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Alexander Motin
35da345160
PR #15457 exposed weird logic in L2ARC write sizing. If it appeared bigger than device size, instead of liming write it reset all the system-wide tunables to their default. Aside of being excessive, it did not actually help with the problem, still allowing infinite loop to happen. This patch removes the tunables reverting logic, but instead limits L2ARC writes (or at least eviction/trim) to 1/4 of the capacity. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: George Amanakis <gamanakis@gmail.com> Signed-off-by: Alexander Motin <mav@FreeBSD.org> Sponsored by: iXsystems, Inc. Closes #15519
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 12.2-RELEASE.