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Alexander Motin
2428043709
Previous code effectively enforced that all async free ZIOs were _issued_ within the TXG timeout. But they could take forever to complete, especially if the required metadata were not in ARC. This patch introduces periodic waits every 2000 ZIOs, which should give at least somewhat reasonable TXG timings even for single HDD pools with empty ARC. And makes them complete within half of the TXG timeout, since we might still need time to sync DDT and BRT. While there, change zfs_max_async_dedup_frees semantics to include also clone and gang blocks, which are similar. Bump the default value from set long ago to be more forgiving to block cloning (still not having logs and benefiting from large TXGs), now that we have better working time limits. The limit now is a possible amount of dirty data produced by BRT updates. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Allan Jude <allan@klarasystems.com> Signed-off-by: Alexander Motin <alexander.motin@TrueNAS.com> Closes #18043
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.