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Especially random IO on small files will be accelerated up to 200% using FastIO on Lise or IME on Emmy.
INTERNAL - not public - will be deleted
Recommendation Matrix:
Max performance gain on IO versus default $WORK in brackets.
...
FastIO stripe=4 (+200%) or
$WORK stripe=4-8 (+200%)
...
FastIO stripe=4 (+80%)
$WORK stripe=4-8 (+70%)
...
FastIO stripe=4 (+120%)
$WORK stripe=MAX (+90%)
...
FastIO stripe=4 (+200%) or
$WORK stripe=MAX (+150%)
...
FastIO stripe=4 (+100%)
FastIO (+50%)
Commands
Striping einrichten
mkdir <dirname>
lfs setstripe -c <count> <
dirname
>
DoM einrichten
mkdir <dirname>
lfs setstripe
-E 64K -L mdt -E -1 -p work.rotational <
dirname
>
FastIO einrichten
mkdir <dirname>
lfs setstripe -p flash <
dirname
>
Fastio mit Striping 4 einrichten:
mkdir <dirname>
lfs setstripe -p flash -c 4 <
dirname
>
Prüfen
lfs getstripe <dirname>
Vorschlag Ankündigung
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