zfs/man/man8/zpool-prefetch.8

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.Dd February 14, 2024
.Dt ZPOOL-PREFETCH 8
.Os
.
.Sh NAME
.Nm zpool-prefetch
.Nd Loads specific types of data for the given pool
.Sh SYNOPSIS
.Nm zpool
.Cm prefetch
.Fl t Ar type
.Ar pool
.Sh DESCRIPTION
.Bl -tag -width Ds
.It Xo
.Nm zpool
.Cm prefetch
.Fl t Li ddt
.Ar pool
.Xc
Prefetch data of a specific type for the given pool; specifically the DDT,
which will improve write I/O performance when the DDT is resident in the ARC.
.El