On Thu, 9 Jan 2003, [ISO-8859-1] Jérôme Bolliet wrote: > We are using redhat 7.3 on Compaq DL360 2 processors with kernel > 2.4.18-10smp without problem to make POP3 server, with Courier IMAP > 1.6.2 and NetApp Filer F760 as NFS server. > > We have upgrade one server with latest kernel without changing > parameter. And the load average are high. > > Top give us these information: > > 2.4.18-10: > > 4:51pm up 2:49, 1 user, load average: 1.02, 1.14, 1.08 > 113 processes: 109 sleeping, 4 running, 0 zombie, 0 stopped > CPU0 states: 5.1% user, 4.3% system, 0.1% nice, 89.3% idle > CPU1 states: 4.1% user, 6.4% system, 0.0% nice, 88.3% idle > Mem: 2065192K av, 717504K used, 1347688K free, 0K shrd, 77308K > buff > Swap: 2097112K av, 0K used, 2097112K free 502364K > cached > > 2.4.18-19.7.x > > 4:51pm up 2 days, 2:00, 1 user, load average: 3.77, 3.07, 4.76 > 107 processes: 106 sleeping, 1 running, 0 zombie, 0 stopped > CPU0 states: 5.4% user, 7.0% system, 0.0% nice, 86.4% idle > CPU1 states: 5.3% user, 8.0% system, 0.0% nice, 86.0% idle > Mem: 2064880K av, 2047500K used, 17380K free, 0K shrd, 87404K > buff > Swap: 2097112K av, 0K used, 2097112K free 1782876K > cached > > We can see that the load is 3 time higher and the memory is heavy used > on the 19.7.x kernel.
You need to do a top and hit "M" to see which processes are using the most memory. If they aren't necessary, disable their startup. Also look at "vmstat 5 10" output and see if the "so" column reliably stays above 0. If it does, your machine is swapping, and needs more memory. You can _never_ look at used memory/swap as a sign of performance trouble, btw. Memory, and swap usage, no matter how much memory you have, should approach ~98% usage and almost _never_ go back down. Only active swapping indicates a memory shortage. -- \ \/ / _ |~\ _ In God We Trust. All Others Pay Cash. > < / \|\ /|+-< | | "The world is a comedy to those that think, / /\ \\_/| \/ ||__)|_| a tragedy to those who feel." - Horace Walpole -- redhat-list mailing list unsubscribe mailto:[EMAIL PROTECTED]?subject=unsubscribe https://listman.redhat.com/mailman/listinfo/redhat-list
