DownloadBlock level test/exerciser utility for Linux to produce synthetic random/sequential IO patterns
Features
- Supports multiple files/block devices
- Supports sync, direct, aio, and sg
- Supports SSDs (Trim)
- Generates Dedup and compression aware patterns
- Data verification
- Hiccups discovery, latency histograms
- Supports subtotal and differential reports, CSV reports
License
Public DomainFollow btest
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User Reviews
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I'm really impressed with btest. I've been doing a lot of disk testing with iozone, and iometer lately... and they all have their problems. btest, on the other hand, seems very full-featured, thoughtfully designed, and well documented. I especially appreciate how it allows you to control the dedup and compression ratios, for testing modern storage devices. This is probably my new favorite tool for doing I/O benchmarking on Linux hosts.