Er, no DMA in the kernel?
Matt. ----- Original Message ----- From: "Maarten Vink" <[EMAIL PROTECTED]> To: "Peter Billson" <[EMAIL PROTECTED]>; <[email protected]> Sent: Monday, February 11, 2002 3:46 PM Subject: Re: SLow server > Try vmstat and check for disk I/O when users are accessing their mailboxes? > > Maarten > ----- Original Message ----- > From: "Peter Billson" <[EMAIL PROTECTED]> > To: <[email protected]> > Sent: Monday, February 11, 2002 9:40 PM > Subject: SLow server > > > > Hello *, > > Got a weird server problem that I could use some pointers where to look. > I have a PIII 600 Dell server with 1 IDE HD and 128Mb or RAM running > 2.2.19Pre17 potato. The server is lightly loaded - basically IMAP and Apache > Web mail for about 20 users. > > > > The problem is the thing is *Slow*. The users keep pretty large > mailboxes (mbox not maildir) and use Outlook to access them but that doesn't > seem to account for the slowness. Top shows plenty of free memory (74Mb > buffers, 16Mb cached), an idle CPU > > (90-95%) and vmstat shows little disk activity and no swapping but the > load will shoot up to 7 or 8 while someone opens their mailbox. > > > > Any disk I/O seems to drag (i.e. 'less /var/log/messages') even when > nothing else is going on. I'm stumped. Any suggestions on what to look at > would be helpful. > > > > Pete > > -- > > http://www.elbnet.com > > ELB Internet Service, Inc. > > Web Design, Computer Consulting, Internet Hosting > > > > > > -- > > To UNSUBSCRIBE, email to [EMAIL PROTECTED] > > with a subject of "unsubscribe". Trouble? Contact > [EMAIL PROTECTED] > > > -- > To UNSUBSCRIBE, email to [EMAIL PROTECTED] > with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED] > > >
