On Fri, Mar 23, 2012 at 12:26 AM, Daniel Farina <dan...@heroku.com> wrote:
> Some time ago I reported bug 6291[0], which reported a Xid wraparound, > both as reported in pg_controldata and by txid_current_snapshot. > Unfortunately, nobody could reproduce it. > > Today, the same system of ours just passed the wraparound mark > successfully at this time, incrementing the epoch. However, two > standbys have not done the same: they have wrapped to a low txid. At > this time, pg_controldata does report the correct epoch, as I read it, > unlike the original case. > > I have not yet tried to reproduce this in a minimal way, but I wanted > to relate this information as soon as possible. > > These systems are 9.0.6, on Ubuntu 10.04 LTS, amd64. > > [0]: http://archives.postgresql.org/pgsql-bugs/2011-11/msg00094.php So we have this? Master pg_controldata - OK txid_current_snapshot() - OK Standby pg_controldata - OK txid_current_snapshot() - lower value Are there just 2 standbys? So all standbys have acted identically? -- Simon Riggs http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers