{"slug": "bcachefs", "name": "bcachefs", "category": "other", "category_name": "Other software", "description": "", "recommenders": 1, "commenters": 2, "warners": 0, "score": 1.166, "rising": 1.0, "first": "2026-09-15", "latest": "2026-09-20", "why": "", "why_is_quote": false, "has_verdict": false, "sentiment": {"recommend": 1, "neutral": 0, "compare": 1, "warn": 0}, "spark": [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0], "listed": false, "loved": [], "caveat": "", "short_quote": "", "icon": false, "domain": null, "github_repo": null, "official_url": "", "pricing": "", "aliases": ["bcachefs"], "verdict": null, "praise": [{"label": "", "summary": "", "quotes": [{"id": 795468608, "item_id": 49716788, "url": "https://news.ycombinator.com/item?id=49716788", "by": "sellmesoap", "date": "2026-09-15", "stance": "recommend", "quote": "I daily drive bcachefs (it's been great!)", "excerpt": "I never dug into the failure, but I once had a ZFS get to a state where it would crash the kernel on mount, I was able to mount it with checks turned off an recover what was important, but it was a spooky experience. I live on the bleeding edge of file systems for my desktop, I was on reiser4 back when that was fresh, I daily drive bcachefs (it's been great!) Mostly I've been lucky, I don't usually keep an openbsd sy", "context": "lives on the bleeding edge of file systems", "use_case": "desktop filesystem", "switched_from": "", "story": "GEFS on OpenBSD: A Early Preview"}]}], "caveats": [], "who": [{"by": "sellmesoap", "context": "lives on the bleeding edge of file systems", "url": "https://news.ycombinator.com/item?id=49716788", "date": "2026-09-15"}], "tags": [], "use_cases": ["desktop filesystem"], "compared": [{"slug": "zfs", "name": "ZFS", "co": 5, "switched_from": 0, "switched_to": 0}, {"slug": "btrfs", "name": "Btrfs", "co": 2, "switched_from": 0, "switched_to": 0}], "makers": [{"id": 795050880, "item_id": 49690680, "url": "https://news.ycombinator.com/item?id=49690680", "by": "eru", "date": "2026-09-14", "stance": "neutral", "quote": "I'm working on making bcachefs useful when you mix both SSD and HDD in one filesystem.", "excerpt": "I'm working on making bcachefs useful when you mix both SSD and HDD in one filesystem. At the moment, even if you set up SSD for foreground operations and HDD only for background, more often then not, your write latencies are those of the HDD. We can do better. See https://paquari.com/posts/bcachefs-ssd-hdd-progress/ for a progress report. (Disclosure: the write-up is an AI summary of my notes, so don't expect any br", "context": "", "use_case": "mixed SSD/HDD filesystem", "switched_from": "", "story": "Ask HN: What are you working on? (September 2026)"}], "threads": [{"url": "https://news.ycombinator.com/item?id=49768833", "title": "Btrfs/ZFS/bcachefs under workloads classic benchmarks skip", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=49715590", "title": "GEFS on OpenBSD: A Early Preview", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=49686380", "title": "Ask HN: What are you working on? (September 2026)", "mentions": 1}], "sentiment_by_month": {"2025-11": {}, "2025-12": {}, "2026-01": {}, "2026-02": {}, "2026-03": {}, "2026-04": {}, "2026-05": {}, "2026-06": {}, "2026-07": {}, "2026-08": {}, "2026-09": {"recommend": 1, "compare": 1}, "2026-10": {}}, "quotes": [{"id": 796364881, "item_id": 49772805, "url": "https://news.ycombinator.com/item?id=49772805", "by": "lukaslalinsky", "date": "2026-09-20", "stance": "compare", "quote": "Is bcachefs usable/stable/reliable enough to replace it?", "excerpt": "I've been using ZFS on my Linux servers for years and have pretty good experience with it. I've not been following Linux development too much. Is bcachefs usable/stable/reliable enough to replace it?", "context": "", "use_case": "", "switched_from": "", "story": "Btrfs/ZFS/bcachefs under workloads classic benchmarks skip"}, {"id": 795468608, "item_id": 49716788, "url": "https://news.ycombinator.com/item?id=49716788", "by": "sellmesoap", "date": "2026-09-15", "stance": "recommend", "quote": "I daily drive bcachefs (it's been great!)", "excerpt": "I never dug into the failure, but I once had a ZFS get to a state where it would crash the kernel on mount, I was able to mount it with checks turned off an recover what was important, but it was a spooky experience. I live on the bleeding edge of file systems for my desktop, I was on reiser4 back when that was fresh, I daily drive bcachefs (it's been great!) Mostly I've been lucky, I don't usually keep an openbsd sy", "context": "lives on the bleeding edge of file systems", "use_case": "desktop filesystem", "switched_from": "", "story": "GEFS on OpenBSD: A Early Preview"}]}