Repmgr
--------

This module is for monitor a cluster, to install follow next steps

On Primary:

1) Create tables for repmgr configuration and monitor (see repmgr.sql)
2) Edit repmgr.conf 

On Standby:

1) Start replica
2) Edit repmgr.conf 



Installing xlog_replay_time module
---------------------------------------
cd repmgr/sql_utils
make USE_PGXS=1
make install USE_PGXS=1


repmgr.conf
------------

The configuration file has 3 parameters

1) cluster: A string (single quoted) that identify the cluster we are on 
2) node: An integer that identify our node in the cluster
3) conninfo: A string (single quoted) that teach has how to connect to this node