---
name: "zpool-prefetch"
section: "8"
platform: "linux"
package: "zfsutils-linux"
version: "2.3.9-0+deb13u1"
release: "Debian 13 (Trixie)"
platforms: ["linux", "freebsd"]
url: "https://new.carta.tech/zpool-prefetch"
---

# zpool-prefetch(8)

Loads specific types of data for the given pool

## NAME

**zpool-prefetch** – Loads specific types of data for the given pool

## SYNOPSIS

**zpool** **prefetch** **-t** *type* *pool*

## DESCRIPTION

-

  **zpool** **prefetch** **-t** ddt *pool* 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.