On Thu, Sep 8, 2011 at 7:06 AM, Chris Redekop <chris@xxxxxxxxxxxx> wrote: > Is there anything available to get the last time a transaction > occurred?....like say "pg_last_xact_timestamp"? No. > In order to accurately > calculate how far behind my slave is I need to do something like > master::pg_last_xact_timestamp() - > slave::pg_last_xact_replay_timestamp()....currently I'm using now() instead > of the pg_last_xact_timestamp() call, but then when the master is not busy > the slave appears to lag behind. I'm considering writing a C module to get > the last modified file time of the xlog, but I'm hoping there is a better > alternative that I haven't found yet.... Your complaint makes sense. I'll implement something like pg_last_xact_timestamp() for 9.2. But unfortunately there is no way to know such a timestamp on the master, in 9.1.. Regards, -- Fujii Masao NIPPON TELEGRAPH AND TELEPHONE CORPORATION NTT Open Source Software Center -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
