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James Wonnacott wrote: > I have a strange problem with a server which seems to doze off for 5 > minutes or so once in a while. > > Its fairly old (4 years) running Mandrake 10.0, 2.6.3 kernel > > Every 15 minutes or so it refuses (or drops existing) connections (smtp, > pop3, ssh) pings become slow (anything from 1-100ms). tailing syslog or > messages suggests that nothing is happening, top shows nothing special. > then after about 5 minutes it just comes back and pretends nothing > happened. pings to it return in <1ms and all is fine and dandy again. Is it every 15 minutes, or about that? If exactly I'd suspect a cronjob. Does it run sar, or similar to record load? Is it possible something else is eating network bandwidth, or does it respond slowly when you are at the console?
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