On 11/03/2009 07:16 PM, Subbiah Stalin-XCGF84 wrote:
All, I'm trying to understand the free memory usage and why it falls below 17G sometimes and what could be causing it. Any pointers would be appreciated. root@prod1 # prtconf System Configuration: Sun Microsystems sun4u Memory size: 32768 Megabytes [postgres@prod1 ~]$ vmstat 5 10 kthr memory page disk faults cpu r b w swap free re mf pi po fr de sr 1m 1m 1m m1 in sy cs us sy id 0 0 0 51713480 21130304 58 185 325 104 104 0 0 23 3 7 1 488 604 573 1 2 97 0 0 0 51048768 18523456 6 10 0 192 192 0 0 4 0 3 0 527 753 807 2 1 97
Memory used by the OS for caching files is no longer free. Free memory is wasted memory. -J -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
