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ZPOOL-PREFETCH(8)	    System Manager's Manual	     ZPOOL-PREFETCH(8)

NAME
       zpool-prefetch -- Prefetches pool metadata into ARC

SYNOPSIS
       zpool prefetch [-t type]	pool

DESCRIPTION
       Massively  prefetch metadata of a specific type for the given pool into
       the ARC to reduce latency of some operations  later.   If  no  type  is
       specified, all types are	prefetched.

       The following types are supported:

       brt  Prefetch  the  BRT (block reference	table).	 This may improve per-
	    formance for block	cloning	 operations,  and  frees  for  earlier
	    cloned blocks.

       ddt  Prefetch  the DDT (deduplication table).  This may improve perfor-
	    mance of writes when deduplication is enabled, and frees for  ear-
	    lier deduplicated blocks.

FreeBSD	ports 15.quarterly     February	14, 2024	     ZPOOL-PREFETCH(8)

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<https://man.freebsd.org/cgi/man.cgi?query=zpool-prefetch&sektion=8&manpath=FreeBSD+Ports+15.1.quarterly>

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