5dce0384 | 15-Feb-2021 |
Martin Matuska <mm@FreeBSD.org> |
zfs: Avoid updating the L2ARC device header unnecessarily
From openzfs-master 0ae184a6b commit message: If we do not write any buffers to the cache device and the evict hand has not advanced do
zfs: Avoid updating the L2ARC device header unnecessarily
From openzfs-master 0ae184a6b commit message: If we do not write any buffers to the cache device and the evict hand has not advanced do not update the cache device header.
Cherry-picked from openzfs 0ae184a6baaf71e155e9b19af81b75474622ff58 Patch Author: George Amanakis <gamanakis@gmail.com>
MFC after: 3 days Reviewed by: delphij Differential Revision: https://reviews.freebsd.org/D28682
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4426311a | 10-Nov-2020 |
Mateusz Guzik <mjg@FreeBSD.org> |
zfs: combine zio caches if possible
This deduplicates 2 sets of caches using the same sizes.
Memory savings fluctuate a lot, one sample result is buildworld on zfs saving ~180MB RAM in reduced page
zfs: combine zio caches if possible
This deduplicates 2 sets of caches using the same sizes.
Memory savings fluctuate a lot, one sample result is buildworld on zfs saving ~180MB RAM in reduced page count associated with zio caches.
show more ...
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