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Sebastian Gottschall 8a171ccd92
do a cyclic seek for unused memory objects in pool
In non regular use cases allocated memory might stay persistent in memory
pool. This small patch checks every minute if there are old objects which
can be released from memory pool.

Right now with regular use, the pool is checked for old objects on each
allocation attempt from this pool. so basically polling by its use. Now
consider what happens if someone writes a lot of files and stops use of
the volume or even unmounts it. So the code will no longer check if
objects can be released from the pool. Already allocated objects will
still stay in pool cache. this is no big issue for common use. But
someone discovered this issue while doing tests. personally i know this
behavior and I'm aware of it. Its no big issue. just a enhancement

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Kjeld Schouten-Lebbing <kjeld@schouten-lebbing.nl>
Signed-off-by: Sebastian Gottschall <s.gottschall@dd-wrt.com>
Closes #10938 
Closes #10969
2020-09-30 13:22:34 -07:00
.github Document branching structure 2020-09-28 13:23:49 -07:00
cmd zfs userspace: use zfs_path_to_zhandle so argument can be a path 2020-09-25 14:37:10 -07:00
config Fix CONFIG_DEBUG_LOCK_ALLOC configure check 2020-09-28 16:42:54 -07:00
contrib Add intel_QAT patches 2020-09-30 13:17:30 -07:00
etc Fix another dependency loop 2020-08-28 10:17:14 -07:00
include do a cyclic seek for unused memory objects in pool 2020-09-30 13:22:34 -07:00
lib zpool command complains about /etc/exports.d 2020-09-25 13:09:40 -07:00
man Note that keys must be loaded for 'zpool remove' 2020-09-28 16:11:57 -07:00
module do a cyclic seek for unused memory objects in pool 2020-09-30 13:22:34 -07:00
rpm zfs label bootenv should store data as nvlist 2020-09-15 15:42:27 -07:00
scripts Update issue templates, commitcheck and Contributing.md 2020-09-23 09:53:26 -07:00
tests Drop references when skipping dmu_send due to EXDEV 2020-09-30 13:19:49 -07:00
udev Centralize variable substitution 2020-07-14 17:33:44 -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 Add zimport.sh compatibility test script 2014-02-21 12:10:31 -08:00
AUTHORS Add zstd support to zfs 2020-08-20 10:30:06 -07:00
autogen.sh Cause autogen.sh to fail if autoreconf fails 2018-07-06 09:27:37 -07:00
CODE_OF_CONDUCT.md Add CODE_OF_CONDUCT.md 2019-04-30 10:58:45 -07:00
configure.ac Drop references when skipping dmu_send due to EXDEV 2020-09-30 13:19:49 -07:00
copy-builtin Move zfs_gitrev.h to build directory 2020-06-24 18:19:28 -07:00
COPYRIGHT Fix typos 2020-06-09 21:24:09 -07:00
cppcheck-suppressions.txt Import ZStandard v1.4.5 2020-08-20 10:30:06 -07:00
LICENSE Update build system and packaging 2018-05-29 16:00:33 -07:00
Makefile.am Silence 'make checkbashisms' 2020-08-20 13:45:47 -07:00
META Tag 2.0.0-rc1 2020-08-25 13:11:25 -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 wiki links with new address 2020-06-03 19:46:31 -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 Linux distribution can be found at the ZoL Site.

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 12-STABLE and 13-CURRENT.