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Q3: BellaDati is not able to connect to the database, what should I do?

  • First of all, it's necessary to check the database is running and accepting the incoming connections. 
  • If database is up and running, it is necessary to do further investigation:
    • check the active queries - it is possible to do so from Administration console on the System summary page (database activity dump)
    • if there are too many queries, it is necessary to raise up the max_connections parameter in the database configuration and the pool_size in the application server configuration

Q4: Response time is too long or is timing out.

  • It is necessary to check system resources on the server, where the application server and database server is running.
  • Usually, the main reason is insufficient memory - consider raising up the memory configuration of your server or setting up multiple servers with load balancer. In most cases application restart solves the problem.