cache eating memory in 2.0.18??

ulmo@q.net
07 Sep 1996 19:50:16 -0400


-----BEGIN PGP SIGNED MESSAGE-----

cache (instead of buff) seems to be eating memory now in 2.0.18.

It doesn't seem to happen as horribly as with buff bloat though.

Is this behavoir correct?:

Script started on Sat Sep 7 19:20:41 1996
Q:~$ vmstat 1&
[1] 30802
Q:~$ procs memory swap io system cpu
r b w swpd free buff cache si so bi bo in cs us sy id
0 0 0 14216 300 440 6860 2 1 21 4 140 253 14 5 81
0 0 0 14216 360 428 6812 0 0 1 11 116 42 2 3 95
0 0 0 14216 392 424 6784 0 0 0 0 105 26 2 3 95
0 0 0 14216 392 424 6784 0 0 0 0 105 22 1 4 95
0 0 0 14216 392 424 6784 0 0 0 0 111 29 2 3 95
0 0 0 14216 392 424 6784 0 0 0 0 109 39 2 3 95
ddd&
[2] 30803
Q:~$ 1 0 0 14216 296 420 6800 0 0 90 35 173 132 2 4 94
1 0 0 14216 296 340 6708 0 0 524 0 197 266 9 7 85
1 0 0 14216 288 192 6804 0 0 519 0 203 266 5 6 90
1 0 0 14356 296 184 6788 0 144 423 36 221 252 10 10 81
1 0 0 14460 288 184 6916 12 144 387 36 215 363 4 8 89
0 1 0 14584 296 184 6928 152 144 113 41 203 182 5 5 91
1 0 0 14808 300 184 7072 56 260 233 65 214 237 37 5 58
1 0 0 14900 292 180 7060 20 120 167 30 176 307 52 10 38
2 0 0 15208 292 180 7224 12 316 260 79 213 366 55 5 40
1 2 0 15280 296 180 7220 52 80 133 20 204 274 12 5 83
1 2 0 15324 292 180 7228 48 48 95 30 185 151 10 2 88
1 3 0 15328 288 180 7244 64 60 142 15 204 544 13 10 76
2 2 0 15360 316 180 7192 28 44 115 11 204 379 21 6 72
3 0 0 15380 320 180 7228 32 76 141 19 187 580 63 9 27
2 0 0 15692 300 180 7512 24 336 512 84 271 511 41 9 50
lyx&
procs memory swap io system cpu
r b w swpd free buff cache si so bi bo in cs us sy id
1 2 0 15760 300 180 7564 4 68 150 35 209 196 11 1 88
[3] 30805
Q:~$ 2 0 0 15916 300 180 7636 4 168 169 42 195 200 17 6 77
1 0 0 15964 300 176 7572 12 52 244 13 210 245 10 4 87
1 0 0 16228 292 176 7776 0 304 346 76 208 198 6 8 87
In ProgamVisual [flvisual.c 298] Bogus request: PseudoColor with depth=8
1 0 0 16388 292 176 7824 156 172 259 43 216 625 15 3 82
1 0 0 16400 288 172 7804 80 84 331 45 206 286 42 4 54
1 1 0 16444 292 172 7800 172 128 115 32 189 458 16 4 80
0 1 0 16528 296 172 7720 92 180 140 45 184 604 30 7 64
1 0 0 16612 324 172 7572 44 120 111 30 417 899 48 20 32
2 1 0 16624 472 236 7568 4 12 37 3 302 828 22 8 70
3 0 0 16636 296 284 7648 0 12 156 25 429 619 14 10 75
1 0 0 16652 332 284 7600 0 16 27 4 180 317 12 3 85
1 0 0 16696 332 284 7620 44 80 40 20 165 190 3 5 92
1 0 0 16756 396 284 7616 0 44 0 11 115 130 2 4 94
1 0 0 16756 392 284 7616 0 0 2 14 115 147 4 3 93
1 0 0 16756 392 284 7616 0 0 0 0 342 655 34 9 57
0 0 0 16756 392 284 7616 0 0 0 0 180 318 9 5 87
0 0 0 16756 396 284 7608 0 0 9 0 124 140 1 5 94
1 0 0 16748 376 284 7608 16 0 21 0 121 184 2 4 94
0 1 0 16760 388 284 7604 4 12 4 24 138 209 3 3 94
0 0 0 16760 548 284 7612 12 0 11 0 112 653 8 7 86
procs memory swap io system cpu
r b w swpd free buff cache si so bi bo in cs us sy id
1 0 0 16760 548 284 7612 0 0 1 0 112 168 4 3 93
0 0 0 16760 548 284 7612 0 0 0 0 106 1237 3 13 84
0 0 0 16760 548 284 7612 0 0 3 0 114 1153 6 9 86
0 0 0 16760 548 284 7612 0 0 0 2 112 170 3 3 94
0 0 0 16760 548 284 7612 0 0 7 0 118 323 3 4 93
/var/MicroShit/vfat/windows/sol.exe
0 1 0 16784 372 336 7704 4 24 135 6 170 1295 5 12 83
0 1 0 16960 288 336 7916 4 216 402 54 223 910 2 12 86
1 0 0 17348 288 212 7864 0 388 690 97 217 349 11 8 81

[4]+ Stopped /var/MicroShit/vfat/windows/sol.exe
Q:~$ %& 0 0 0 17360 316 200 7712 0 12 39 10 140 230 30 4 66

[4]+ /var/MicroShit/vfat/windows/sol.exe &
Q:~$ 1 0 0 17512 300 196 7364 0 152 444 38 142 225 51 7 42
2 0 0 17772 532 260 7188 0 260 228 65 135 201 83 8 9
2 0 0 17724 376 216 7356 68 8 265 2 170 327 43 7 50
2 1 0 17736 276 212 7164 56 72 443 48 356 632 15 11 73
3 0 0 17836 296 212 7176 40 108 138 27 467 2816 36 26 38
0 0 0 17872 352 212 7180 0 36 5 9 296 964 18 11 70
3 0 0 17912 316 212 7216 36 48 57 12 332 2416 41 22 37
2 0 0 17928 332 204 7224 8 16 32 4 339 2234 36 14 50
1 0 0 18200 616 188 7128 8 276 3 77 424 1170 29 14 57
1 0 0 18200 620 188 7128 0 0 0 0 348 826 10 11 78
2 0 0 18200 624 188 7128 0 0 0 0 201 778 21 9 70
1 0 0 18200 604 188 7140 0 0 12 0 312 2102 29 28 44
procs memory swap io system cpu
r b w swpd free buff cache si so bi bo in cs us sy id
1 0 0 18188 320 188 7264 56 12 141 3 392 2277 46 34 20
3 0 0 18208 372 184 7244 4 24 6 10 489 728 38 10 52
1 0 0 18224 388 184 7244 0 16 0 4 202 349 16 3 81
0 0 0 18228 348 184 7272 20 8 34 2 312 653 8 11 80
0 0 0 18512 760 172 7156 12 328 3 82 309 642 10 8 82
1 0 0 18428 512 172 7172 140 28 54 7 200 350 15 4 81
1 0 0 17936 1516 172 7348 136 28 225 9 341 748 21 9 70
1 0 0 17924 1260 172 7496 104 0 182 0 284 2230 33 20 47
0 4 0 17900 1604 236 7544 64 0 73 0 276 599 16 7 77
1 2 0 17840 3080 236 7652 108 0 162 0 345 1027 7 19 75
1 2 0 17768 2732 300 7728 68 0 119 0 322 324 10 7 83
3 0 0 17768 2308 300 7904 16 0 188 7 474 962 17 20 63
2 0 0 17768 2364 300 8004 0 0 100 0 346 876 36 48 16
2 0 0 17764 2008 300 8240 52 0 252 0 272 942 23 24 54
3 0 0 17612 2100 364 8276 44 0 127 0 196 438 38 40 22
0 1 0 17564 2552 364 8340 60 0 76 60 267 362 10 20 70

[2] Done ddd
[3]- Done lyx
[4]+ Done /var/MicroShit/vfat/windows/sol.exe
Q:~$ 0 0 0 17564 2524 364 8356 16 0 23 0 182 66 12 4 84
e 0 0 0 17564 2524 364 8356 0 0 0 0 128 40 5 3 92
jobs 1 0 0 17548 2380 428 8400 36 0 57 0 143 132 6 4 91

[1]+ Running vmstat 1 &
Q:~$ 0 0 0 17544 2364 428 8404 16 0 13 0 144 55 9 3 88
fg
vmstat 1

Q:~$ exit
exit

Script done on Sat Sep 7 19:22:14 1996

7:24pm up 1 day, 18:17, 12 users, load average: 0.70, 0.61, 0.63
61 processes: 60 sleeping, 1 running, 0 zombie, 0 stopped
CPU states: 3.3% user, 7.5% system, 10.7% nice, 89.3% idle
Mem: 22784K av, 22452K used, 332K free, 8348K shrd, 440K buff
Swap: 76604K av, 14564K used, 62040K free 6020K cached

7:34pm up 1 day, 18:27, 12 users, load average: 0.16, 0.34, 0.47
61 processes: 60 sleeping, 1 running, 0 zombie, 0 stopped
CPU states: 4.5% user, 7.2% system, 11.7% nice, 88.3% idle
Mem: 22784K av, 22400K used, 384K free, 9308K shrd, 656K buff
Swap: 76604K av, 15380K used, 61224K free 7336K cached

I go to Netscape and play with the process that's been sitting there
a bit:

7:35pm up 1 day, 18:28, 12 users, load average: 0.69, 0.44, 0.49
61 processes: 60 sleeping, 1 running, 0 zombie, 0 stopped
CPU states: 1.5% user, 9.0% system, 10.5% nice, 89.5% idle
Mem: 22784K av, 22448K used, 336K free, 8788K shrd, 148K buff
Swap: 76604K av, 13492K used, 63112K free 6384K cached

Ok so *NOW* it finally looks like it's working right.

But why so much swapout to make room for *new* processes??

Here's SHIFT-SCROLL_LOCK:

Sep 7 19:36:56 Q facility=kern(0) priority=warn(4) priority=warning(4) kernel:
Mem-info:
Free pages: 384kB
( 44*4kB 2*8kB 6*16kB 1*32kB 1*64kB 0*128kB = 384kB)
Swap cache: add 52546/52546, delete 85708967/44074, find 68050/8233
Free swap: 62160kB
6144 pages of RAM
103 free pages
448 reserved pages
2343 pages shared
Buffer memory: 164kB
Buffer heads: 4980
Buffer blocks: 164
Buffer[0] mem: 63 buffers, 0 used (last=0), 0 locked, 0 protected, 0 dirty 0 shrd
Buffer[2] mem: 60 buffers, 44 used (last=44), 0 locked, 0 protected, 0 dirty 0 shrd
Buffer[4] mem: 13 buffers, 0 used (last=0), 0 locked, 0 protected, 13 dirty 0 shrd
Size [LAV] Free Clean Unshar Lck Lck1 Dirty Shared
512 [ 0]: 0 0 0 0 0 0 0
1024 [ 207]: 28 63 0 60 0 13 0
2048 [ 0]: 0 0 0 0 0 0 0
4096 [ 0]: 0 0 0 0 0 0 0
8192 [ 0]: 0 0 0 0 0 0 0
Networking buffers in use : 12
Network buffers locked by drivers : 0
Total network buffer allocations : 13929151
Total failed network buffer allocs : 203
Total free while locked events : 0
IP fragment buffer size : 0

And I start ddd, sol.exe, lyx & emacs again to watch the behavoir again:

vQ:~$ vmstat 1&
[1] 32380
Q:~$ procs memory swap io system cpu
r b w swpd free buff cache si so bi bo in cs us sy id
d 0 0 0 15692 288 336 6564 2 1 21 4 140 253 14 5 81
dd&
[2] 32381
Q:~$ ly 1 0 0 15724 296 336 6524 0 32 161 8 169 210 9 7 83
x&
[3] 32382
Q:~$ 1 2 0 15724 292 280 6340 0 0 531 0 237 345 16 7 77
1 2 0 15952 244 232 6544 0 260 461 65 201 225 8 4 89
/var/ 0 2 0 16124 288 232 6664 0 156 221 82 225 230 4 5 91
MicroShit/vfat/ 0 4 0 16188 284 184 6652 0 64 221 16 174 284 13 11 75
1 4 0 16236 272 176 6688 8 48 256 12 197 393 8 5 87
In ProgamVisual [flvisual.c 298] Bogus request: PseudoColor with depth=8
0 4 0 16388 288 176 6808 8 152 160 38 211 308 11 6 83
windows/ 0 2 0 16628 280 172 6908 100 240 241 60 219 199 9 2 90
1 1 0 16668 296 172 6940 84 116 288 49 197 166 13 7 80
0 2 0 16800 288 152 6996 12 132 331 33 183 264 40 15 45
sol 0 2 0 16928 292 152 7148 12 128 336 32 205 416 10 5 85
.ex 1 3 0 17052 304 152 7200 164 144 205 36 207 466 16 8 76
1 0 0 17236 300 152 7300 56 300 215 75 424 670 24 11 65
e 1 1 0 17268 292 152 7332 8 44 177 22 285 781 32 9 58
1 0 0 17336 304 144 7236 76 144 234 36 192 446 25 17 58
3 0 0 17352 400 144 7272 40 56 170 14 220 338 23 7 70
2 1 0 17364 292 144 7408 4 12 233 3 329 478 43 9 49
&
[4] 32383
Q:~$ 3 0 0 17440 360 144 7396 28 100 174 25 194 302 56 6 38
2 0 0 17432 300 144 7392 20 0 169 9 190 365 10 4 87
3 1 0 17444 300 144 7504 0 12 294 3 370 799 50 17 33
procs memory swap io system cpu
r b w swpd free buff cache si so bi bo in cs us sy id
2 1 0 17476 288 144 7652 8 40 308 10 347 760 30 12 58
emacs 2 1 0 17564 280 152 7740 20 104 222 26 217 392 31 7 62
&
[5] 32384
Q:~$ 3 2 0 17608 360 156 7620 16 64 247 16 202 484 21 8 71
2 3 0 17828 280 156 7512 4 224 110 84 386 548 20 7 74
0 4 0 17900 424 156 7508 16 76 116 19 440 767 38 19 43
0 3 0 17932 292 156 7648 4 44 180 11 256 415 8 8 83
1 4 0 18500 288 156 7652 12 568 147 142 210 304 16 7 77
0 3 0 18984 300 156 7248 36 488 170 122 180 333 23 11 66
2 1 0 19336 292 156 7184 36 356 519 103 206 306 21 7 72
2 3 0 19432 336 172 7036 120 152 222 38 234 296 65 13 23
1 5 0 19412 292 172 7084 128 84 223 21 187 376 25 11 63
1 7 0 19556 292 172 7188 76 184 144 46 184 521 11 7 82
1 7 0 19660 288 172 7264 100 168 181 42 183 297 5 4 91
0 10 0 19744 216 172 7320 124 268 290 67 200 394 6 6 89
0 13 0 19856 288 152 7044 76 148 266 80 238 323 7 8 85
2 5 0 20072 284 152 6948 100 264 399 66 206 365 21 23 56
1 4 0 20124 812 152 6576 92 84 173 21 178 315 88 8 5
3 3 0 20096 484 152 6700 164 0 191 0 198 511 52 6 42
0 4 0 19956 304 188 6684 152 20 106 5 193 569 50 5 45
0 4 0 20004 328 188 6660 56 120 188 39 184 245 15 9 76
1 2 0 20012 288 176 6644 84 8 156 2 188 486 18 17 66
procs memory swap io system cpu
r b w swpd free buff cache si so bi bo in cs us sy id
1 4 0 20064 276 172 6568 96 64 203 16 195 388 5 8 88
1 3 0 19948 288 172 6512 72 108 154 27 185 286 11 5 84
1 4 0 20052 280 172 6472 160 156 101 39 214 279 5 6 90
0 5 0 20108 280 172 6488 92 100 98 62 193 233 1 7 92
0 3 0 20116 292 172 6464 88 80 127 20 191 316 6 13 81
1 2 0 20072 292 168 6380 132 112 186 28 196 259 23 9 69
0 4 0 20112 292 168 6416 156 80 209 20 197 930 42 4 54
0 3 0 20080 264 168 6484 120 168 209 42 190 1590 11 11 77
0 3 0 20080 292 164 6428 60 4 213 12 167 252 4 4 92
0 4 0 19996 292 160 6452 76 68 245 17 172 331 20 16 64
1 3 0 20168 228 160 6616 64 188 202 47 193 1003 10 8 82
0 3 0 20276 284 160 6628 84 180 195 45 217 329 11 5 84
0 3 0 20408 292 160 6676 152 192 235 48 195 347 14 5 81
0 3 0 20504 288 160 6720 92 152 155 64 192 276 8 4 89
0 2 0 20644 288 160 6760 136 180 115 45 190 824 29 22 49
0 3 0 20748 288 152 6636 116 124 331 31 194 1810 27 15 58
0 2 0 20816 296 152 6716 44 208 184 52 189 241 7 10 84
0 2 0 20976 280 152 6712 188 172 140 57 206 385 5 4 91
1 1 0 21016 284 152 6748 192 176 216 44 212 544 7 7 87
0 2 0 21140 288 152 6784 140 164 162 41 198 1684 33 23 44
1 2 0 21284 284 152 6748 176 204 141 51 212 552 20 7 73
procs memory swap io system cpu
r b w swpd free buff cache si so bi bo in cs us sy id
0 3 0 21448 288 152 6688 168 180 164 45 196 486 6 7 88
1 4 0 21556 288 156 6356 200 112 201 47 202 316 10 9 82
0 4 0 21476 292 156 6304 100 92 109 23 199 244 3 3 94
0 5 0 21592 288 156 6268 132 128 107 32 220 328 7 13 80
0 5 0 21664 300 156 6196 112 148 113 37 195 262 3 6 92
0 5 0 21868 292 156 6160 156 204 117 51 217 259 4 5 91
0 6 0 21960 288 156 6116 108 96 122 24 211 295 1 4 95
0 4 0 21992 292 160 6092 56 32 89 37 217 276 1 5 94
1 2 0 22084 280 160 6028 168 168 75 42 196 331 8 13 79
0 2 0 22264 284 144 5872 260 192 70 48 194 304 6 4 90
0 2 0 21708 796 144 5668 340 116 92 29 203 325 3 3 94
0 3 0 21696 380 144 5684 416 0 120 0 216 328 8 3 89
0 2 0 21460 292 144 5732 160 84 165 40 204 291 10 4 87
0 2 0 21624 280 144 5708 252 168 69 42 207 338 14 10 76
1 1 0 21524 1696 144 5772 164 60 158 15 194 291 18 5 77
0 1 0 21508 1264 144 6112 128 0 378 0 194 642 26 7 68
0 0 0 21504 860 208 6384 64 0 318 0 186 358 5 8 88
0 0 0 21504 860 208 6384 0 0 0 14 105 135 3 3 94
1 0 0 21096 284 204 6304 4 40 13 10 133 247 29 11 60
0 0 0 21300 316 140 5976 44 256 37 64 179 222 17 4 79
0 0 0 21184 328 140 5980 32 8 47 2 142 172 3 6 91
procs memory swap io system cpu
r b w swpd free buff cache si so bi bo in cs us sy id
1 0 0 21228 392 140 5948 16 44 4 11 139 162 3 3 94
0 0 0 21228 388 140 5948 0 0 4 7 113 145 5 3 92
0 0 0 21212 400 140 5940 0 4 13 1 133 213 16 15 69
0 0 0 21204 1908 140 5960 12 0 32 0 126 152 21 4 75
0 0 0 21204 1908 140 5960 0 0 0 0 288 672 3 10 87
4 3 0 21176 1120 140 5992 220 0 103 0 349 738 32 8 60
0 7 0 21172 800 140 6092 124 0 143 14 203 430 13 3 84
date
f 1 8 0 21168 336 204 6268 168 16 225 4 208 454 11 21 67
inally s 0 7 0 21152 344 196 6264 92 88 112 22 202 355 4 5 92
tops s 0 6 0 21260 312 260 6316 4 108 101 27 202 506 7 7 86
wapping
0 6 0 21428 344 252 6344 16 216 100 54 240 366 3 13 83
Sat Sep 7 19:40:06 EDT 1996
Q:~$ echo finally stops swapping
4 1 0 21500 304 252 6468 4 76 183 24 298 542 15 13 72
finally stops swapping
Q:~$ 2 1 0 21632 296 252 6692 44 148 283 37 200 475 15 23 62
2 4 0 21656 292 228 6560 104 44 205 11 341 617 8 12 80
1 4 1 21748 296 220 6520 48 148 190 37 482 1045 14 19 67
2 2 0 21448 940 284 6592 52 96 198 24 418 906 16 14 70
0 5 0 21432 924 284 6736 48 0 160 42 312 538 9 9 81
1 3 0 21428 600 284 6856 72 0 151 0 370 644 15 29 56
1 4 0 21472 324 284 6984 136 64 120 16 274 512 30 47 23
1 6 0 21444 292 260 6796 112 52 231 13 235 345 7 8 85
1 4 0 21440 296 244 6544 104 0 219 0 467 679 8 11 81
procs memory swap io system cpu
r b w swpd free buff cache si so bi bo in cs us sy id
2 3 0 21424 292 236 6268 172 0 338 33 429 667 20 14 65
1 4 0 21424 296 224 6172 60 0 229 0 235 218 89 4 7
3 2 0 21000 784 216 5932 96 0 161 0 247 248 93 6 1
1 3 0 21356 252 212 5356 12 388 153 97 263 303 79 10 10
4 0 0 21620 392 212 5420 48 264 107 66 196 205 68 7 24
1 5 0 21740 412 212 5444 180 128 109 64 267 796 79 21 0
3 4 0 21844 504 212 5492 44 168 98 42 189 397 58 14 28
0 3 2 21800 2484 340 5584 128 0 217 0 497 1549 32 29 39
1 0 0 21664 2936 340 5680 120 0 128 0 621 2206 49 21 31
3 0 0 21652 2896 340 5780 12 0 131 0 594 1773 26 25 49
1 1 0 21552 2492 340 5960 148 0 210 18 468 1590 21 27 52
1 2 0 21552 2228 532 5968 64 0 191 0 417 734 8 8 83
1 3 0 21552 2024 660 6024 16 0 154 0 443 852 19 11 70
0 3 0 21548 1856 724 6060 68 0 126 0 403 634 13 8 79
1 4 0 21548 1688 788 6100 68 0 150 0 443 804 8 8 83
0 3 0 21548 1568 852 6112 44 0 72 65 315 567 20 20 60
0 3 0 21548 1404 916 6156 48 0 140 0 211 279 5 5 90
0 3 0 21544 1188 1044 6192 52 0 141 0 208 243 5 7 89
1 3 0 21532 936 1044 6304 144 0 173 0 269 414 9 28 63
1 6 0 21492 668 1044 6464 160 0 230 9 241 480 17 16 67
2 2 0 21468 296 1096 6612 176 36 213 9 341 484 10 11 79
procs memory swap io system cpu
r b w swpd free buff cache si so bi bo in cs us sy id
1 5 0 21352 440 1080 6692 140 68 175 17 386 779 27 13 59
1 1 0 20612 1664 1080 6820 260 8 199 2 347 636 19 8 74
0 4 0 20608 1180 1080 7016 252 0 254 0 511 1195 21 18 61
0 2 0 20568 892 1080 7088 220 0 129 48 271 217 10 11 79
1 0 0 19292 2072 1080 7136 200 0 95 0 392 513 10 18 71
1 0 0 19284 2040 1144 7212 44 0 86 0 192 496 12 9 79
0 0 0 19192 1904 1144 7252 96 0 60 0 232 222 10 5 86
0 1 0 19192 1796 1144 7324 40 0 84 0 306 851 21 10 70
1 0 0 18836 1976 1144 7344 80 0 40 16 160 254 24 14 62
0 0 0 18832 436 1144 7344 0 0 1 0 118 48 36 5 59
0 0 0 18832 436 1144 7344 0 0 0 0 105 23 5 3 92
0 0 0 18832 436 1144 7344 0 0 0 0 109 30 5 6 90
0 0 0 18832 436 1144 7344 0 0 0 0 105 26 3 5 92
0 0 0 18832 436 1144 7344 0 0 0 21 105 101 23 8 70
0 0 0 18832 1968 1144 7344 0 0 0 0 111 26 23 3 74
1 0 0 18832 1968 1144 7344 0 0 0 0 227 299 4 8 89

[2] Done ddd
[3] Done lyx
[4]- Done /var/MicroShit/vfat/windows/sol.exe
[5]+ Done emacs
Q:~$ 1 0 0 18832 1952 1144 7352 8 0 10 0 183 126 10 3 88
echo 1 0 0 18832 1952 1144 7352 0 0 0 0 115 84 6 3 91
noe t 1 2 0 18824 1860 1144 7352 96 0 26 13 148 140 7 15 78
e the 1 0 0 18808 1796 1144 7352 60 0 15 0 135 132 5 4 91
DDD debug 1 0 0 18808 1792 1144 7352 4 0 1 0 127 136 5 4 91
 ger procs memory swap io system cpu
r b w swpd free buff cache si so bi bo in cs us sy id
1 0 0 18808 1788 1144 7352 0 0 0 0 116 97 5 4 91
temrin 0 0 0 18808 1792 1144 7352 0 0 0 3 121 113 11 5 84
ated a 0 0 0 18808 1792 1144 7352 0 0 0 0 118 155 10 11 78
bnormally 1 0 0 18808 1792 1144 7352 0 0 0 0 122 121 5 4 91

note the DDD debugger temrinated abnormally
Q:~$ exit
exit

Script done on Sat Sep 7 19:41:08 1996

Ok so cache does go down to about 5940 at its lowest.

Is this right??

Here's a zillion SHIFT-SCROLL_LOCKS output during the above; note the
timestamp I put in the above vmstat so you can correspond it with below:

Sep 7 19:38:59 Q facility=kern(0) priority=warn(4) priority=warning(4) kernel:
Mem-info:
Free pages: 360kB
( 36*4kB 3*8kB 6*16kB 1*32kB 1*64kB 0*128kB = 360kB)
Swap cache: add 53104/53104, delete 85818836/44199, find 70067/8790
Free swap: 57184kB
6144 pages of RAM
97 free pages
448 reserved pages
2504 pages shared
Buffer memory: 172kB
Buffer heads: 4980
Buffer blocks: 172
Buffer[0] mem: 34 buffers, 2 used (last=34), 1 locked, 0 protected, 0 dirty 0 shrd
Buffer[2] mem: 36 buffers, 36 used (last=36), 0 locked, 0 protected, 0 dirty 0 shrd
Buffer[4] mem: 49 buffers, 8 used (last=29), 0 locked, 0 protected, 49 dirty 0 shrd
Size [LAV] Free Clean Unshar Lck Lck1 Dirty Shared
512 [ 0]: 0 0 0 0 0 0 0
1024 [ 886]: 53 34 0 36 0 49 0
2048 [ 0]: 0 0 0 0 0 0 0
4096 [ 0]: 0 0 0 0 0 0 0
8192 [ 0]: 0 0 0 0 0 0 0
Networking buffers in use : 15
Network buffers locked by drivers : 0
Total network buffer allocations : 13934641
Total failed network buffer allocs : 203
Total free while locked events : 0
IP fragment buffer size : 0

Sep 7 19:39:03 Q facility=kern(0) priority=warn(4) priority=warning(4) kernel:
Mem-info:
Free pages: 216kB
( 4*4kB 1*8kB 6*16kB 1*32kB 1*64kB 0*128kB = 216kB)
Swap cache: add 53192/53192, delete 85825142/44279, find 70249/8812
Free swap: 56852kB
6144 pages of RAM
61 free pages
448 reserved pages
3277 pages shared
Buffer memory: 172kB
Buffer heads: 4980
Buffer blocks: 172
Buffer[0] mem: 36 buffers, 3 used (last=33), 3 locked, 0 protected, 0 dirty 0 shrd
Buffer[2] mem: 36 buffers, 36 used (last=36), 0 locked, 0 protected, 0 dirty 0 shrd
Buffer[4] mem: 50 buffers, 8 used (last=29), 0 locked, 0 protected, 50 dirty 0 shrd
Size [LAV] Free Clean Unshar Lck Lck1 Dirty Shared
512 [ 0]: 0 0 0 0 0 0 0
1024 [ 886]: 50 36 0 36 0 50 0
2048 [ 0]: 0 0 0 0 0 0 0
4096 [ 0]: 0 0 0 0 0 0 0
8192 [ 0]: 0 0 0 0 0 0 0
Networking buffers in use : 25
Network buffers locked by drivers : 0
Total network buffer allocations : 13934965
Total failed network buffer allocs : 203
Total free while locked events : 0
IP fragment buffer size : 0

Sep 7 19:39:08 Q facility=kern(0) priority=warn(4) priority=warning(4) kernel:
Mem-info:
Free pages: 428kB
( 53*4kB 3*8kB 6*16kB 1*32kB 1*64kB 0*128kB = 428kB)
Swap cache: add 53323/53323, delete 85835879/44348, find 70539/8819
Free swap: 56624kB
6144 pages of RAM
114 free pages
448 reserved pages
2369 pages shared
Buffer memory: 188kB
Buffer heads: 4980
Buffer blocks: 188
Buffer[0] mem: 97 buffers, 3 used (last=97), 3 locked, 0 protected, 0 dirty 0 shrd
Buffer[2] mem: 41 buffers, 41 used (last=41), 0 locked, 0 protected, 0 dirty 0 shrd
Buffer[4] mem: 43 buffers, 3 used (last=27), 0 locked, 0 protected, 43 dirty 0 shrd
Size [LAV] Free Clean Unshar Lck Lck1 Dirty Shared
512 [ 0]: 0 0 0 0 0 0 0
1024 [ 957]: 7 97 0 41 0 43 0
2048 [ 0]: 0 0 0 0 0 0 0
4096 [ 0]: 0 0 0 0 0 0 0
8192 [ 0]: 0 0 0 0 0 0 0
Networking buffers in use : 10
Network buffers locked by drivers : 0
Total network buffer allocations : 13935487
Total failed network buffer allocs : 203
Total free while locked events : 0
IP fragment buffer size : 0

Sep 7 19:39:16 Q facility=kern(0) priority=warn(4) priority=warning(4) kernel:
Mem-info:
Free pages: 284kB
( 11*4kB 6*8kB 6*16kB 1*32kB 1*64kB 0*128kB = 284kB)
Swap cache: add 53473/53473, delete 85845575/44435, find 70728/8843
Free swap: 56488kB
6144 pages of RAM
78 free pages
448 reserved pages
2368 pages shared
Buffer memory: 172kB
Buffer heads: 4980
Buffer blocks: 172
Buffer[0] mem: 45 buffers, 0 used (last=0), 0 locked, 0 protected, 0 dirty 0 shrd
Buffer[2] mem: 78 buffers, 44 used (last=57), 0 locked, 0 protected, 0 dirty 0 shrd
Buffer[4] mem: 20 buffers, 0 used (last=0), 0 locked, 0 protected, 20 dirty 0 shrd
Size [LAV] Free Clean Unshar Lck Lck1 Dirty Shared
512 [ 0]: 0 0 0 0 0 0 0
1024 [ 1223]: 29 45 0 78 0 20 0
2048 [ 0]: 0 0 0 0 0 0 0
4096 [ 0]: 0 0 0 0 0 0 0
8192 [ 0]: 0 0 0 0 0 0 0
Networking buffers in use : 49
Network buffers locked by drivers : 0
Total network buffer allocations : 13935763
Total failed network buffer allocs : 203
Total free while locked events : 0
IP fragment buffer size : 0

Sep 7 19:39:22 Q facility=kern(0) priority=warn(4) priority=warning(4) kernel:
Mem-info:
Free pages: 288kB
( 16*4kB 4*8kB 6*16kB 1*32kB 1*64kB 0*128kB = 288kB)
Swap cache: add 53593/53593, delete 85857041/44566, find 70928/8883
Free swap: 56492kB
6144 pages of RAM
79 free pages
448 reserved pages
2361 pages shared
Buffer memory: 160kB
Buffer heads: 4980
Buffer blocks: 160
Buffer[0] mem: 51 buffers, 0 used (last=0), 0 locked, 0 protected, 0 dirty 0 shrd
Buffer[2] mem: 52 buffers, 41 used (last=41), 0 locked, 0 protected, 0 dirty 0 shrd
Buffer[4] mem: 33 buffers, 3 used (last=24), 0 locked, 0 protected, 33 dirty 0 shrd
Size [LAV] Free Clean Unshar Lck Lck1 Dirty Shared
512 [ 0]: 0 0 0 0 0 0 0
1024 [ 1276]: 24 51 0 52 0 33 0
2048 [ 0]: 0 0 0 0 0 0 0
4096 [ 0]: 0 0 0 0 0 0 0
8192 [ 0]: 0 0 0 0 0 0 0
Networking buffers in use : 10
Network buffers locked by drivers : 0
Total network buffer allocations : 13937271
Total failed network buffer allocs : 203
Total free while locked events : 0
IP fragment buffer size : 0

Sep 7 19:39:27 Q facility=kern(0) priority=warn(4) priority=warning(4) kernel:
Mem-info:
Free pages: 296kB
( 26*4kB 0*8kB 6*16kB 1*32kB 1*64kB 0*128kB = 296kB)
Swap cache: add 53708/53708, delete 85864355/44585, find 71069/8912
Free swap: 55856kB
6144 pages of RAM
81 free pages
448 reserved pages
2408 pages shared
Buffer memory: 152kB
Buffer heads: 4980
Buffer blocks: 152
Buffer[0] mem: 44 buffers, 1 used (last=44), 1 locked, 0 protected, 0 dirty 0 shrd
Buffer[2] mem: 49 buffers, 49 used (last=49), 7 locked, 0 protected, 0 dirty 0 shrd
Buffer[4] mem: 23 buffers, 2 used (last=13), 0 locked, 0 protected, 23 dirty 0 shrd
Size [LAV] Free Clean Unshar Lck Lck1 Dirty Shared
512 [ 0]: 0 0 0 0 0 0 0
1024 [ 1375]: 36 44 0 49 0 23 0
2048 [ 0]: 0 0 0 0 0 0 0
4096 [ 0]: 0 0 0 0 0 0 0
8192 [ 0]: 0 0 0 0 0 0 0
Networking buffers in use : 10
Network buffers locked by drivers : 0
Total network buffer allocations : 13938409
Total failed network buffer allocs : 203
Total free while locked events : 0
IP fragment buffer size : 0

Sep 7 19:39:32 Q facility=kern(0) priority=warn(4) priority=warning(4) kernel:
Mem-info:
Free pages: 292kB
( 23*4kB 1*8kB 6*16kB 1*32kB 1*64kB 0*128kB = 292kB)
Swap cache: add 53884/53884, delete 85875591/44680, find 71238/8955
Free swap: 55328kB
6144 pages of RAM
80 free pages
448 reserved pages
2400 pages shared
Buffer memory: 152kB
Buffer heads: 4980
Buffer blocks: 152
Buffer[0] mem: 67 buffers, 2 used (last=67), 1 locked, 0 protected, 0 dirty 0 shrd
Buffer[2] mem: 56 buffers, 44 used (last=49), 0 locked, 0 protected, 0 dirty 0 shrd
Buffer[4] mem: 27 buffers, 0 used (last=0), 0 locked, 0 protected, 27 dirty 0 shrd
Size [LAV] Free Clean Unshar Lck Lck1 Dirty Shared
512 [ 0]: 0 0 0 0 0 0 0
1024 [ 1408]: 2 67 0 56 0 27 0
2048 [ 0]: 0 0 0 0 0 0 0
4096 [ 0]: 0 0 0 0 0 0 0
8192 [ 0]: 0 0 0 0 0 0 0
Networking buffers in use : 10
Network buffers locked by drivers : 0
Total network buffer allocations : 13939466
Total failed network buffer allocs : 203
Total free while locked events : 0
IP fragment buffer size : 0

Sep 7 19:39:37 Q facility=kern(0) priority=warn(4) priority=warning(4) kernel:
Mem-info:
Free pages: 304kB
( 24*4kB 2*8kB 6*16kB 1*32kB 1*64kB 0*128kB = 304kB)
Swap cache: add 54065/54065, delete 85883498/44746, find 71335/8960
Free swap: 54940kB
6144 pages of RAM
83 free pages
448 reserved pages
2336 pages shared
Buffer memory: 156kB
Buffer heads: 4980
Buffer blocks: 156
Buffer[0] mem: 32 buffers, 2 used (last=32), 2 locked, 0 protected, 0 dirty 0 shrd
Buffer[2] mem: 39 buffers, 39 used (last=39), 0 locked, 0 protected, 0 dirty 0 shrd
Buffer[4] mem: 32 buffers, 5 used (last=31), 0 locked, 0 protected, 32 dirty 0 shrd
Size [LAV] Free Clean Unshar Lck Lck1 Dirty Shared
512 [ 0]: 0 0 0 0 0 0 0
1024 [ 1432]: 53 32 0 39 0 32 0
2048 [ 0]: 0 0 0 0 0 0 0
4096 [ 0]: 0 0 0 0 0 0 0
8192 [ 0]: 0 0 0 0 0 0 0
Networking buffers in use : 48
Network buffers locked by drivers : 0
Total network buffer allocations : 13939633
Total failed network buffer allocs : 203
Total free while locked events : 0
IP fragment buffer size : 0

Sep 7 19:39:43 Q facility=kern(0) priority=warn(4) priority=warning(4) kernel:
Mem-info:
Free pages: 288kB
( 16*4kB 4*8kB 6*16kB 1*32kB 1*64kB 0*128kB = 288kB)
Swap cache: add 54241/54241, delete 85890219/44767, find 71466/8979
Free swap: 54356kB
6144 pages of RAM
79 free pages
448 reserved pages
2268 pages shared
Buffer memory: 144kB
Buffer heads: 4980
Buffer blocks: 144
Buffer[0] mem: 51 buffers, 0 used (last=0), 0 locked, 0 protected, 0 dirty 0 shrd
Buffer[2] mem: 64 buffers, 44 used (last=64), 0 locked, 0 protected, 0 dirty 0 shrd
Buffer[4] mem: 22 buffers, 0 used (last=0), 0 locked, 0 protected, 22 dirty 0 shrd
Size [LAV] Free Clean Unshar Lck Lck1 Dirty Shared
512 [ 0]: 0 0 0 0 0 0 0
1024 [ 1446]: 7 51 0 64 0 22 0
2048 [ 0]: 0 0 0 0 0 0 0
4096 [ 0]: 0 0 0 0 0 0 0
8192 [ 0]: 0 0 0 0 0 0 0
Networking buffers in use : 83
Network buffers locked by drivers : 0
Total network buffer allocations : 13939698
Total failed network buffer allocs : 203
Total free while locked events : 0
IP fragment buffer size : 0

Sep 7 19:39:54 Q facility=kern(0) priority=warn(4) priority=warning(4) kernel:
Mem-info:
Free pages: 316kB
( 29*4kB 1*8kB 6*16kB 1*32kB 1*64kB 0*128kB = 316kB)
Swap cache: add 54635/54635, delete 85902837/45202, find 71824/9105
Free swap: 55420kB
6144 pages of RAM
86 free pages
448 reserved pages
2274 pages shared
Buffer memory: 140kB
Buffer heads: 4980
Buffer blocks: 140
Buffer[0] mem: 65 buffers, 0 used (last=0), 0 locked, 0 protected, 0 dirty 0 shrd
Buffer[2] mem: 67 buffers, 41 used (last=65), 0 locked, 0 protected, 0 dirty 0 shrd
Buffer[4] mem: 8 buffers, 3 used (last=7), 0 locked, 0 protected, 8 dirty 0 shrd
Size [LAV] Free Clean Unshar Lck Lck1 Dirty Shared
512 [ 0]: 0 0 0 0 0 0 0
1024 [ 1427]: 0 65 0 67 0 8 0
2048 [ 0]: 0 0 0 0 0 0 0
4096 [ 0]: 0 0 0 0 0 0 0
8192 [ 0]: 0 0 0 0 0 0 0
Networking buffers in use : 10
Network buffers locked by drivers : 0
Total network buffer allocations : 13940123
Total failed network buffer allocs : 203
Total free while locked events : 0
IP fragment buffer size : 0

Sep 7 19:40:23 Q facility=kern(0) priority=warn(4) priority=warning(4) kernel:
Mem-info:
Free pages: 364kB
( 39*4kB 2*8kB 6*16kB 1*32kB 1*64kB 0*128kB = 364kB)
Swap cache: add 55052/55052, delete 85954585/45429, find 72307/9262
Free swap: 54872kB
6144 pages of RAM
98 free pages
448 reserved pages
3032 pages shared
Buffer memory: 212kB
Buffer heads: 4980
Buffer blocks: 212
Buffer[0] mem: 96 buffers, 0 used (last=0), 0 locked, 0 protected, 0 dirty 0 shrd
Buffer[2] mem: 39 buffers, 39 used (last=39), 0 locked, 0 protected, 0 dirty 0 shrd
Buffer[4] mem: 54 buffers, 6 used (last=46), 0 locked, 0 protected, 54 dirty 0 shrd
Size [LAV] Free Clean Unshar Lck Lck1 Dirty Shared
512 [ 0]: 0 0 0 0 0 0 0
1024 [ 1278]: 23 96 0 39 0 54 0
2048 [ 0]: 0 0 0 0 0 0 0
4096 [ 0]: 0 0 0 0 0 0 0
8192 [ 0]: 0 0 0 0 0 0 0
Networking buffers in use : 14
Network buffers locked by drivers : 0
Total network buffer allocations : 13941518
Total failed network buffer allocs : 203
Total free while locked events : 0
IP fragment buffer size : 0

Sep 7 19:40:52 Q facility=kern(0) priority=warn(4) priority=warning(4) kernel:
Mem-info:
Free pages: 440kB
( 0*4kB 25*8kB 9*16kB 1*32kB 1*64kB 0*128kB = 440kB)
Swap cache: add 55611/55611, delete 85986135/45874, find 72376/9297
Free swap: 57772kB
6144 pages of RAM
117 free pages
448 reserved pages
1483 pages shared
Buffer memory: 1144kB
Buffer heads: 4980
Buffer blocks: 1144
Buffer[0] mem: 940 buffers, 0 used (last=0), 0 locked, 0 protected, 0 dirty 0 shrd
Buffer[2] mem: 116 buffers, 37 used (last=104), 0 locked, 0 protected, 0 dirty 0 shrd
Buffer[4] mem: 32 buffers, 7 used (last=26), 0 locked, 0 protected, 32 dirty 0 shrd
Size [LAV] Free Clean Unshar Lck Lck1 Dirty Shared
512 [ 0]: 0 0 0 0 0 0 0
1024 [ 2070]: 56 940 0 116 0 32 0
2048 [ 0]: 0 0 0 0 0 0 0
4096 [ 0]: 0 0 0 0 0 0 0
8192 [ 0]: 0 0 0 0 0 0 0
Networking buffers in use : 14
Network buffers locked by drivers : 0
Total network buffer allocations : 13945776
Total failed network buffer allocs : 203
Total free while locked events : 0
IP fragment buffer size : 0

ps maxw:
PID TTY MAJFLT MINFLT TRS DRS SIZE SWAP RSS SHRD LIB DT COMMAND
2 ? 0 0 0 0 0 0 0 0 0 0 (kflushd)
3 ? 46777 0 0 0 0 0 0 0 0 0 (kswapd)
873 ? 120 407 0 0 120 120 0 0 0 0 (p2p)
28167 9 235 32 0 0 88 88 0 0 0 0 (getty)
334 ? 481 45 0 0 92 92 0 0 0 0 (sshd)
249 ? 16 9 0 0 60 60 0 0 0 0 (portmap)
31980 ? 148 65 0 0 256 256 0 0 0 0 (rplayd)
284 ? 725 334 0 0 28 28 0 0 0 0 (inetd)
426 10 196 32 0 0 88 88 0 0 0 0 (getty)
22676 ? 131 33 0 0 76 76 0 0 0 0 (sh)
22382 ? 533 697 0 0 60 60 0 0 0 0 (FvwmBacker)
24891 p3 113 17 0 0 56 56 0 0 0 0 (gnuserv)
30084 ? 913 62 0 0 192 192 0 0 0 0 (in.nnrpd)
22679 ? 38 12 0 0 32 32 0 0 0 0 (logger)
27045 ? 243 184 0 0 756 756 0 0 0 0 (ispell)
22404 p1 942 774 0 4 156 152 4 4 0 0 (bash)
27 ? 342 129 4 12 76 60 16 16 0 4 (xdm)
22674 ? 30 8 0 16 80 64 16 16 0 4 (cron)
22289 ? 108 104 4 12 288 272 16 16 0 4 (xdm)
323 ? 22 19 0 20 60 40 20 20 0 5 (lpd)
1483 ? 1098 137 0 28 112 84 28 28 0 0 (nntplink)
22381 ? 557 116 20 12 40 8 32 12 0 4 /usr/local/lib/X11/fvwm2/FvwmAudio 12 4 .fvwm2rc 0 8
30603 ? 317 105 0 36 168 132 36 36 0 9 (httpd)
32190 ? 87 24 0 36 156 120 36 36 0 9 (httpd)
21991 ? 243 48 4 36 160 120 40 40 0 9 (httpd)
431 ? 221 3 8 32 76 36 40 28 0 3 update (bdflush)
11613 ? 884 123 4 36 172 132 40 40 0 9 (httpd)
1110 ? 239 15 20 20 80 40 40 28 0 3 /usr/bin/gpm -R -t ps2 -3
11456 ? 631 137 8 36 184 140 44 44 0 9 (httpd)
22873 ? 643 37 36 8 52 8 44 32 0 2 /usr/lib/news/bin/overchan
1 ? 692 125 20 32 104 52 52 36 0 3 init [5]
282 ? 166 16 12 52 128 64 64 36 0 7 rpc.nfsd -r
275 ? 190 17 12 52 124 60 64 36 0 7 rpc.mountd -r
327 ? 353 18 12 60 92 20 72 56 0 8 lpd
227 ? 188 58 60 24 220 136 84 56 0 6 klogd -k /System.map
233 ? 798 329 72 24 120 24 96 64 0 7 syslogd -r -h
488 ? 1172 15519 16 80 140 44 96 72 0 10 /usr/sbin/cron
23365 ? 1501 661 40 60 172 72 100 64 0 18 /usr/local/etc/httpd/src/httpd
974 ? 1568 29 20 96 172 56 116 88 0 2 /sbin/uugetty ttyS2 EXTMODEM ansi
407 ? 1382 251 36 120 196 40 156 108 0 10 /usr/lib/news/bin/nntplink -dkqL -D /var/log/news/news.uu.net.nntplink. -C 800 -i stdin ne
415 ? 1814 247 40 128 208 40 168 120 0 10 /usr/lib/news/bin/nntplink -dkqL -D /var/log/news/news.denver.eti.net.nntplink. -C 800 -i
22380 ? 1625 144 56 124 208 28 180 124 0 10 /usr/local/lib/X11/fvwm2/FvwmPager 10 4 .fvwm2rc 0 8 0 3
22399 ? 1078 110 16 164 384 204 180 100 0 11 oclock -geometry 25x20-1+382
972 ? 1231 123 48 140 220 32 188 128 0 11 /usr/sbin/pppd -d -detach bsdcomp 15,15 crtscts user ulmo mru 1500 mtu 1500 lcp-echo-inter
325 ? 2234 8334 40 148 336 148 188 152 0 9 (sendmail)
22402 ? 713 232 16 180 244 48 196 116 0 19 xautolock -time 7
16367 ? 783 147 132 64 252 56 196 120 0 17 /usr/sbin/xntpd -p /var/run/xntpd.pid
1077 ? 3784 48 20 208 256 28 228 168 0 10 /u/ulmo/thermometer/temperature_dragon save loop
22398 ? 2163 358 56 192 744 496 248 164 0 16 color_xterm -ls -xrm *Desk:0 -fn 5x7 -sb -sl 2048 -geometry =81x35+227+6 -s -rw -T root xt
299 p0 97 26 16 356 372 0 372 284 0 22 ps maxw
32028 p1 265 34 28 356 392 8 384 264 0 28 top
22702 ? 6402 5212 172 256 1380 952 428 164 0 52 /usr/sbin/innd -p4 -i0 -c0 -C
30265 p0 537 506 228 208 488 52 436 316 0 30 bash
30264 ? 644 138 76 372 768 320 448 268 0 39 color_xterm -xrm *Desk:2 -fn 10x20 -sb -sl 2048 -s -rw -T xterm@Q.Net -n xterm@Q.Net
22312 ? 3649 1340 180 320 552 52 500 308 0 34 fvwm2 -m4opt -I/home/ulmo
651 ? 5325 2727 96 476 908 336 572 104 0 90 /usr/sbin/named
24226 ? 1895 1325 216 816 1432 400 1032 424 0 49 eggdrop-current /u/bot/ulmobot/UlmoBot
17548 ? 22052 3888 180 940 4308 3188 1120 432 0 95 /usr/bin/X11/netscape http://www.altavista.digital.com/
44 ? 25845 92831 620 4040 7524 2864 4660 680 0 827 /usr/X11R6/bin/X -bpp 16 -auth /usr/X11R6/lib/X11/xdm/A:0-a00027
24888 ? 12493 7442 2696 5108 8604 800 7804 2188 0 1178 xemacs

Bradley Allen <ulmo@q.net>

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