1.\" 2.\" CDDL HEADER START 3.\" 4.\" The contents of this file are subject to the terms of the 5.\" Common Development and Distribution License (the "License"). 6.\" You may not use this file except in compliance with the License. 7.\" 8.\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9.\" or http://www.opensolaris.org/os/licensing. 10.\" See the License for the specific language governing permissions 11.\" and limitations under the License. 12.\" 13.\" When distributing Covered Code, include this CDDL HEADER in each 14.\" file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15.\" If applicable, add the following below this CDDL HEADER, with the 16.\" fields enclosed by brackets "[]" replaced with your own identifying 17.\" information: Portions Copyright [yyyy] [name of copyright owner] 18.\" 19.\" CDDL HEADER END 20.\" 21.\" 22.\" Copyright (c) 2024, Klara Inc. 23.\" 24.Dd June 17, 2024 25.Dt ZPOOL-DDTPRUNE 8 26.Os 27. 28.Sh NAME 29.Nm zpool-ddtprune 30.Nd Prunes the oldest entries from the single reference dedup table(s) 31.Sh SYNOPSIS 32.Nm zpool 33.Cm ddtprune 34.Fl d Ar days | Fl p Ar percentage 35.Ar pool 36.Sh DESCRIPTION 37This command prunes older unique entries from the dedup table. 38As a complement to the dedup quota feature, 39.Sy ddtprune 40allows removal of older non-duplicate entries to make room for 41newer duplicate entries. 42.Pp 43The amount to prune can be based on a target percentage of the unique entries 44or based on the age (i.e., every unique entry older than N days). 45. 46.Sh SEE ALSO 47.Xr zdb 8 , 48.Xr zpool-status 8 49