CCSIO Benchmark measures maximum sequential read/write speed that is realistically achievable for a given file system location, including local drives, remote network shares, virtual/pseudo devices such as RAM disks and encrypted file containers.
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What is Cold-cache Sequential I/O Benchmark?
CCSIO Bench measures the maximum possible read/write speed for a given file system location, including local volumes, virtual drives and remote shares. In plain terms, it measures how fast one can possibly read/write very large files from/to specified location.
Benchmark goes through several hundred test variations and it automatically finds the best combination of IO parameters that delivers highest bulk throughput rate. Unlike physical disk benchmarks, CCSIO Benchmark accounts for any bottlenecks and penalties introduced by the software layers that lie between a physical device and the software doing the I/O. As such it estimates read/write rates as experienced by the actual software.