I was surprised to see an email on this list a couple of days ago, which said that write performance would actually fall with BlueStore. I thought the reason BlueStore existed was to increase performance. Nevertheless, it seems like filestore is going away and everyone should upgrade.
My question is: I have SSDs for filestore journals, for spinning OSDs. When upgrading to BlueStore, am I better of using the SSDs for wal/db, or am I better of keeping everything (dat, wall, db) on the spinning disks (from a performance perspective)?
Thanks
R
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