"Jeremy M. Guthrie" <[EMAIL PROTECTED]> writes: > Is there any way to determine how much of the free space map is currently i= > n=20 > use?(ie. where and what it is tracking?) I vacuum on a regular basis but I= > =20 > never hold in terms of disk space usage.
Not in 7.3 AFAIR. In 7.4 a full-database VACUUM VERBOSE will end with the info you want: regression=# vacuum verbose; ... much cruft ... INFO: free space map: 11 relations, 144 pages stored; 272 total pages needed DETAIL: Allocated FSM size: 1000 relations + 20000 pages = 178 kB shared memory. VACUUM regression=# This tells me I'm only using about 1% of the FSM space (272 out of 20000 page slots). > I jacked up the free space map=20 > pages but this doesn't appear to be working. You know you have to restart the postmaster to make those changes take effect, right? regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 6: Have you searched our list archives? http://archives.postgresql.org