Disk performance testing is essential for understanding your storage capabilities. Tools like fio and IOPing help you evaluate IOPS, latency, and throughput. Let's explore how to use these tools effectively.
Installation Commands: To begin testing, install both fio and IOPing
– --rw=read: Sets the read-only test. – --bs=4k: Uses a 4k block size. – --numjobs=4: Runs 4 threads.
Random Access Example: To test random reads and writes, use the following command: – --rw=randrw: Mix of random reads and writes. – Provides a good representation of real-world scenarios.
IOPing for Latency Tests: IOPing works like ping, but for storage. To measure latency, run: ioping -c 10 /path/to/disk
Analyzing Results: – fio: Look for IOPS, bandwidth, and latency metrics. – IOPing: Focus on average and maximum latency values.
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