> My server has 4GB RAM and uses nginx as a reverse proxy to apache. A > little while ago my website became inaccessible for about 30 minutes. > I checked my munin graphs and it looks like apache processes spiked to > about 29 during this time which is many times greater than usual. I > have MaxClients at 30 and the error log verifies that MaxClients was > not reached. The strange part is system disk latency shows a spike > during the interruption which is only very slightly greater than other > spikes which did not interrupt service. System CPU, memory, and swap > usage don't show anything interesting at all. > > Does this make sense to anyone? Should I decrease MaxClients? > > - Grant I've looked over my access_log and I can see there is a particular IP which was making many requests during the interruption. Since munin does not show there was an excessive amount of memory or CPU usage, lowering MaxClients won't help? - Grant --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscribe@xxxxxxxxxxxxxxxx For additional commands, e-mail: users-help@xxxxxxxxxxxxxxxx
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