Re: PostgreSQL recovery file syntax, ver 8.4 vs ver 9.5

On 2/20/18 15:44, Telium Technical Support wrote:
> In postgreSQL version 8.4 it seems that you can place the db server into
> warm standby mode with the following setting in recovery.conf
>
>     restore_command = 'pg_standby archiveDir %f %p %r'
>
> In postgreSQL version 9.5 I see the same option, but I also see what
> appears to be an alternative syntax in recovery.conf:
>
>    standby_mode = (boolean)
>    trigger_file = (string)
>
> So is this new syntax an alternative to the old syntax (both are
> accepted by PGSQL)? Any benefit to the new syntax?
>
> Does the new syntax mean that I can use the restore_command setting as
> well (to use my own copy command)?

A lot has changed between 8.4 and 9.5. Hot standby, streaming
replication, replication slots, and so on. You can continue to use
pg_standby, but the new facilities are better in many ways.

--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services