Unable to acquire jdbc connection everytime during deployment

Configuring the server
1

We have keycloak 21.1.1 running on HA mode with Postgres as storage on K8. Every time during deployment we get error of unable to aquire jdbc connection. which goes on retrying deployment 2nd time. The postgres is configured to allow 1000 of connection which should be sufficient for our pooling settings as

  • name: “KC_DB_POOL_INITIAL_SIZE”
    value: 10
  • name: “KC_DB_POOL_MAX_SIZE”
    value: 40
  • name: “KC_DB_POOL_MIN_SIZE”
    value: 20
  • name: “KC_DB_IDLE_TIMEOUT”
    value: 30
  • name: “KC_DB_CONNECTION_TIMEOUT”
    value: 30

anyone encountered similar issue? Any suggestion on how this can be fixed?