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Start / LINUX Unplugged / 545 3062 days later
Kent Overstreet, the creator of bcachefs, helps us understand where his new filesystem fits, what it's like to upstream a new filesystem, and how they've solved the RAID write hole.
Special Guest: Kent Overstreet.
Sponsored By:
- Tailscale: Tailscale is a programmable networking software that is private and secure by default - get it free on up to 100 devices!
- Kolide: Kolide is a device trust solution for companies with Okta, and they ensure that if a device isn’t trusted and secure, it can’t log into your cloud apps.
Links:
- 💥 Gets Sats Quick and Easy with Strike
- 📻 LINUX Unplugged on Fountain.FM
- Boltz — Privacy First, Non-Custodial Bitcoin Exchange.
- bcachefs — bcachefs is an advanced new filesystem for Linux, with an emphasis on reliability and robustness and the complete set of features one would expect from a modern filesystem.
- bcachefs Erasure coding — Bcachefs takes advantage of the fact that it is already a copy-on-write filesystem. If we're designing our filesystem to avoid update-in-place, why would we do update-in-place in our RAID implementation?
- bcachefs Caching — bcachefs can be configured for writethrough, writeback, and writearound caching, as well as other more specialized setups.
- bachefs Compression — Unlike other filesystems that typically do compression at the block level, bcachefs does compression at the extent level - variable size chunks, up to (by default) 128k.
- bcachefs Encryption — bcachefs uses AEAD style encryption (ChaCha20/Poly1305), where each encrypted block is authenticated with a MAC, with a chain of trust up to root (the superblock), and every encrypted block has a unique nonce.
- bcachefs Snapshots — bcachefs provides Btrfs style writeable snapshots, at subvolume granularity.
- (2015) [ANNOUNCE] bcachefs - a general purpose COW filesystem — It's taken a long time to get to this point - longer than I would have guessed if you'd asked me back when we first started talking about it - but I'm pretty damn proud of where it's at now.
- Kent Overstreet's Patreon
- Unplugged Core Membership
- Jupiter Signal PROMO 2024 — $3 off a month forever.
- Webamp — Winamp 2 re-implemented for the browser.
- Webamp on GitHub — Winamp 2 reimplemented for the browse.
- The Official JB BBS! — vt52 hosts our new official JB BBS! `telnet http://pebkac.lol`
Senaste avsnitt
Vad är en podd?
En liten tjänst av I'm With Friends. Finns även på engelska.
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