Get INFO data from redis instance.

Following charts are drawn:

1. Operations per second

• operations

2. Hit rate in percent

• rate

3. Memory utilization in kilobytes

• total
• lua

4. Database keys

• lines are creates dynamically based on how many databases are there

5. Clients

• connected
• blocked

6. Slaves

• connected

socket:
  name     : 'local'
  socket   : '/var/lib/redis/redis.sock'

localhost:
  name     : 'local'
  host     : 'localhost'
  port     : 6379

When no configuration file is found, module tries to connect to TCP/IP socket: localhost:6379.