Thank you for your idea.
I realize that the number of SSD is important as well as the capacity of SSD
for block.wal.
> Naturally the best solution is to not use HDDs at all ;)
You are right! :)
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To
> Hi everyone,
>
> I saw the bluestore can separate block.db, block.wal.
> In my case, I'd like to apply hybrid device which uses SSD, HDD to improve
> the small data write performance.
> but I don't have enough SSD to cover block.db and block.wal.
> so I think it can impact performance even
