anchor.diff:  tcpstat, Exposes TCP connection status information from `/proc/net/tcp` and `/proc/net/tcp6`. (Warning: the current version has potential performance issues in high load situations.)
   |===
   
  +.*Deprecated*
  +
   These metrics will be deprecated and (re)moved in future releases of node_exporter.
   
  -.*Deprecated*
   [format="csv", options="header"]
   |===
   Name, Description
  
positive.code: zfs, Exposes [ZFS](http://open-zfs.org/) performance statistics.
  |===
  
  The following table contains metrics that are not enabled by default; these can be enabled using the --collectors.enabled flag.
  
  .*Disabled by Default*
  [format="csv", options="header"]
  |===
  Name, Description
  
negative.code: pg_postmaster, Time at which postmaster started, GAUGE, SELECT pg_postmaster_start_time as start_time_seconds from pg_postmaster_start_time()
  |===
  
  .*pg_stat_user_tables*
  
  These metrics are general statistics on tables.
  
  [format="csv", options="header"]
  |===
  Name, Description, Usage, Query
  