Unverified50% confidenceSolutionExact time
On Btrfs, CoW can be disabled for database files using chattr +C; on ZFS, reducing the recordsize to align with the database page size (e.g., the 8KB commonly used by PostgreSQL) can mitigate write amplification.
1
Sources
50%
Confidence
Long-term
Relevance
9/20/2026
First Seen
Sources
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