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Sunday, July 23, 2017

Some ZFS speed tests

Introduction

I just got my first new desktop in long enough that it's the first one with SSDs. Those were large enough that I had a lot of space for level 2 archive replacement cache (L2ARC) for the spinning data drives. It also had an M2 slot, so I could add a small device as a separate intent log (SLOG), neither of which I had used before. Finally, I'm moving to a new operating system (Ubuntu from FreeBSD), so it seemed like a good time to do some disk benchmarks.