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Old November 7th, 2003
topbanana topbanana is offline
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Join Date: October 18th, 2002
Location: UK
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Quote:
Originally posted by stief
-re the occasional 'spike' of sudden upload peaks of 1,038 KB/s in the stats: this looks to coincide with a crawler showing up in the handshaking stats. Tough to track since crawlers show up only about once per hour of uptime.
Ah, didn't know this was an issue being looked into. The spikes are caused by a CPU under-run (ie, app demanding more CPU cycles than a system has available), presumably resulting in a couple of timer events which *should* be a second apart happening in rapid sucession. The CPU under-run does seem to be caused by occasional floods on incoming requests.