title: How to increase the max connections in postgres?
body: <p>I am using Postgres DB for my product. While doing the batch insert using slick 3, I am getting an error message: </p>
  
  <blockquote>
    <p>org.postgresql.util.PSQLException: FATAL: sorry, too many clients already. </p>
  </blockquote>
  
  <p>My batch insert operation will be more than thousands of records.
  Max connection for my postgres is 100.</p>
  
  <p>How to increase the max connections?</p>