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9530eb64e0
Sponsored-by: https://despairlabs.com/sponsor/ Signed-off-by: Rob Norris <robn@despairlabs.com> Reviewed-by: Tony Hutter <hutter2@llnl.gov> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
50 lines
1.5 KiB
Groff
50 lines
1.5 KiB
Groff
.\" SPDX-License-Identifier: CDDL-1.0
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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) 2024, Klara Inc.
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.\"
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.Dd June 17, 2024
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.Dt ZPOOL-DDTPRUNE 8
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.Os
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.
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.Sh NAME
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.Nm zpool-ddtprune
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.Nd Prunes the oldest entries from the single reference dedup table(s)
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.Sh SYNOPSIS
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.Nm zpool
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.Cm ddtprune
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.Fl d Ar days | Fl p Ar percentage
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.Ar pool
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.Sh DESCRIPTION
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This command prunes older unique entries from the dedup table.
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As a complement to the dedup quota feature,
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.Sy ddtprune
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allows removal of older non-duplicate entries to make room for
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newer duplicate entries.
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.Pp
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The amount to prune can be based on a target percentage of the unique entries
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or based on the age (i.e., every unique entry older than N days).
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.
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.Sh SEE ALSO
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.Xr zdb 8 ,
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.Xr zpool-status 8
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