Added

• add go sdk demo

Removed

Changed

• check vector field and document_id for document/upsert

Fixed

• fix multi filter search error, fix field range index boundary error
• fix multiple vector search
• fix override warning
• fix macOS compile error

Added

• add option to show hnsw search information
• add metric "vearch_disk_stat"
• add interface for index/flush and index/forcemerge
• add move_member interface to move members
• support for modifying a single field
• add option to describe index information for interface of index/rebuild
• Add "space_name" to the engine to distinguish logs from different spaces
• add interface of index/rebuild
• add devtoolset-10

Removed

• remove return value of source and set return fields in unified way
• remove field source
• remove storage type "Mmap"
• remove zstd
• remove zfp

Changed

• Change the storage type of the table to RocksDB
• print "meminfo" and "UnaryHandler" only when the LogInfoPrintSwitch switch is turned on
• check store_type and retrival_type for index
• change indexed str limit to 1024 in router
• unified rocksdb version

Fixed

• fix load of ivfpq index
• fix contex leak and reduce debug.Stack() calls
• fix bug when create vector table failed
• set empty list when document delete have no result

Added

• add log for panic infomation
• add load_balance
• add option for check_restart
• add option to show detail info or not for cluster/health interface
• add resource check to prevent crash

Removed

Changed

• extend STR_MAX_INDEX_LEN from 255 to 1024

Fixed

• modify field_range_index delete fail log level
• Some index optimizations
• fix context leak
• limit field_range_index_ size to prevent large memory alloc on loading

Added

• Add option of cluster_state in config
• Add node to faulty list on rpc error
• Add interface of document/query
• Add interface of document/upsert
• Add interface of document/search
• Add limit for document interface
• Add config option for replica_num

Removed

Changed

• Redefine data interfaces
• Make rocksdb the default component
• Document/query support to get document on specify partition
• Unify the return format of document/delete interface
• Simplify the return data of document/upsert
• Unify the return format of document/[query|upsert] interface
• Update langchain plugins
• Update etcd version to v3.5.6
• Change etcd InitialClusterToken to cluster name
• Change item_to_docid_ storage to rocksdb

Fixed

• Reformat codes and clear some warnnings
• Fix etcd import address

Added

• Add option for limited db num to one (5756df1) (07f4e91)
• Add docker-image.yml (5bb07da)
• Add Authorization for interface of router (7679e61)

Removed

Changed

• Support domain_name for etcd (f0c1e2b)
• Update process property array log (b017ae3)
• Add the _id return value of the get interface (e1dcd76)

Fixed

Added

• Add proxy master request in router (07f4e91)
• Add GetMemoryInfo (bd035ab)
• Add prefix for etcd key (c60fdb3)

Removed

• Remove BuildFieldIndex (b5b00e0)

Changed

• Filter error items in handlerQueryDocByIdsFeature(ce2b3d7)
• Show handler cost time (d611261)
• Don't check is_brute_search when query parameters don't have vector (d611261)

Fixed

• Fix engine close MultiFieldsRangeIndex::FieldOperateWorker crash (6dc2dd8)
• Fix etcd version (20502ad)

Added

• Add support for langchain (a1b2d02)

Changed

• Set some default value for GammaVectorInfo in python sdk (16792a0)

Fixed

• Fix float32 filter error (d8a6c26)
• Fix schema index nil panic (176fab9)
• Fix python sdk compatibility (b550395)
• Fix HasBoost (07b98c4)

Added

• Filter maxStrLen from router (e5bc563)
• Add interface to get doc through docid in the specified partition (f1e3ce2)

Removed

• Remove gammacb/lib (6d13d22)

Changed

• Simplify python sdk function "create_table" (07a8379)
• Load PS space meta info from master (504e017)

Fixed

• Accelerate PS restart speed in place (56fb09e)
• Fix python sdk load err (911c464)
• Check nprobe for ivfflat (c47c6a5)
• Check update/delete id for hnsw (553b06c)
• Fix create table error which may cause ps crash (952fb14)

Added

• Add python demos
• Add more info in cluster/health and cluster/stats
• Add python sdk
• Add ps faulty list

Removed

• Delete_by_query no longer supports containing vectors

Changed

• Use rocksdb instead of mmap to persist memory raw vector

Fixed

• Fix raft error
• Fix delete_by_query
• Fix possible int overflow when vector dimension is large
• Fix null pointer when the search result is null
• Fix illegal json error when id type is long and the value is out of bound

1.Add option for build script.
2.HNSW now support brute force search.
3.Classification of gamma log.