config.yaml

storage:
  # Where to store all the data
  storage_path: ./storage

  # Write-ahead-log related configuration
  wal:
    # Size of a single WAL segment
    wal_capacity_mb: 32

    # Number of WAL segments to create ahead of actual data requirement
    wal_segments_ahead: 0


  performance:
    # Number of parallel threads used for search operations. If 0 - auto selection.
    max_search_threads: 0

  optimizers:
    # The minimal fraction of deleted vectors in a segment, required to perform segment optimization
    deleted_threshold: 0.2

    # The minimal number of vectors in a segment, required to perform segment optimization
    vacuum_min_vector_number: 1000

    # If the number of segments exceeds this value, the optimizer will merge the smallest segments.
    max_segment_number: 5

    # Maximum number of vectors to store in-memory per segment.
    # Segments larger than this threshold will be stored as read-only memmaped file.
    memmap_threshold: 50000

    # Maximum number of vectors allowed for plain index.
    # Default value based on https://github.com/google-research/google-research/blob/master/scann/docs/algorithms.md
    indexing_threshold: 20000

    # Starting from this amount of vectors per-segment the engine will start building index for payload.
    payload_indexing_threshold: 10000

    # Minimum interval between forced flushes.
    flush_interval_sec: 10


service:

  # Maximum size of POST data in a single request in megabytes
  max_request_size_mb: 32

  # Host to bind the service on
  host: 0.0.0.0

  # Port to bind the service on
  port: 6333