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Brian Atkinson
187f931372
a10e552 updated abd_free_linear_page() to no longer call
abd_update_scatter_stat(). This meant that linear pages that were not
attached to Direct I/O requests were not doing waste accounting for the
ARC. This led to performance issues due to incorrect ARC accounting that
resulted in 100% of CPU time being spent in arc_evict() during prolonged
I/O workloads with the ARC.
The call to abd_update_scatter_stats() is now conditionally called in
abd_free_linear_page() when the ABD is not from a Direct I/O request.
Reviewed-by: Mark Maybee <mmaybee@delphix.com>
Reviewed-by: Tony Nguyen <tony.nguyen@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Signed-off-by: Brian Atkinson <batkinson@lanl.gov>
Closes #16729
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.