Thanks for responses! The problem I wanted to solve was to find the (global) order of commits across the postgres cluster. So, my attempt was to use the LSN.
On Wed, Aug 3, 2016 at 9:47 AM, Craig Ringer <cr...@2ndquadrant.com> wrote: > > > On 3 August 2016 at 11:37, Joshua Bay <joshuaba...@gmail.com> wrote: > >> Hi, >> >> Could you please let me know if there is a way to get LSN of each >> transaction by directly communicating with Postgres server and NOT by >> accessing logs. >> > > > To what end? What problem are you trying to solve? > > What LSN, exactly? The LSN of the first write and xid allocation? The LSN > of the commit record? What if it's a complex commit like with prepared > xacts? > > > -- > Craig Ringer http://www.2ndQuadrant.com/ > PostgreSQL Development, 24x7 Support, Training & Services >
