 Improve code format in scheduler
• MS-495 cmake: integrated knowhere
• MS-496 Change the top_k limitation from 1024 to 2048
• MS-502 Update tasktable_test in scheduler
• MS-504 Update node_test in scheduler
• MS-505 Install core unit test and add to coverage
• MS-508 Update normal_test in scheduler
• MS-532 Add grpc server unittest
• MS-511 Update resource_test in scheduler
• MS-517 Update resource_mgr_test in scheduler
• MS-518 Add schedinst_test in scheduler
• MS-519 Add event_test in scheduler
• MS-520 Update resource_test in scheduler
• MS-524 Add some unittest in event_test and resource_test
• MS-525 Disable parallel reduce in SearchTask
• MS-527 Update scheduler_test and enable it
• MS-528 Hide some config used future
• MS-530 Add unittest for SearchTask->Load
• MS-531 Disable next version code
• MS-533 Update resource_test to cover dump function
• MS-523 Config file validation
• MS-539 Remove old task code
• MS-546 Add simple mode resource_config
• MS-570 Add prometheus docker-compose file
• MS-576 Scheduler refactor
• MS-592 Change showtables stream transport to unary

Feature

• MS-343 Implement ResourceMgr
• MS-338 NewAPI: refine code to support CreateIndex
• MS-339 NewAPI: refine code to support DropIndex
• MS-340 NewAPI: implement DescribeIndex

Task

• MS-297 disable mysql unit test

Milvus 0.3.1 (2019-07-10)

Bug

• MS-148 Disable cleanup if mode is read only
• MS-149 Fixed searching only one index file issue in distributed mode
• MS-153 Fix c_str error when connecting to MySQL
• MS-157 Fix changelog
• MS-190 Use env variable to switch mem manager and fix cmake
• MS-217 Fix SQ8 row count bug
• MS-224 Return AlreadyExist status in MySQLMetaImpl::CreateTable if table already exists
• MS-232 Add MySQLMetaImpl::UpdateTableFilesToIndex and set maximum_memory to default if config value = 0
• MS-233 Remove mem manager log
• MS-230 Change parameter name: Maximum_memory to insert_buffer_size
• MS-234 Some case cause background merge thread stop
• MS-235 Some test cases random fail
• MS-236 Add MySQLMetaImpl::HasNonIndexFiles
• MS-257 Update bzip2 download url
• MS-288 Update compile scripts
• MS-330 Stability test failed caused by server core dumped
• MS-347 Build index hangs again
• MS-382 fix MySQLMetaImpl::CleanUpFilesWithTTL unknown column bug

Improvement

• MS-156 Add unittest for merge result functions
• MS-152 Delete assert in MySQLMetaImpl and change MySQLConnectionPool impl
• MS-204 Support multi db_path
• MS-206 Support SQ8 index type
• MS-208 Add buildinde interface for C++ SDK
• MS-212 Support Inner product metric type
• MS-241 Build Faiss with MKL if using Intel CPU; else build with OpenBlas
• MS-242 Clean up cmake and change MAKE_BUILD_ARGS to be user defined variable
• MS-245 Improve search result transfer performance
• MS-248 Support AddVector/SearchVector profiling
• MS-256 Add more cache config
• MS-260 Refine log
• MS-249 Check machine hardware during initialize
• MS-261 Update faiss version to 1.5.3 and add BUILD_FAISS_WITH_MKL as an option
• MS-266 Improve topk reduce time by using multi-threads
• MS-275 Avoid sqlite logic error excetion
• MS-278 add IndexStatsHelper
• MS-313 add GRPC
• MS-325 add grpc status return for C++ sdk and modify some format
• MS-278 Add IndexStatsHelper
• MS-312 Set openmp thread number by config
• MS-305 Add CPU core percent metric
• MS-310 Add milvus CPU utilization ratio and CPU/GPU temperature metrics
• MS-324 Show error when there is not enough gpu memory to build index
• MS-328 Check metric type on server start
• MS-332 Set grpc and thrift server run concurrently
• MS-352 Add hybrid index

Feature

• MS-180 Add new mem manager
• MS-195 Add nlist and use_blas_threshold conf
• MS-137 Integrate knowhere

Task

• MS-125 Create 0.3.1 release branch
• MS-306 Optimize build efficiency

Milvus 0.3.0 (2019-06-30)

Bug

• MS-104 Fix unittest lcov execution error
• MS-102 Fix build script file condition error
• MS-80 Fix server hang issue
• MS-89 Fix compile failed, libgpufaiss.a link missing
• MS-90 Fix arch match incorrect on ARM
• MS-99 Fix compilation bug
• MS-110 Avoid huge file size

Improvement

• MS-82 Update server startup welcome message
• MS-83 Update vecwise to Milvus
• MS-77 Performance issue of post-search action
• MS-22 Enhancement for MemVector size control
• MS-92 Unify behavior of debug and release build
• MS-98 Install all unit test to installation directory
• MS-115 Change is_startup of metric_config switch from true to on
• MS-122 Archive criteria config
• MS-124 HasTable interface
• MS-126 Add more error code
• MS-128 Change default db path

Feature

• MS-57 Implement index load/search pipeline
• MS-56 Add version information when server is started
• MS-64 Different table can have different index type
• MS-52 Return search score
• MS-66 Support time range query
• MS-68 Remove rocksdb from third-party
• MS-70 cmake: remove redundant libs in src
• MS-71 cmake: fix faiss dependency
• MS-72 cmake: change prometheus source to git
• MS-73 cmake: delete civetweb
• MS-65 Implement GetTableRowCount interface
• MS-45 Implement DeleteTable interface
• MS-75 cmake: change faiss version to 1.5.2; add CUDA gencode
• MS-81 Fix faiss ptx issue; change cuda gencode
• MS-84 cmake: add arrow, jemalloc and jsoncons third party; default build option OFF
• MS-85 add NetIO metric
• MS-96 add new query interface for specified files
• MS-97 Add S3 SDK for MinIO Storage
• MS-105 Add MySQL
• MS-130 Add prometheus_test
• MS-144 Add nprobe config
• MS-147 Enable IVF
• MS-130 Add prometheus_test

Task

• MS-74 Change README.md in cpp
• MS-88 Add support for arm architecture

Milvus 0.2.0 (2019-05-31)

Bug

• MS-32 Fix thrift error
• MS-34 Fix prometheus-cpp thirdparty
• MS-67 Fix license check bug
• MS-76 Fix pipeline crash bug
• MS-100 CMake: fix AWS build issue
• MS-101 Change AWS build type to Release

Improvement

• MS-20 Clean Code Part 1

Feature

• MS-5 Implement Auto Archive Feature
• MS-6 Implement SDK interface part 1
• MS-16 Implement metrics without prometheus
• MS-21 Implement SDK interface part 2
• MS-26 CMake. Add thirdparty packages
• MS-31 CMake: add prometheus
• MS-33 CMake: add -j4 to make third party packages build faster
• MS-27 Support gpu config and disable license build config in cmake
• MS-47 Add query vps metrics
• MS-37 Add query, cache usage, disk write speed and file data size metrics
• MS-30 Use faiss v1.5.2
• MS-54 CMake: Change Thrift third party URL to github.com
• MS-69 Prometheus: add all proposed metrics

Task

• MS-1 Add CHANGELOG.md
• MS-4 Refactor the vecwise_engine code structure
• MS-62 Search range to all if no date specified