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Home > LINUX Unplugged > 545: 3,062 Days Later


	Podcast:		LINUX Unplugged
	Episode:		545: 3,062 Days Later
	Category:		Technology
	Duration:		00:57:15
	Publish Date:		2024-01-15 02:45:00
	Description:		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 Zero config VPN. It installs on any device in minutes, manages firewall rules for you, and works from anywhere. Get 20 devices for free for a personal account. 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. Support LINUX Unplugged 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`
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