Btrfs filesystem write amplification compared to ext4 and xfs
Key claims
- Academic paper demonstrates btrfs has ~16x higher write amplification than ext4 or xfs.
- OP asks whether an unnamed filesystem is genuinely faster than ext4 or comparable to XFS and whether migration is worthwhile.
Volume over time
Peak 1 mentions/hour · 1 hourly buckets
Source threads (2)
Every thread this story was extracted from, with live and archive links so the evidence is verifiable.
- /g/109640736 ↗ live · archive curious evergreen OP asks whether an unnamed filesystem is genuinely faster than ext4 or comparable to XFS and whether migration is worthwhile.
- /g/109580997 ↗ live · archive alarmed breaking 5 replies Academic paper demonstrates btrfs has ~16x higher write amplification than ext4 or xfs.
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