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Alexander Motin 5b9f3b7664
Soften pruning threshold on not evictable metadata
Previous code pruned 10% of dnodes once 3/4 of metadata appeared
unevictable.  On workloads with many millions of dnodes and little
other metadata it creates significant load spikes for many seconds
straight.  This change instead gradually increases pruning as
unevictable metadata grow above the 3/4, which may allow it to
stabilize at some level.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by:	Alexander Motin <mav@FreeBSD.org>
Sponsored by:	iXsystems, Inc.
Closes #16401
2024-08-08 15:26:35 -07:00
.github Move nodes into correct subgraphs 2024-01-29 09:16:02 -08:00
cmd JSON: Fix class values for mirrored special vdevs 2024-08-06 12:47:58 -07:00
config Use kmap_local_page instead of kmap_atomic (#16329) 2024-07-16 17:27:29 -07:00
contrib contrib: link zpool to zfs in bash-completion (#16376) 2024-08-05 09:44:10 -07:00
etc etc/init.d: decide which variant to use at build time. 2024-04-08 16:52:24 -07:00
include libzfs.h: Set ZFS_MAXPROPLEN and ZPOOL_MAXPROPLEN to ZAP_MAXVALUELEN 2024-08-08 15:23:40 -07:00
lib Fix memory corruption during parallel zpool import with -o cachefile (#16419) 2024-08-07 13:44:55 -07:00
man zpoolprops.7: Fix max length of name of user property 2024-08-08 15:23:33 -07:00
module Soften pruning threshold on not evictable metadata 2024-08-08 15:26:35 -07:00
rpm contrib: link zpool to zfs in bash-completion (#16376) 2024-08-05 09:44:10 -07:00
scripts disable automatic dependency tracking for dkms builds 2024-06-13 18:08:49 -07:00
tests libzfs.h: Set ZFS_MAXPROPLEN and ZPOOL_MAXPROPLEN to ZAP_MAXVALUELEN 2024-08-08 15:23:40 -07:00
udev udev: correctly handle partition #16 and later 2024-03-21 16:38:24 -07:00
.cirrus.yml CI: add FreeBSD build with Cirrus CI 2023-10-06 08:50:26 -07:00
.editorconfig Add an .editorconfig; document git whitespace settings 2020-01-27 13:32:52 -08:00
.gitignore Packaging: Auto-generate changelog during configure (#15528) 2023-11-16 08:58:47 -08:00
.gitmodules .gitmodules: link to openzfs github repository 2021-04-12 09:37:23 -07:00
.mailmap AUTHORS: refresh with recent new contributors (#16362) 2024-07-23 11:47:04 -07:00
AUTHORS AUTHORS: refresh with recent new contributors (#16362) 2024-07-23 11:47:04 -07:00
autogen.sh Ubuntu 22.04 integration: ShellCheck 2022-11-18 11:24:48 -08:00
CODE_OF_CONDUCT.md Documentation corrections 2022-12-22 11:34:28 -08:00
configure.ac Packaging: Auto-generate changelog during configure (#15528) 2023-11-16 08:58:47 -08:00
copy-builtin copy-builtin: add hooks with sed/>> 2022-05-10 10:17:43 -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
Makefile.am Process script directory for all configs 2022-10-27 16:45:14 -07:00
META Linux 6.9 compat: META (#16358) 2024-07-16 16:27:54 -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 FreeBSD: remove support for FreeBSD < 13.0-RELEASE (#16372) 2024-08-05 16:56:45 -07:00
RELEASES.md Add RELEASES.md file 2021-04-02 16:33:40 -07:00
TEST Remove CI builder customization from TEST 2020-03-16 10:46:03 -07:00
zfs.release.in Move zfs.release generation to configure step 2012-07-12 12:22:51 -07:00

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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 13.0-RELEASE.