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77a797a382
`l2arc_mfuonly` was added to avoid wasting L2 ARC on read-once MRU data and metadata. However it can be useful to cache as much metadata as possible while, at the same time, restricting data cache to MFU buffers only. This patch allow for such behavior by setting `l2arc_mfuonly` to 2 (or higher). The list of possible values is the following: 0: cache both MRU and MFU for both data and metadata; 1: cache only MFU for both data and metadata; 2: cache both MRU and MFU for metadata, but only MFU for data. Reviewed-by: Alexander Motin <mav@FreeBSD.org> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Gionatan Danti <g.danti@assyoma.it> Closes #16343 Closes #16402 |
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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.
Official Resources
- Documentation - for using and developing this repo
- ZoL Site - Linux release info & links
- Mailing lists
- OpenZFS site - for conference videos and info on other platforms (illumos, OSX, Windows, etc)
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
METAfile contains the officially recognized supported Linux kernel versions. - Supported FreeBSD versions are any supported branches and releases starting from 13.0-RELEASE.