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# 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<Annoy> 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 sq8performance 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