Unverified50% confidenceFactExact time

ZFS's ARC defaults to occupying approximately half of system memory and can be manually limited via the zfs_arc_max parameter.

1

Sources

50%

Confidence

Long-term

Relevance

9/28/2026

First Seen

Sources

Should You Use ZFS on a Home Server with Limited RAM? The Truth About Memory Requirements

Related Entities

ZFStechnology ARCconcept zfs_arc_maxconcept

Related Claims

UnverifiedZFS's ARC (Adaptive Replacement Cache) by default dynamically occupies a large proportion of available system memory and must be manually limited in memory-constrained environments.76% similar

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