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load_balance()

This operation sets up a load-balancing group between two query nodes for a specific collection.

Request Syntax

load_balance(
    collection_name: str,
    src_node_id: int,
    dst_node_ids: list[int] | None,
    sealed_segment_ids: list[int] | None,
    timeout: float | None,
    using: str = "default",
)

PARAMETERS:

  • collection_name (str) - [REQUIRED]

    The name of an existing collection for which a load-balancing group is set up.

  • src_node_id (int) - [REQUIRED]

    The ID of the query node the collection currently uses.

  • dst_node_ids (list[int]) -

    The IDs of the query nodes to be added to the load-balancing group.

  • sealed_segment_ids (list[int]) -

    The IDs of the sealed segments to load-balance.

  • timeout (float)

    The timeout duration for this operation. Setting this to None indicates that this operation timeouts when any response arrives or any error occurs.

  • using (str) -

    The alias of the employed connection.

    The default value is default, indicating that this operation employs the default connection.

RETURN TYPE:

NoneType

RETURNS: None

EXCEPTIONS:

N/A

Examples

from pymilvus import connections, utility

# Connect to localhost:19530
connections.connect()

utility.load_balance(
    collection_name="test_collection",
    src_node_id=446781855410073001,
    dst_node_ids=[478798283048914039],
    sealed_segment_ids=None,
)
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