netdata_netdata/collectors/python.d.plugin/postgres/README.md

postgres

Module monitors one or more postgres servers.

Requirements:

• python-psycopg2 package. You have to install it manually.

Following charts are drawn:

1. Database size MB

• size

2. Current Backend Processes processes

• active

3. Write-Ahead Logging Statistics files/s

• total
• ready
• done

4. Checkpoints writes/s

• scheduled
• requested

5. Current connections to db count

• connections

6. Tuples returned from db tuples/s

• sequential
• bitmap

7. Tuple reads from db reads/s

• disk
• cache

8. Transactions on db transactions/s

• committed
• rolled back

9. Tuples written to db writes/s

• inserted
• updated
• deleted
• conflicts

10. Locks on db count per type

• locks

configuration

socket:
  name         : 'socket'
  user         : 'postgres'
  database     : 'postgres'

tcp:
  name         : 'tcp'
  user         : 'postgres'
  database     : 'postgres'
  host         : 'localhost'
  port         : 5432

When no configuration file is found, module tries to connect to TCP/IP socket: localhost:5432.

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