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cbd8f5b759
Move db_link into the same cache line as db_blkid and db_level. It allows significantly reduce avl_add() time in dbuf_create() on systems with large RAM and huge number of dbufs per dnode. Avoid few accesses to dbuf_caches[].size, which is highly congested under high IOPS and never stays in cache for a long time. Use local value we are receiving from zfs_refcount_add_many() any way. Remove cache_size_bytes_max bump from dbuf_evict_one(). I don't see a point to do it on dbuf eviction after we done it on insertion in dbuf_rele_and_unlock(). Reviewed-by: Matt Ahrens <matt@delphix.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Alexander Motin <mav@FreeBSD.org> Sponsored-By: iXsystems, Inc. Closes #9931 |
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ZFS on Linux is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the OpenZFS community.
Official Resources
Installation
Full documentation for installing ZoL on your favorite Linux distribution can be found at our site.
Contribute & Develop
We have a separate document with contribution guidelines.
Release
ZFS on Linux 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 kernel versions.