>> However I'm not sure that pg_stat_replication currently has the
>> necessary information on either side to measure the lag (in time
>> transactions, but how do I know when a transaction was committed? or
>> number of transactions?).
>
> The BDR codebase now has a handy function to report when a transaction
> was committed, pg_get_transaction_committime(xid) .
This looks handy for monitoring a replication setup.
It should really be in core...
Any plans? Or is there other ways to get this kind of information in core?
--
Fabien.
