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Poor Disk Performance

Brendan Gregg

An average of 434 ms is awful, and a small queue size (aqu-sz) indicates it's a problem with the disk and not the workload applied. The way it tried faster speeds somehow reminded me of how 32x CDROM drives operated. ## Screenshots Back to my opening line: The following screenshots may help you better understand these tool outputs.

article thumbnail

Poor Disk Performance

Brendan Gregg

An average of 434 ms is awful, and a small queue size (aqu-sz) indicates it's a problem with the disk and not the workload applied. The way it tried faster speeds somehow reminded me of how 32x CDROM drives operated. ## Screenshots Back to my opening line: The following screenshots may help you better understand these tool outputs.

article thumbnail

Poor Disk Performance

Brendan Gregg

An average of 434 ms is awful, and a small queue size (aqu-sz) indicates it's a problem with the disk and not the workload applied. The way it tried faster speeds somehow reminded me of how 32x CDROM drives operated. ## Screenshots Back to my opening line: The following screenshots may help you better understand these tool outputs.