Sujet : Re: Move bookworm system from SSD to NVME
De : ldo (at) *nospam* nz.invalid (Lawrence D'Oliveiro)
Groupes : comp.sys.raspberry-piDate : 04. Aug 2024, 05:22:09
Autres entêtes
Organisation : A noiseless patient Spider
Message-ID : <v8mvlh$3t1j0$4@dont-email.me>
References : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
User-Agent : Pan/0.159 (Vovchansk; )
On Sat, 03 Aug 2024 19:51:15 +0100, Richard Kettlewell wrote:
The alternative is absurdly slow write IO.
Caches cannot increase overall transfer bandwidth, they can only reduce
latency. Which we don’t care about, because OS filesystem cache flushing
is a batch-type operation anyway.
Which is why having these drives lie about when their writes have
completed is such a dumb idea.