On Fri, Sep 16, 2011 at 8:35 AM, hubert depesz lubaczewski <dep...@depesz.com> wrote: > On Fri, Sep 16, 2011 at 08:02:31AM -0700, Ian Harding wrote: >> Oracle has a configuration option for its version of hot standby >> (DataGuard) that lets you specify a time based delay in applying logs. >> They get transferred right away, but changes in them are only applied >> as they reach a certain age. The idea is that if something horrible >> happens on the master, you can keep it from propagating to one or more >> of your standby databases (or keep from having to reinstate one in the >> case of a failover) >> >> Anyway, Is there any plan to add a knob like that to the streaming >> replication in Postgres? > > In streaming - no. But if you want delay, perhaps normal WAL-files based > approach would be good enough? OmniPITR, for one, has a option to delay > applying wal segments. >
The file based approach is pretty close, unless the Bad Thing happens right before a file gets transferred. This is not a super important feature to me but It's a nice security blanket and almost takes the place of a PITR plan including big file transfers of the data directory at regular intervals. - Ian -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
