Hi list, We have 2 lpars in sysplex,one is for production,the other is for development,both are in zos1.9. Recently we noticed the smf datasets' size have huge difference, and we found the main reason is the type 30 record length is different.Any idea of the reasons? below is one sample from SMFDUMP output.
Production:
START DATE-TIME 12/15/2009-00:05:16 END DATE-TIME
12/16/2009-00:05:25
RECORD RECORDS PERCENT AVG. RECORD MIN. RECORD MAX.
RECORD RECORDS
TYPE READ OF TOTAL LENGTH LENGTH
LENGTH WRITTEN
2 47 .00 % 18.00
18 18 1
3 47 .00 % 18.00
18 18 1
4 35,622 .61 % 215.00
215 215 0
5 7,462 .13 % 153.88
145 160 0
14 171,795 2.96 % 398.99
318 756 0
15 172,736 2.98 % 371.35
318 636 0
16 7,756 .13 % 805.24 592
2,296 0
17 33,394 .58 % 100.00
100 148 0
18 825 .01 % 144.00
144 144 0
19 2,072 .04 % 72.00
72 72 0
20 8,687 .15 % 99.81
91 106 0
21 1,344 .02 % 88.00
88 88 0
23 24 .00 % 258.00
258 258 0
26 7,196 .12 % 450.89
442 457 0
30 107,020 1.85 % 1,605.45 398
32,738 0
34 86 .00 % 215.00
215 215 0
35 86 .00 % 148.80
147 150 0
36 18 .00 % 214.00
214 214 0
38 17 .00 % 208.00
208 208 0
41 202 .00 % 272.41
146 412 28
42 205,231 3.54 % 611.82 164
32,748 0
50 480 .01 % 242.00
242 242 0
57 6 .00 % 116.00
116 116 0
60 108,710 1.88 % 413.66 330
4,235 0
61 58,515 1.01 % 1,274.90 282
32,298 0
62 6,932 .12 % 190.57
188 228 0
64 17,803 .31 % 458.00
458 458 0
65 20,529 .35 % 371.41 282
16,223 0
66 42,178 .73 % 1,768.97 287
22,983 0
70 192 .00 % 1,562.00 164
2,960 56
71 96 .00 % 1,752.00 1,752
1,752 28
72 5,858 .10 % 1,726.76 1,076
22,668 1,710
73 96 .00 % 19,712.00 19,712
19,712 28
74 2,598 .04 % 17,375.28 364
32,720 762
75 672 .01 % 264.00
264 264 196
76 25,440 .44 % 217.92
216 344 7,420
77 96 .00 % 9,255.00 1,120
24,000 28
78 192 .00 % 9,331.62 1,888
28,256 56
80 251,764 4.35 % 257.25 180
3,775 0
Development:
RECORD RECORDS PERCENT AVG. RECORD MIN. RECORD MAX.
RECORD RECORDS
TYPE READ OF TOTAL LENGTH LENGTH
LENGTH WRITTEN
2 13 .00 % 18.00
18 18 1
3 13 .00 % 18.00
18 18 1
4 18,956 1.65 % 215.00
215 215 0
5 3,303 .29 % 152.99
145 160 0
14 107,217 9.33 % 422.56 318
1,316 0
15 85,273 7.42 % 371.80
318 408 0
16 4,690 .41 % 792.03 592
2,296 0
17 15,559 1.35 % 100.00
100 100 0
18 197 .02 % 144.00
144 144 0
19 1,036 .09 % 72.00
72 72 0
20 4,156 .36 % 99.04
91 106 0
21 321 .03 % 88.00
88 88 0
23 24 .00 % 258.00
258 258 0
26 797 .07 % 446.80
442 457 0
30 103,273 8.99 % 14,642.36 398
32,750 0
34 113 .01 % 215.00
215 215 0
35 113 .01 % 149.89
148 150 0
38 13 .00 % 208.00
208 208 0
41 1,618 .14 % 161.78
146 412 0
42 138,707 12.07 % 586.35 140
32,748 0
50 288 .03 % 242.00
242 242 0
57 1 .00 % 116.00
116 116 0
60 50,775 4.42 % 434.73 334
2,741 0
61 32,016 2.79 % 389.24 282
10,968 0
62 4,806 .42 % 189.03
188 218 0
64 11,167 .97 % 458.00
458 458 0
65 55,424 4.82 % 863.79 282
5,473 0
66 3,601 .31 % 467.23 285
8,208 0
70 192 .02 % 1,562.00 164
2,960 0
71 96 .01 % 1,752.00 1,752
1,752 0
72 5,762 .50 % 1,742.16 1,076
22,668 0
73 96 .01 % 19,712.00 19,712
19,712 0
74 2,502 .22 % 17,938.05 364
32,720 0
75 768 .07 % 264.00
264 264 0
76 25,440 2.21 % 217.93
216 344 0
77 96 .01 % 9,293.33 1,280
25,120 0
78 192 .02 % 8,289.00 1,888
26,432 0
80 225,219 19.60 % 269.38 180
3,775 0
--
Cobe Xu
Best Regards
-----------------------------------------------------------
zOS Performance & Capacity Analyst
E2E Performance Analyst
Email: cob...@gmail.com
-----------------------------------------------------------
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