From e3aff80a977cc45f5b0e3d17e8d0d1fd59cbfff8 Mon Sep 17 00:00:00 2001
From: John Ogle <john@ogle.fyi>
Date: Tue, 29 Jul 2025 11:51:52 -0700
Subject: [PATCH] [nix-book] Add beesd

---
 machines/nix-book/configuration.nix | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/machines/nix-book/configuration.nix b/machines/nix-book/configuration.nix
index 97657b5..9b66099 100644
--- a/machines/nix-book/configuration.nix
+++ b/machines/nix-book/configuration.nix
@@ -39,6 +39,15 @@
 
   boot.kernelPackages = pkgs.linuxPackages_latest;
 
+  # Btrfs deduplication service
+  services.beesd.filesystems = {
+    root = {
+      spec = "/";
+      hashTableSizeMB = 32;  # 128MB per TB recommended, ~225GB = ~32MB
+      verbosity = "err";     # Only show actual problems
+    };
+  };
+
   # Enable networking
   networking.networkmanager.enable = true;