On Sat, Jun 6, 2015 at 9:45 AM, Dan Langille <d...@langille.org> wrote: > I noticed this today on my 9.4.2 server running on FreeBSD 10.1: > > Jun 5 18:59:40 slocum postgres[986]: [3957-1] LOG: could not truncate > directory "pg_subtrans": apparent wraparound > > Looking at a post from 2010, Tom Lane suggest this information was useful: > > [root@slocum:/usr/local/pgsql/data/pg_subtrans] # ls -l > total 1 > -rw------- 1 pgsql pgsql 8192 Jun 5 19:04 0032 > > This not not a high throughput server.
It looks like subtrantransactions may have a fencepost error similar to multixacts, described here: http://www.postgresql.org/message-id/CAEepm=0DqAtnM=23oq44bbnwvn3g6+dxx+s5g4jrbp-vy8g...@mail.gmail.com I will try to repro this. -- Thomas Munro http://www.enterprisedb.com -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
