On 15 Prosinec 2011, 19:42, pratikchirania wrote: > Size of pgstat.stat file: 86KB
That's pretty small. > I did not understand the second part. Where do I get "iostat -x 1" > message? > (Its not present in any file in the pg_log folder) iostat is not part of PostgreSQL, it's a tool used to display various I/O metrics in Linux (and Unix in general). What OS are you using? It seems the I/O subsystem is so busy it can't write the pgstat.stat on time, so a warning is printed. You need to find out why the I/O is so overutilized. > I am using postgres 9.0.1 That's way too old. Upgrade to 9.0.6. Tomas -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers