Published: (Updated: ) by . 1 Comment on Specifying Drive letters with fio for Windows..
fio on Windows Download pre-compiled fio binary for Windows Example fio windows file, single drive This will create a 1GB file called fiofile on the F:\ Drive in Windows then read the file. Notice that the specification is “Driveletter” “Backslash” “Colon” “Filename” In fio terms we are “escaping” the : which fio traditionally uses as […]
Published: (Updated: ) by . 1 Comment on Single threaded DB performance on Nutanix HCI.
tl;dr A Nutanix cluster can persist a replicated write across two nodes in around 250 uSec which is critical for single-threaded DB write workloads. The performance compares very well with hosted cloud database instances using the same class of processor (db.r5.4xlarge in the figure below). The metrics below are for SQL insert transactions not the […]
Published: (Updated: ) by . Leave a Comment on Microsoft diskspd Part 3. Oddities and FAQ.
Tips and tricks for using diskspd especially useful for those familar with tools like fio
Published: (Updated: ) by . Leave a Comment on Microsoft diskspd. Part 2 How to bypass NTFS Cache..
How to ensure performance testing with diskspd is stressing the underlying storage devices, not the OS filesystem.
Published: (Updated: ) by . Leave a Comment on Microsoft diskspd. Part 1 Preparing to test..
How to install and setup diskspd before starting your first performance tests and avoiding wrong results due to null byte issues.