Joshua D. Drake wrote: > Ziegelwanger, Silvio wrote: >> Hi, >> >> >> >> how can I monitor the size of the transaction log files using SQL Statements? > > You can't. You would have to write a custom function to heck the size of > the xlog directory. wel in recent versions of pg it should be pretty easy to do that from within SQL by using pg_ls_dir() and pg_stat_file(). maybe something(rough sketch) along the line of: select sum((pg_stat_file('pg_xlog/' || file)).size) from pg_ls_dir('pg_xlog') as file where file ~ '^[0-9A-F]'; might do the trick Stefan