From 168d48a5c93215aab4b5bb23768061e66bd17f02 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Tue, 6 Aug 2013 18:32:31 +0200
Subject: [PATCH] nix-daemon: Run under the default nice level

Running at a low priority is generally bad since it runs the risk of
priority inversions, etc.  It's really the builders that should run
under a different priority (e.g. in their own cgroup).
---
 modules/services/misc/nix-daemon.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/services/misc/nix-daemon.nix b/modules/services/misc/nix-daemon.nix
index 3296eff041b..7a7462ecb39 100644
--- a/modules/services/misc/nix-daemon.nix
+++ b/modules/services/misc/nix-daemon.nix
@@ -127,7 +127,7 @@ in
       };
 
       daemonNiceLevel = mkOption {
-        default = 10;
+        default = 0;
         description = "
           Nix daemon process priority. This priority propagates to build processes.
           0 is the default Unix process priority, 20 is the lowest.
@@ -135,7 +135,7 @@ in
       };
 
       daemonIONiceLevel = mkOption {
-        default = 7;
+        default = 0;
         description = "
           Nix daemon process I/O priority. This priority propagates to build processes.
           0 is the default Unix process I/O priority, 7 is the lowest.