> > FWIW, having encountered these long-startup issues many times in the
> > past on both HDD and QLC OSDs, I can pretty confidently say that
> > throwing flash at the problem doesn't make it go away. Fewer issues
> > with DB IOs contending with client IOs, but flapping can still occur
> > during PG cleaning on QLC, at least on Pacific.
>
> Interesting. Were these QLC OSDs collocated too? Or were they running DB on 
> QLCs and data on HDDs?

Collocated in each case (i.e. wal/db was alongside data)

Josh
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