Storage basics: IOPS, Latency, Throughput, Queue Depth

https://www.brentozar.com/archive/2013/09/iops-are-a-scam/

https://blog.docbert.org/queue-depth-iops-and-latency/

Queue Depth is the number of I/O requests (SCSI commands) that can be queued at one time on a storage controller. Each I/O request from the host’s initiator HBA to the storage controller’s target adapter consumes a queue entry. Typically, a higher queue depth equates to better performance.

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s