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797f55ef12
In the zfs_id_over*quota functions, there is a short-circuit to skip the zap_lookup when the quota zap does not exist. If quotas are never used in a zpool, then the quota zap will never exist. But if user/group/project quotas are ever used, the zap objects will be created and will persist even if the quotas are deleted. The quota zap_lookup in the write path can become a bottleneck for write-heavy small I/O workloads. Before this commit, it was not possible to remove this lookup without creating a new zpool. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Sam Atkinson <samatk@amazon.com> Closes #14721 |
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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 12.2-RELEASE.