We figured that out. We were afraid that there was corrupt data due the
counter overflow so we reverted to a backup right before the overflow. We
submitted a bug this morning (bug #12990) to the Postgres bugs mailing list
which has more information and questions.
On Mon, Apr 6, 2015 at 2:17 PM, Al
Pweaver (Paul Weaver) wrote:
> We started getting the following error on some transactions on our database
> (when against particular rows run against the table).
>
>
> PGError: ERROR: could not access status of transaction 283479860 DETAIL:
> Could not open file "pg_multixact/members/4D6D": No s