MONGO_CONNECTION_POOL_SETTINGS

MONGO_CONNECTION_POOL_SETTINGS Dynamic Config

Options for MongoDB connections pool (uservices) for service. This options replace static config. When using MultiMongo all pools are updated.

Dictionary keys can be either the service component name (not database name!) or __default__. The latter configuration is applied for every non-matching Mongo component of the service.

Schema:

# yaml
default: {}
description: |
    Options for MongoDB connections pool (uservices) for service.
    This options replace static config.
    When using MultiMongo all pools are updated.
 
    Dictionary keys can be either the service **component name** (not database name!)
    or `__default__`. The latter configuration is applied for every non-matching
    Mongo component of the service.
schema:
    type: object
    example: |
        {
            // Options for specified component.
            "mongo-stq_config": {
                "initial_size": 32,
                "max_size": 256,
                "idle_limit": 128,
                "connecting_limit": 8
            },
            // Default options. Applied to all not specified components.
            "__default__": {
                "initial_size": 16,
                "max_size": 128,
                "idle_limit": 64,
                "connecting_limit": 8
            }
        }
    properties:
        __default__:
            $ref: "#/definitions/PoolSettings"
    additionalProperties:
        $ref: "#/definitions/PoolSettings"
    definitions:
        PoolSettings:
            type: object
            additionalProperties: false
            properties:
                initial_size:
                    type: integer
                    minimum: 0
                    default: 16
                    description: number of connections created initially.
                max_size:
                    type: integer
                    minimum: 1
                    default: 128
                    description: limit for total connections number.
                idle_limit:
                    type: integer
                    minimum: 1
                    default: 64
                    description: limit for idle connections number.
                connecting_limit:
                    type: integer
                    minimum: 0
                    default: 8
                    description: limit for establishing connections number.
            required:
              - max_size
              - connecting_limit

Example:

{
    // Options for specified component.
    "mongo-stq_config": {
        "initial_size": 32,
        "max_size": 256,
        "idle_limit": 128,
        "connecting_limit": 8
    },
    // Default options. Applied to all not specified components.
    "__default__": {
        "initial_size": 16,
        "max_size": 128,
        "idle_limit": 64,
        "connecting_limit": 8
    }
}

For a full list of dynamic configs see Dynamic config schemas list