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    1. databaseName: database_discovery_db
    3. dataSources:
    4.   ds_0:
    5.     url: jdbc:mysql://127.0.0.1:33306/primary_demo_ds?serverTimezone=UTC&useSSL=false
    6.     username: root
    7.     password:
    8.     connectionTimeoutMilliseconds: 3000
    9.     idleTimeoutMilliseconds: 60000
    10.     maxLifetimeMilliseconds: 1800000
    11.     maxPoolSize: 50
    12.     minPoolSize: 1
    13.   ds_1:
    14.     url: jdbc:mysql://127.0.0.1:33307/primary_demo_ds?serverTimezone=UTC&useSSL=false
    15.     username: root
    16.     password:
    18.     maxLifetimeMilliseconds: 1800000
    19.     maxPoolSize: 50
    20.     minPoolSize: 1
    21.   ds_2:
    22.     url: jdbc:mysql://127.0.0.1:33308/primary_demo_ds?serverTimezone=UTC&useSSL=false
    23.     username: root
    24.     password:
    25.     connectionTimeoutMilliseconds: 3000
    26.     idleTimeoutMilliseconds: 60000
    27.     maxLifetimeMilliseconds: 1800000
    28.     maxPoolSize: 50
    29.     minPoolSize: 1
    31. rules:
    32. - !READWRITE_SPLITTING
    33.   dataSources:
    34.     replica_ds:
    35.       dynamicStrategy:
    37. - !DB_DISCOVERY
    38.   dataSources:
    39.     readwrite_ds:
    40.       dataSourceNames:
    41.         - ds_0
    42.         - ds_1
    43.         - ds_2
    44.       discoveryHeartbeatName: mgr_heartbeat
    45.       discoveryTypeName: mgr
    46.   discoveryHeartbeats:
    47.     mgr_heartbeat:
    48.       props:
    49.         keep-alive-cron: '0/5 * * * * ?'
    50.   discoveryTypes:
    51.     mgr:
    52.       type: MySQL.MGR
    53.       props: