title: Concurrency solutions for file based databases?
body: <p>I am aware one of the biggest challenges with using file based databases is performance, especially concurrency.</p>
  
  <p>But an app I'm trying to build requires that I use a file based database (such as LevelDB or Sqlite) so I am trying to find a way to get around this issue even if it means I need to make some compromises.</p>
  
  <p>What are some approaches for improving performance/concurrency for file based DBs?</p>