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OpenZFS on Linux and FreeBSD
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Alexander Motin 6ff89fe126 Improve sorted scan memory accounting 
Since we use two B-trees q_exts_by_size and q_exts_by_addr, we should
count 2x sizeof (range_seg_gap_t) per node.  And since average B-tree
memory efficiency is about 75%, we should increase it to 3x.

Previous code under-counted up to 30% of the memory usage.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Alexander Motin <mav@FreeBSD.org>
Sponsored-By: iXsystems, Inc.
Closes #13537
 		2022-06-15 11:23:49 -07:00
.github libzfs: add keylocation=https://, backed by fetch(3) or libcurl 2022-02-16 17:58:37 -08:00
cmd zed: support subject as header in zed_notify_email() 2022-05-27 09:19:37 -07:00
config autoconf: AC_MSG_CHECKING consistency 2022-06-01 14:24:49 -07:00
contrib Multiple dracut module install script cleanups 2022-05-25 11:09:23 -07:00
etc automake: don't install /e/d/zfs or /e/z/zfs-functions +x 2022-05-25 14:57:09 -07:00
include Linux 5.19 compat: asm/fpu/internal.h 2022-06-01 14:24:49 -07:00
lib libzfs: Fail making a dataset handle gracefully 2022-06-06 16:57:51 -07:00
man man: zpool-import.8: -d -or -c 2022-05-10 13:36:37 -07:00
module Improve sorted scan memory accounting 2022-06-15 11:23:49 -07:00
rpm Standardize RHEL version check in packages 2022-05-27 09:19:37 -07:00
scripts Remove REMAKE_INITRD 2022-05-06 11:32:45 -07:00
tests Corrected oversight in ZERO_RANGE behavior 2022-04-21 16:58:07 -07:00
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 Linux 5.18 compat: META 2022-06-01 14:24:49 -07:00
Makefile.am module: zstd: check we don't leak symbols; regenerate symbol map 2022-05-16 15:48:21 -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 README: Update OpenZFS website url 2022-02-16 17:58:55 -08:00
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 Linux 5.16 compat: don't use XSTATE_XSAVE to save FPU state 2022-02-16 17:58:55 -08:00
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.