Hi Team,
I could see high memory utilization on ASA 5512 , showing up 96% utilized.
-FW# show memory
Free memory: 65821420 bytes ( 4%)
Used memory: 1699229696 bytes (96%)
------------- ------------------
Total memory: 1765051116 bytes (100%)
==================================
FW# show memory detail
Free memory heap: 1270416 bytes ( 0%)
Free memory system: 65821420 bytes ( 4%)
Used memory:
Allocated memory in use: 1134660384 bytes (64%)
Reserved memory (DMA): 169869312 bytes (10%)
Memory overhead: 393429584 bytes (22%)
----------------------------- ------------------
Total memory: 1765051116 bytes (100%)
Least free memory: 457255548 bytes (26%)
Most used memory: 1307795568 bytes (74%)
MEMPOOL_HEAPCACHE_0 POOL STATS:
Non-mmapped bytes allocated = 314572800
Number of free chunks = 25170
Number of mmapped regions = 0
Mmapped bytes allocated = 0
Max memory footprint = 314572800
Keepcost = 64
Max contiguous free mem = 96
Allocated memory in use = 313302384
Free memory = 1270416
----- fragmented memory statistics -----
fragment size count total
(bytes) (bytes)
---------------- ---------- --------------
32 7647 244704
48 9212 442176
64 1 64*
64 5089 325696
80 3219 257520
96 1 96**
96 1 96
* - top most releasable chunk.
** - contiguous memory on top of heap.
----- allocated memory statistics -----
fragment size count total
(bytes) (bytes)
---------------- ---------- --------------
80 7453 596240
96 116123 11147808
112 41895 4692240
128 29547 3782016
144 5201 748944
160 666 106560
176 756 133056
192 476 91392
208 404 84032
224 299 66976
240 327 78480
256 27266 6980096
384 1783 684672
512 17934 9182208
768 6292 4832256
1024 939 961536
1536 247 379392
2048 381 780288
3072 1220 3747840
4096 480 1966080
6144 63 387072
8192 210 1720320
12288 539 6623232
16384 605 9912320
24576 41 1007616
32768 69 2260992
49152 36 1769472
65536 242 15859712
98304 22 2162688
131072 23 3014656
196608 20 3932160
262144 13 3407872
393216 18 7077888
524288 4 2097152
786432 11 8650752
1048576 17 17825792
1572864 8 12582912
2097152 4 8388608
3145728 5 15728640
4194304 2 8388608
6291456 1 6291456
8388608 1 8388608
12582912 4 50331648
MEMPOOL_DMA POOL STATS:
Non-mmapped bytes allocated = 169869312
Number of free chunks = 299
Number of mmapped regions = 0
Mmapped bytes allocated = 0
Max memory footprint = 169869312
Keepcost = 45289648
Max contiguous free mem = 45289648
Allocated memory in use = 124025136
Free memory = 45844176
----- fragmented memory statistics -----
fragment size count total
(bytes) (bytes)
---------------- ---------- --------------
32 14 448
48 39 1872
64 16 1024
80 5 400
96 1 96**
96 4 384
112 11 1232
128 7 896
144 14 2016
160 8 1280
176 4 704
192 39 7488
208 2 416
256 15 4752
384 16 7120
512 15 9088
768 5 4560
1024 18 22320
1536 13 23696
2048 4 9776
3072 7 23904
4096 14 67872
6144 4 28560
8192 15 155968
12288 6 83424
16384 1 20944
24576 1 30592
32768 1 43696
45289648 1 45289648*
* - top most releasable chunk.
** - contiguous memory on top of heap.
----- allocated memory statistics -----
fragment size count total
(bytes) (bytes)
---------------- ---------- --------------
160 1 160
224 40 8960
240 131 31440
256 22 5632
384 20 7680
512 514 263168
768 25 19200
1024 256 262144
2048 5 10240
4096 40 163840
8192 1 8192
12288 14 172032
16384 3 49152
32768 39 1277952
49152 5 245760
65536 1 65536
98304 4 393216
131072 9 1179648
196608 2 393216
262144 4 1048576
393216 5 1966080
524288 2 1048576
786432 2 1572864
1048576 12 12582912
1572864 5 7864320
3145728 3 9437184
6291456 2 12582912
8388608 1 8388608
12582912 2 25165824
MEMPOOL_GLOBAL_SHARED POOL STATS:
Non-mmapped bytes allocated = 805646336
Number of free chunks = 82853
Number of mmapped regions = 9
Mmapped bytes allocated = 15798272
Max memory footprint = 0
Keepcost = 440720
Max contiguous free mem = 440720
Allocated memory in use = 797870736
Free memory = 7775600
----- fragmented memory statistics -----
fragment size count total
(bytes) (bytes)
---------------- ---------- --------------
32 32460 1038720
48 17524 841152
64 31637 2024768
80 31 2480
80 5 400
96 2 192
96 84 8064
112 1 112
112 32 3584
128 79 10112
128 3 384
144 208 29952
176 1 176
192 1 192
208 1 208
224 2 448
240 2 480
256 100 25600
272 32 8704
288 9 2592
304 14 4256
320 5 1600
336 1 336
352 6 2112
368 9 3312
384 3 1152
400 5 2000
416 11 4576
432 1 432
448 7 3136
464 7 3248
480 7 3360
512 45 23040
528 2 1056
544 1 544
560 1 560
720 5 3600
736 3 2208
768 8 6144
800 2 1600
816 4 3264
848 1 848
864 1 864
880 9 7920
912 1 912
928 2 1856
944 2 1888
960 2 1920
976 3 2928
1024 20 21312
1088 8 8960
1152 7 8304
1216 1 1248
1280 7 9216
1344 4 5440
1408 1 1424
1984 1 2016
2432 1 2432
2688 1 2720
2944 1 2944
3584 11 44096
4096 73 306576
4608 7 33232
5120 15 81504
5632 22 129904
6144 35 223776
6656 13 90352
7168 14 103552
7680 10 79568
8192 6 51136
8704 5 44688
9216 9 85584
9728 5 49696
10240 6 63520
10752 16 182048
12288 21 294096
16384 18 324464
20480 7 154160
24576 11 291136
28672 2 60800
32768 2 70048
40960 3 157392
65536 1 97984
----- allocated memory statistics -----
fragment size count total
(bytes) (bytes)
---------------- ---------- --------------
80 318581 25486480
96 54544 5236224
112 434 48608
128 8622 1103616
144 1759 253296
160 513 82080
176 222 39072
192 701 134592
208 124 25792
224 582 130368
240 221 53040
256 5240 1341440
384 3853 1479552
512 6100 3123200
768 548 420864
1024 404 413696
1536 459 705024
2048 80 163840
3072 15928 48930816
4096 121 495616
6144 29 178176
8192 9 73728
12288 72 884736
16384 27 442368
24576 78 1916928
32768 101 3309568
49152 88 4325376
65536 1172 76808192
98304 15 1474560
131072 59 7733248
196608 24 4718592
262144 1909 500432896
393216 4 1572864
786432 3 2359296
1048576 2 2097152
1572864 2 3145728
2097152 2 4194304
4194304 1 4194304
Summary for all pools:
Non-mmapped bytes allocated = 1290088448
Number of free chunks = 108322
Number of mmapped regions = 0
Mmapped bytes allocated = 15798272
Max memory footprint = 484442112
Keepcost = 45730432
Allocated memory in use = 1235198256
Free memory = 54890192
