SLOG benchmarking and finding the best SLOG

I'd like to take a few minutes to talk about SLOG devices and what makes good ones versus bad ones. I have no doubt that this will be a controversial topic since this is not well understood by many people. In short, there's 3 things that you need for a "great" SLOG:

1. Fast throughput
2. Long lifespan with regards to 100% write workloads
3. Fast cache flushes

SLOG workloads are a bit unique. So what goes into an SLOG?

Only sync writes will actually go to an SLOG. A sync write is a...

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