milvus/configs/milvus.yaml

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# Related configuration of etcd, used to store Milvus metadata.
etcd:
  endpoints:
    - localhost:2379
  rootPath: by-dev
  metaSubPath: meta # metaRootPath = rootPath + '/' + metaSubPath
  kvSubPath: kv # kvRootPath = rootPath + '/' + kvSubPath
  segmentBinlogSubPath: datacoord/binlog/segment  # Full Path = rootPath/metaSubPath/segmentBinlogSubPath
  collectionBinlogSubPath: datacoord/binlog/collection # Full Path = rootPath/metaSubPath/collectionBinglogSubPath
  flushStreamPosSubPath: datacoord/flushstream # Full path = rootPath/metaSubPath/flushStreamPosSubPath
  statsStreamPosSubPath: datacoord/statsstream # Full path = rootPath/metaSubPath/statsStreamPosSubPath

# Related configuration of minio, which is responsible for data persistence for Milvus.
minio:
  address: localhost
  port: 9000   # Port of MinIO/S3
  accessKeyID: minioadmin
  secretAccessKey: minioadmin
  useSSL: false
  bucketName: "a-bucket"
  rootPath: files

# Related configuration of pulsar, used to manage Milvus logs of recent mutation operations, output streaming log, and provide log publish-subscribe services.
pulsar:
  address: localhost
  port: 6650
  maxMessageSize: 5242880 # 5 * 1024 * 1024 Bytes, Maximum size of each message in pulsar.

rocksmq:
  path: /var/lib/milvus/rdb_data
  retentionTimeInMinutes: 4320
  retentionSizeInMB: 0

# Related configuration of rootCoord, used to handle data definition language (DDL) and data control language (DCL) requests
rootCoord:
  address: localhost
  port: 53100

  grpc:
    serverMaxRecvSize: 2147483647 # math.MaxInt32
    serverMaxSendSize: 2147483647 # math.MaxInt32
    clientMaxRecvSize: 104857600 # 100 MB, 100 * 1024 * 1024
    clientMaxSendSize: 104857600 # 100 MB, 100 * 1024 * 1024

# Related configuration of proxy, used to validate client requests and reduce the returned results.
proxy:
  port: 19530

  grpc:
    serverMaxRecvSize: 2147483647 # math.MaxInt32
    serverMaxSendSize: 2147483647 # math.MaxInt32
    clientMaxRecvSize: 104857600 # 100 MB, 100 * 1024 * 1024
    clientMaxSendSize: 104857600 # 100 MB, 100 * 1024 * 1024

# Related configuration of queryCoord, used to manage topology and load balancing for the query nodes, and handoff from growing segments to sealed segments.
queryCoord:
  address: localhost
  port: 19531

  grpc:
    serverMaxRecvSize: 2147483647 # math.MaxInt32
    serverMaxSendSize: 2147483647 # math.MaxInt32
    clientMaxRecvSize: 104857600 # 100 MB, 100 * 1024 * 1024
    clientMaxSendSize: 104857600 # 100 MB, 100 * 1024 * 1024

# Related configuration of queryNode, used to run hybrid search between vector and scalar data.
queryNode:
  cacheSize: 32 # GB, default 32 GB, `cacheSize` is the memory used for caching data for faster query. The `cacheSize` must be less than system memory size.
  gracefulTime: 0 # ms, for search
  port: 21123

  grpc:
    serverMaxRecvSize: 2147483647 # math.MaxInt32
    serverMaxSendSize: 2147483647 # math.MaxInt32
    clientMaxRecvSize: 104857600 # 100 MB, 100 * 1024 * 1024
    clientMaxSendSize: 104857600 # 100 MB, 100 * 1024 * 1024

indexCoord:
  address: localhost
  port: 31000

  grpc:
    serverMaxRecvSize: 2147483647 # math.MaxInt32
    serverMaxSendSize: 2147483647 # math.MaxInt32
    clientMaxRecvSize: 104857600 # 100 MB, 100 * 1024 * 1024
    clientMaxSendSize: 104857600 # 100 MB, 100 * 1024 * 1024

indexNode:
  port: 21121

  grpc:
    serverMaxRecvSize: 2147483647 # math.MaxInt32
    serverMaxSendSize: 2147483647 # math.MaxInt32
    clientMaxRecvSize: 104857600 # 100 MB, 100 * 1024 * 1024
    clientMaxSendSize: 104857600 # 100 MB, 100 * 1024 * 1024

dataCoord:
  address: localhost
  port: 13333

  grpc:
    serverMaxRecvSize: 2147483647 # math.MaxInt32
    serverMaxSendSize: 2147483647 # math.MaxInt32
    clientMaxRecvSize: 104857600 # 100 MB, 100 * 1024 * 1024
    clientMaxSendSize: 104857600 # 100 MB, 100 * 1024 * 1024

dataNode:
  port: 21124

  grpc:
    serverMaxRecvSize: 2147483647 # math.MaxInt32
    serverMaxSendSize: 2147483647 # math.MaxInt32
    clientMaxRecvSize: 104857600 # 100 MB, 100 * 1024 * 1024
    clientMaxSendSize: 104857600 # 100 MB, 100 * 1024 * 1024

# Configure whether to store the vector and the local path when querying/searching in Querynode.
localStorage:
  path: /var/lib/milvus/data/
  enabled: true

# Configures the system log output.
log:
  level: debug # info, warn, error, panic, fatal
  file:
    rootPath: "" # default to stdout, stderr
    maxSize: 300 # MB
    maxAge: 10 # day
    maxBackups: 20
  format: text # text/json

msgChannel:
  # Channel name generation rule: ${namePrefix}-${ChannelIdx}
  chanNamePrefix:
    cluster:           "by-dev"
    rootCoordTimeTick: "rootcoord-timetick"
    rootCoordStatistics: "rootcoord-statistics"
    rootCoordDml: "rootcoord-dml"
    search: "search"
    searchResult: "searchResult"
    proxyTimeTick: "proxyTimeTick"
    queryTimeTick: "queryTimeTick"
    queryNodeStats: "query-node-stats"
    # Cmd for loadIndex, flush, etc...
    cmd: "cmd"
    dataCoordInsertChannel: "insert-channel-"
    dataCoordStatistic: "datacoord-statistics-channel"
    dataCoordTimeTick: "datacoord-timetick-channel"
    dataCoordSegmentInfo: "segment-info-channel"

  # Sub name generation rule: ${subNamePrefix}-${NodeID}
  subNamePrefix:
    rootCoordSubNamePrefix: "rootCoord"
    proxySubNamePrefix: "proxy"
    queryNodeSubNamePrefix: "queryNode"
    dataNodeSubNamePrefix: "dataNode"
    dataCoordSubNamePrefix: "dataCoord"

common:
  defaultPartitionName: "_default"  # default partition name for a collection
  defaultIndexName: "_default_idx"  # default index name