I am also investigating buffer issues because I am seeing a lot of misses. Here's the output.
show buffers
Buffer elements:
1115 in free list (1119 max allowed)
60723871 hits, 0 misses, 619 created
Public buffer pools:
Small buffers, 104 bytes (total 148, permanent 50, peak 240 @ 07:14:29):
112 in free list (20 min, 150 max allowed)
43720721 hits, 11417 misses, 4403 trims, 4501 created
4638 failures (0 no memory)
Middle buffers, 600 bytes (total 27, permanent 25, peak 97 @ 2w0d):
25 in free list (10 min, 150 max allowed)
22696413 hits, 4115 misses, 2035 trims, 2037 created
3099 failures (0 no memory)
Big buffers, 1536 bytes (total 53, permanent 50, peak 53 @ 2w0d):
52 in free list (5 min, 150 max allowed)
20854107 hits, 2970 misses, 1235 trims, 1238 created
2462 failures (0 no memory)
VeryBig buffers, 4520 bytes (total 4, permanent 10, peak 203 @ 1d22h):
3 in free list (0 min, 100 max allowed)
43437529 hits, 2446 misses, 744 trims, 738 created
2094 failures (0 no memory)
Large buffers, 5024 bytes (total 1, permanent 0, peak 3 @ 1w1d):
1 in free list (0 min, 10 max allowed)
42 hits, 2052 misses, 150 trims, 151 created
2052 failures (0 no memory)
Huge buffers, 18024 bytes (total 1, permanent 0, peak 3 @ 1w1d):
1 in free list (0 min, 4 max allowed)
42 hits, 2010 misses, 150 trims, 151 created
2010 failures (0 no memory)
Interface buffer pools:
Syslog ED Pool buffers, 600 bytes (total 150, permanent 150):
118 in free list (150 min, 150 max allowed)
39086 hits, 0 misses
CD2430 I/O buffers, 1536 bytes (total 0, permanent 0):
0 in free list (0 min, 0 max allowed)
0 hits, 0 fallbacks
IPC buffers, 4096 bytes (total 2, permanent 2):
2 in free list (1 min, 8 max allowed)
0 hits, 0 fallbacks, 0 trims, 0 created
0 failures (0 no memory)
Header pools:
Header buffers, 0 bytes (total 768, permanent 768):
256 in free list (128 min, 1024 max allowed)
512 hits, 0 misses, 0 trims, 0 created
0 failures (0 no memory)
512 max cache size, 512 in cache
63835 hits in cache, 0 misses in cache
Particle Clones:
1024 clones, 4 hits, 0 misses
Public particle pools:
F/S buffers, 256 bytes (total 768, permanent 768):
256 in free list (128 min, 1024 max allowed)
512 hits, 0 misses, 0 trims, 0 created
0 failures (0 no memory)
512 max cache size, 512 in cache
4 hits in cache, 0 misses in cache
CRYPTO_HW buffers, 1548 bytes (total 1536, permanent 1536):
0 in free list (0 min, 1536 max allowed)
1536 hits, 0 misses
1536 max cache size, 1024 in cache
512 hits in cache, 0 misses in cache
Normal buffers, 1676 bytes (total 3840, permanent 3840):
3840 in free list (128 min, 4096 max allowed)
676 hits, 0 misses, 0 trims, 0 created
0 failures (0 no memory)
Private particle pools:
IDS SM buffers, 240 bytes (total 128, permanent 128):
0 in free list (0 min, 128 max allowed)
128 hits, 0 fallbacks
128 max cache size, 128 in cache
0 hits in cache, 0 misses in cache
AIM-VPN/HPII-PLUS buffers, 544 bytes (total 768, permanent 768):
0 in free list (0 min, 768 max allowed)
768 hits, 676 fallbacks
768 max cache size, 256 in cache
219478220 hits in cache, 676 misses in cache
FastEthernet3/0 buffers, 1548 bytes (total 192, permanent 192):
0 in free list (0 min, 192 max allowed)
192 hits, 0 fallbacks
192 max cache size, 128 in cache
95580571 hits in cache, 0 misses in cache
FastEthernet3/1 buffers, 1548 bytes (total 192, permanent 192):
0 in free list (0 min, 192 max allowed)
192 hits, 0 fallbacks
192 max cache size, 128 in cache
3235854 hits in cache, 0 misses in cache
FastEthernet4/0 buffers, 1548 bytes (total 192, permanent 192):
0 in free list (0 min, 192 max allowed)
192 hits, 0 fallbacks
192 max cache size, 128 in cache
5678829 hits in cache, 0 misses in cache
FastEthernet4/1 buffers, 1548 bytes (total 192, permanent 192):
0 in free list (0 min, 192 max allowed)
192 hits, 0 fallbacks
192 max cache size, 128 in cache
10353498 hits in cache, 0 misses in cache
GigabitEthernet0/0 buffers, 1664 bytes (total 768, permanent 768):
0 in free list (0 min, 768 max allowed)
768 hits, 0 fallbacks
768 max cache size, 512 in cache
64302736 hits in cache, 0 misses in cache
14 buffer threshold, 0 threshold transitions
GigabitEthernet0/1 buffers, 1664 bytes (total 768, permanent 768):
0 in free list (0 min, 768 max allowed)
768 hits, 0 fallbacks
768 max cache size, 512 in cache
1790387 hits in cache, 0 misses in cache
14 buffer threshold, 0 threshold transitions
