title: Redis: What exactly are all those db instances are for?
body: <p>I am new to redis and when I fired it up, it initially had 16 db instances. </p>
  
  <p>Is there a special reason why there are exactly 16 dbs? I am wondering whether they are there for some kind of specific purpose.</p>
  
  <p><a href="https://i.stack.imgur.com/VJebc.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/VJebc.png" alt="enter image description here"></a></p>