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47 lines
1.3 KiB
Groff
47 lines
1.3 KiB
Groff
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.\"
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.\" CDDL HEADER START
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.\"
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.\" The contents of this file are subject to the terms of the
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.\" Common Development and Distribution License (the "License").
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.\" You may not use this file except in compliance with the License.
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.\"
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.\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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.\" or http://www.opensolaris.org/os/licensing.
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.\" See the License for the specific language governing permissions
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.\" and limitations under the License.
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.\"
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.\" When distributing Covered Code, include this CDDL HEADER in each
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.\" file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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.\" If applicable, add the following below this CDDL HEADER, with the
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.\" fields enclosed by brackets "[]" replaced with your own identifying
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.\" information: Portions Copyright [yyyy] [name of copyright owner]
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.\"
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.\" CDDL HEADER END
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.\"
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.\"
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.\" Copyright (c) 2023, Klara Inc.
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.\"
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.Dd February 14, 2024
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.Dt ZPOOL-PREFETCH 8
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.Os
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.
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.Sh NAME
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.Nm zpool-prefetch
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.Nd Loads specific types of data for the given pool
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.Sh SYNOPSIS
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.Nm zpool
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.Cm prefetch
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.Fl t Ar type
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.Ar pool
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.Sh DESCRIPTION
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.Bl -tag -width Ds
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.It Xo
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.Nm zpool
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.Cm prefetch
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.Fl t Li ddt
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.Ar pool
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.Xc
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Prefetch data of a specific type for the given pool; specifically the DDT,
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which will improve write I/O performance when the DDT is resident in the ARC.
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.El
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