Butter from two CoWs: making a key-value store with btrfs

• agatedb

  2 798 2.8 Rust

  A persistent key-value storage in rust.

  

As I mentioned in a comment above you could probably just use AgageDb (Rust implementation of Badger which is a single file high performance KVP store. Turn off all of its built-in transactional behaviour and see how fast it runs on BTRFS using reflinks instead.

• badger

  30 13,367 6.7 Go

  Fast key-value DB in Go.

  

As I mentioned in a comment above you could probably just use AgageDb (Rust implementation of Badger which is a single file high performance KVP store. Turn off all of its built-in transactional behaviour and see how fast it runs on BTRFS using reflinks instead.

• WorkOS

  workos.com sponsored

  The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

  

• coreutils

  112 4,015 9.3 C

  upstream mirror (by coreutils)

  

I'm not sure how you'd go about calling it directly from Rust though. Looking at cp.c it's probably just a normal copy with cp_options->reflink_mode = REFLINK_ALWAYS.

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