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c1e51c55f5
Currently, after a failed allocation, the metaslab code recalculates the weight for a metaslab. However, for space-based metaslabs, it uses the maximum free segment size instead of the normal weighting algorithm. This is presumably because the normal metaslab weight is (roughly) intended to estimate the size of the largest free segment, but it doesn't do that reliably at most fragmentation levels. This means that recalculated metaslabs are forced to a weight that isn't really using the same units as the rest of them, resulting in undesirable behaviors. We switch this to use the normal space-weighting function. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Alexander Motin <mav@FreeBSD.org> Signed-off-by: Paul Dagnelie <paul.dagnelie@klarasystems.com> Sponsored-by: Wasabi Technology, Inc. Sponsored-by: Klara, Inc. Closes #17531 |
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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.