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OpenZFS on Linux and FreeBSD
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Alexander Motin 786abf5321 Reduce number of arc_prune threads 
On FreeBSD vnode reclamation is single-threaded, protected by single
global lock.  Linux seems to be able to use a thread per mount point,
but at this time it creates more harm than good.

Reduce number of threads to 1, adding tunable in case somebody wants
to try more.

Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Chris Dunlop <chris@onthe.net.au>
Reviewed-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Signed-off-by: Alexander Motin <mav@FreeBSD.org>
Closes #12896
Issue #9966
 		2022-02-03 15:28:01 -08:00
.github Update `checkstyle` workflow env to ubuntu-20.04 2021-12-08 13:27:56 -08:00
cmd Update `checkstyle` workflow env to ubuntu-20.04 2021-12-08 13:27:56 -08:00
config Linux 5.16: The blk-cgroup.h header is where struct blkcg_gq is defined 2021-12-07 13:14:23 -08:00
contrib Fix plymouth passphrase prompt with dracut 2021-06-29 13:14:49 -07:00
etc systemd: import: expand $ZPOOL_IMPORT_OPTS correctly 2021-06-15 16:56:53 -07:00
include FreeBSD: Provide correct file generation number 2022-02-03 15:28:01 -08:00
lib Upgrade to libabigail 2.0.0 2021-11-05 07:59:40 -07:00
man Reduce number of arc_prune threads 2022-02-03 15:28:01 -08:00
module Reduce number of arc_prune threads 2022-02-03 15:28:01 -08:00
rpm zfs-dkms rpm: Fix scriptlets dependencies 2021-12-13 13:23:48 -08:00
scripts Update `checkstyle` workflow env to ubuntu-20.04 2021-12-08 13:27:56 -08:00
tests ZTS: import_rewind_device_replaced reliably fails 2021-12-08 13:28:09 -08:00
udev Udev rules: use match (==) rather than assign (=) for PROGRAM 2021-09-14 12:23:10 -07:00
.editorconfig Add an .editorconfig; document git whitespace settings 2020-01-27 13:32:52 -08:00
.gitignore Add FreeBSD support to OpenZFS 2020-04-14 11:36:28 -07:00
.gitmodules .gitmodules: link to openzfs github repository 2021-04-14 13:23:08 -07:00
AUTHORS Add zstd support to zfs 2020-08-20 10:30:06 -07:00
CODE_OF_CONDUCT.md Replace ZFS on Linux references with OpenZFS 2020-10-08 20:10:13 -07:00
COPYRIGHT Fix typos 2020-06-09 21:24:09 -07:00
LICENSE Update build system and packaging 2018-05-29 16:00:33 -07:00
META Tag zfs-2.1.2 2021-12-13 15:00:39 -08:00
Makefile.am Upgrade to libabigail 2.0.0 2021-11-05 07:59:40 -07:00
NEWS Fix NEWS file 2020-08-26 21:44:41 -07:00
NOTICE Update build system and packaging 2018-05-29 16:00:33 -07:00
README.md Update FreeBSD versions 2021-03-16 15:03:28 -07:00
RELEASES.md Add RELEASES.md file 2021-04-07 13:26:58 -07:00
TEST Remove CI builder customization from TEST 2020-03-16 10:46:03 -07:00
autogen.sh Cause autogen.sh to fail if autoreconf fails 2018-07-06 09:27:37 -07:00
configure.ac Fix lseek(SEEK_DATA/SEEK_HOLE) mmap consistency 2021-11-05 08:08:55 -07:00
copy-builtin copy-builtin: posix conformance 2021-05-10 12:18:54 -07:00
zfs.release.in Move zfs.release generation to configure step 2012-07-12 12:22:51 -07:00

README.md

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OpenZFS is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the OpenZFS community. This repository contains the code for running OpenZFS on Linux and FreeBSD.

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Official Resources

Installation

Full documentation for installing OpenZFS on your favorite operating system can be found at the Getting Started Page.

Contribute & Develop

We have a separate document with contribution guidelines.

We have a Code of Conduct.

Release

OpenZFS is released under a CDDL license. For more details see the NOTICE, LICENSE and COPYRIGHT files; UCRL-CODE-235197

Supported Kernels

  • The META file contains the officially recognized supported Linux kernel versions.
  • Supported FreeBSD versions are any supported branches and releases starting from 12.2-RELEASE.