NCQ enabled, 4 disks, 32 threads
heavy# zpool iostat 1
capacity operations bandwidth
pool used avail read write read write
---------- ----- ----- ----- ----- ----- -----
...
test 40.0G 1.77T 194 0 22.3M 0
test 40.0G 1.77T 522 0 64.5M 0
test 40.0G 1.77T 548 0 68.0M 0
test 40.0G 1.77T 500 0 62.3M 0
test 40.0G 1.77T 507 0 63.2M 0
test 40.0G 1.77T 512 0 64.0M 0
test 40.0G 1.77T 529 0 66.1M 0
test 40.0G 1.77T 531 0 66.4M 0
test 40.0G 1.77T 508 0 63.5M 0
test 40.0G 1.77T 510 0 63.9M 0
test 40.0G 1.77T 523 0 65.4M 0
test 40.0G 1.77T 483 0 60.4M 0
test 40.0G 1.77T 492 0 61.5M 0
test 40.0G 1.77T 486 0 60.8M 0
test 40.0G 1.77T 525 0 65.7M 0
test 40.0G 1.77T 510 0 63.7M 0
test 40.0G 1.77T 499 0 62.4M 0
test 40.0G 1.77T 477 0 59.7M 0
test 40.0G 1.77T 522 0 65.3M 0
test 40.0G 1.77T 547 0 68.4M 0
test 40.0G 1.77T 573 0 71.7M 0
test 40.0G 1.77T 561 0 70.2M 0
test 40.0G 1.77T 579 0 72.4M 0
test 40.0G 1.77T 563 0 70.4M 0
test 40.0G 1.77T 570 0 71.3M 0
test 40.0G 1.77T 579 0 72.4M 0
test 40.0G 1.77T 577 0 72.2M 0
test 40.0G 1.77T 568 0 71.0M 0
test 40.0G 1.77T 554 0 69.3M 0
test 40.0G 1.77T 565 0 70.7M 0
test 40.0G 1.77T 576 0 72.0M 0
test 40.0G 1.77T 556 0 69.5M 0
test 40.0G 1.77T 587 0 73.4M 0
test 40.0G 1.77T 550 0 68.8M 0
test 40.0G 1.77T 548 0 68.4M 0
test 40.0G 1.77T 575 0 71.9M 0
test 40.0G 1.77T 581 0 72.7M 0
test 40.0G 1.77T 582 0 72.8M 0
test 40.0G 1.77T 565 0 70.7M 0
test 40.0G 1.77T 563 0 70.4M 0
test 40.0G 1.77T 541 0 67.7M 0
test 40.0G 1.77T 575 0 71.9M 0
test 40.0G 1.77T 564 0 70.5M 0
test 40.0G 1.77T 586 0 73.3M 0
test 40.0G 1.77T 569 0 71.2M 0
test 40.0G 1.77T 555 0 69.4M 0
test 40.0G 1.77T 568 0 71.0M 0
test 40.0G 1.77T 581 0 72.6M 0
test 40.0G 1.77T 567 0 70.9M 0
test 40.0G 1.77T 560 0 70.0M 0
test 40.0G 1.77T 552 0 69.1M 0
test 40.0G 1.77T 573 0 71.5M 0
test 40.0G 1.77T 585 0 73.1M 0
test 40.0G 1.77T 577 0 72.2M 0
test 40.0G 1.77T 573 0 71.7M 0
test 40.0G 1.77T 565 0 70.7M 0
test 40.0G 1.77T 558 0 69.8M 0
test 40.0G 1.77T 561 0 70.2M 0
test 40.0G 1.77T 554 0 69.3M 0
test 40.0G 1.77T 569 0 71.2M 0
test 40.0G 1.77T 581 0 72.6M 0
test 40.0G 1.77T 560 0 70.1M 0
test 40.0G 1.77T 589 0 73.6M 0
test 40.0G 1.77T 557 0 69.7M 0
test 40.0G 1.77T 589 0 73.6M 0
test 40.0G 1.77T 564 0 70.5M 0
test 40.0G 1.77T 556 0 69.6M 0
test 40.0G 1.77T 553 0 69.2M 0
test 40.0G 1.77T 573 0 71.7M 0
test 40.0G 1.77T 569 0 71.2M 0
test 40.0G 1.77T 562 0 70.3M 0
test 40.0G 1.77T 547 0 68.4M 0
test 40.0G 1.77T 563 0 70.4M 0
test 40.0G 1.77T 547 0 68.4M 0
test 40.0G 1.77T 580 0 72.5M 0
test 40.0G 1.77T 556 0 69.6M 0
test 40.0G 1.77T 566 0 70.8M 0
test 40.0G 1.77T 583 0 72.9M 0
test 40.0G 1.77T 568 0 71.0M 0
test 40.0G 1.77T 578 0 72.3M 0
test 40.0G 1.77T 567 0 70.9M 0
test 40.0G 1.77T 591 0 73.9M 0
test 40.0G 1.77T 566 0 70.8M 0
test 40.0G 1.77T 576 0 72.0M 0
test 40.0G 1.77T 570 0 71.3M 0
test 40.0G 1.77T 566 0 70.8M 0
test 40.0G 1.77T 560 0 70.0M 0
test 40.0G 1.77T 575 0 71.9M 0
test 40.0G 1.77T 577 0 72.2M 0
test 40.0G 1.77T 560 0 70.0M 0
test 40.0G 1.77T 545 0 68.2M 0
test 40.0G 1.77T 575 0 71.8M 0
test 40.0G 1.77T 543 0 67.9M 0
test 40.0G 1.77T 578 0 72.3M 0
test 40.0G 1.77T 553 0 69.1M 0
test 40.0G 1.77T 587 0 73.3M 0
test 40.0G 1.77T 566 0 70.8M 0
test 40.0G 1.77T 546 0 68.3M 0
test 40.0G 1.77T 552 0 69.1M 0
test 40.0G 1.77T 556 0 69.6M 0
test 40.0G 1.77T 544 0 68.1M 0
test 40.0G 1.77T 572 0 71.5M 0
test 40.0G 1.77T 566 0 70.8M 0
test 40.0G 1.77T 580 0 72.5M 0
test 40.0G 1.77T 549 0 68.7M 0
test 40.0G 1.77T 571 0 71.4M 0
test 40.0G 1.77T 552 0 69.1M 0
test 40.0G 1.77T 551 0 68.9M 0
test 40.0G 1.77T 560 0 70.0M 0
test 40.0G 1.77T 551 0 68.9M 0
test 40.0G 1.77T 534 0 66.8M 0
test 40.0G 1.77T 573 0 71.7M 0
test 40.0G 1.77T 528 0 66.1M 0
test 40.0G 1.77T 554 0 69.3M 0
test 40.0G 1.77T 558 0 69.8M 0
test 40.0G 1.77T 552 0 69.1M 0
test 40.0G 1.77T 542 0 67.8M 0
test 40.0G 1.77T 545 0 68.2M 0
test 40.0G 1.77T 553 0 69.2M 0
test 40.0G 1.77T 556 0 69.6M 0
test 40.0G 1.77T 159 0 19.9M 0