TorrentとShare同時起動で下り50Mbpsくらい負荷かけてみたけど
ヒープ溢れなんか起きてないぞ？どういう条件でやれば再現できるんだ？

kurekure(config)# sh mem
Calculating configuration memory size...
Heap memory:
48% memory used, 52% memory avail
Total 57422076 bytes
29563372 bytes free (29160348 clean, 403024 dirty)
27858704 bytes busy (14066064 reserve, 13792640 dynamic)

kurekure(config)# sh ip ufs-cache
IPv4 UFS Cache - 3390 entries, 4802 frees, 3115813 flybys, 0 overflows
Codes: * - L3 cache, p - Policy Routing, f - Filter, n - NAT/NAPT, s - IPsec
v - SIP Filter, q - QoS
Interface is FastEthernet1/0.0: