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wellsc 这样看写入的不多阿
[root@idgs21 ~]# iostat 2
Linux 3.10.0-1062.18.1.el7.x86_64 (iZwz9638raamc1mnqs77lgZ) 06/18/2021 _x86_64_ (2 CPU)
avg-cpu: %user %nice %system %iowait %steal %idle
1.70 0.00 1.13 2.52 0.00 94.65
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 38.77 1236.77 750.54 24477578143 14854213348
avg-cpu: %user %nice %system %iowait %steal %idle
1.75 0.00 1.00 2.00 0.00 95.25
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 29.85 0.00 274.63 0 552
avg-cpu: %user %nice %system %iowait %steal %idle
2.78 0.00 3.54 2.53 0.00 91.16
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 158.00 776.00 1616.00 1552 3232
avg-cpu: %user %nice %system %iowait %steal %idle
0.75 0.00 0.25 0.00 0.00 98.99
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 0.00 0.00 0.00 0 0
avg-cpu: %user %nice %system %iowait %steal %idle
2.26 0.00 1.51 4.27 0.00 91.96
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 66.50 2.00 616.00 4 1232
avg-cpu: %user %nice %system %iowait %steal %idle
1.52 0.00 1.01 3.28 0.00 94.19
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 76.00 4.00 698.00 8 1396
avg-cpu: %user %nice %system %iowait %steal %idle
2.26 0.00 1.75 4.01 0.00 91.98
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 61.50 2.00 584.00 4 1168
avg-cpu: %user %nice %system %iowait %steal %idle
1.01 0.00 0.76 2.02 0.00 96.21
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 31.50 2.00 282.00 4 564
avg-cpu: %user %nice %system %iowait %steal %idle
1.76 0.00 1.01 3.02 0.00 94.22
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 45.00 2.00 422.00 4 844
avg-cpu: %user %nice %system %iowait %steal %idle
1.52 0.00 1.01 3.28 0.00 94.19
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 69.00 2.00 1878.00 4 3756
avg-cpu: %user %nice %system %iowait %steal %idle
1.52 0.00 0.76 3.30 0.00 94.42
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 48.50 2.00 440.00 4 880
avg-cpu: %user %nice %system %iowait %steal %idle
1.50 0.00 0.75 1.50 0.00 96.24
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 24.00 0.00 216.00 0 432
avg-cpu: %user %nice %system %iowait %steal %idle
1.76 0.00 1.26 3.53 0.00 93.45
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 50.50 2.00 462.00 4 924
avg-cpu: %user %nice %system %iowait %steal %idle
0.50 0.00 0.25 0.00 0.00 99.25
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 0.00 0.00 0.00 0 0
avg-cpu: %user %nice %system %iowait %steal %idle
1.51 0.00 1.01 3.27 0.00 94.22
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 63.00 2.00 1360.00 4 2720
avg-cpu: %user %nice %system %iowait %steal %idle
1.26 0.00 0.76 2.27 0.00 95.72
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 30.50 2.00 276.00 4 552
avg-cpu: %user %nice %system %iowait %steal %idle
2.02 0.00 1.01 3.27 0.00 93.70
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 48.50 2.00 436.00 4 872
avg-cpu: %user %nice %system %iowait %steal %idle
0.75 0.00 1.01 1.26 0.00 96.98
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 45.50 2.00 286.00 4 572
avg-cpu: %user %nice %system %iowait %steal %idle
2.26 0.00 1.51 4.77 0.00 91.46
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 71.50 2.00 662.00 4 1324
avg-cpu: %user %nice %system %iowait %steal %idle
0.76 0.00 0.51 2.53 0.00 96.20
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 54.00 2.00 1508.00 4 3016
avg-cpu: %user %nice %system %iowait %steal %idle
1.52 0.00 1.26 3.54 0.00 93.69
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 54.50 2.00 488.00 4 976
avg-cpu: %user %nice %system %iowait %steal %idle
20.80 0.00 2.51 7.77 0.00 68.92
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 63.50 4.00 16120.00 8 32240
avg-cpu: %user %nice %system %iowait %steal %idle
16.20 0.00 3.29 8.35 0.00 72.15
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 94.00 2.00 15182.00 4 30364
avg-cpu: %user %nice %system %iowait %steal %idle
1.50 0.00 1.00 2.01 0.00 95.49
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 30.50 2.00 268.00 4 536
avg-cpu: %user %nice %system %iowait %steal %idle
2.26 0.00 1.76 5.53 0.00 90.45
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 86.50 6.00 1698.00 12 3396
avg-cpu: %user %nice %system %iowait %steal %idle
1.01 0.00 0.75 1.51 0.00 96.73
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 25.00 2.00 238.00 4 476
avg-cpu: %user %nice %system %iowait %steal %idle
2.02 0.00 1.26 3.02 0.00 93.70
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 48.50 2.00 446.00 4 892
avg-cpu: %user %nice %system %iowait %steal %idle
1.00 0.00 0.50 0.50 0.00 97.99
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 6.00 0.00 60.00 0 120
avg-cpu: %user %nice %system %iowait %steal %idle
1.76 0.00 1.51 4.27 0.00 92.46
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 60.50 2.00 544.00 4 1088
avg-cpu: %user %nice %system %iowait %steal %idle
1.26 0.00 0.75 1.76 0.00 96.23
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 45.50 2.00 1336.00 4 2672
avg-cpu: %user %nice %system %iowait %steal %idle
2.27 0.00 1.26 4.55 0.00 91.92
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 69.50 2.00 658.00 4 1316
avg-cpu: %user %nice %system %iowait %steal %idle
1.00 0.00 1.00 1.50 0.00 96.49
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 24.00 2.00 200.00 4 400
avg-cpu: %user %nice %system %iowait %steal %idle
2.53 0.00 3.54 2.53 0.00 91.41
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 63.00 2.00 464.00 4 928
avg-cpu: %user %nice %system %iowait %steal %idle
1.25 0.00 1.00 1.75 0.00 95.99
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 24.00 0.00 222.00 0 444
avg-cpu: %user %nice %system %iowait %steal %idle
2.02 0.00 0.76 3.78 0.00 93.45
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 72.00 2.00 1558.00 4 3116
avg-cpu: %user %nice %system %iowait %steal %idle
1.76 0.00 1.26 2.51 0.00 94.47
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 42.50 2.00 390.00 4 780
avg-cpu: %user %nice %system %iowait %steal %idle
1.76 0.00 1.26 3.27 0.00 93.72
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
vda 48.50 2.00 448.00 4 896
avg-cpu: %user %nice %system %iowait %steal %idle
1.52 0.00 0.76 2.78 0.00 94.95