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Opened 4 years ago

#15633 new defect

Routing cache missing

Reported by: ydkf@… Owned by: developers
Priority: high Milestone: Chaos Calmer 15.05
Component: kernel Version: Trunk
Keywords: Cc:

Description

since kernel 3.6 remove the ip routing cache, I found it make my router cpu 90%+ sirq.
I add 3000+ rules by "ip rule"(because "route add" seems cannot add so much route), kernel < 3.6 is ok when speed up to 5MB/s with 40% sirq, but kernel >= 3.6 without routing cache it make my router cpu 90%+ sirq and speed only 500KB/s with many loss packets.

sorry for my poor english.

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