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authorLudovic Courtès <ludo@gnu.org>2014-12-26 23:31:04 +0100
committerLudovic Courtès <ludo@gnu.org>2014-12-26 23:31:04 +0100
commit763a401ed185d39119289c670c1eb250ace13ed9 (patch)
tree20c989b7c6d571e388e1707af275a946b7757ecb /gnu/system/install.scm
parent94264407815da63c5f07a519cd41838e35ab464e (diff)
parentbf7688fe4d8624ed9bddc8f7f3887df5f1fc3957 (diff)
downloadguix-763a401ed185d39119289c670c1eb250ace13ed9.tar.gz
Merge branch 'master' into core-updates
Diffstat (limited to 'gnu/system/install.scm')
-rw-r--r--gnu/system/install.scm13
1 files changed, 12 insertions, 1 deletions
diff --git a/gnu/system/install.scm b/gnu/system/install.scm
index 01e79480b1..ab3fe42ae1 100644
--- a/gnu/system/install.scm
+++ b/gnu/system/install.scm
@@ -145,6 +145,14 @@ configuration template file in the installation system."
               #~(unless (file-exists? #$local-template)
                   (copy-file #$template #$local-template)))))))
 
+(define %nscd-minimal-caches
+  ;; Minimal in-memory caching policy for nscd.
+  (list (nscd-cache (database 'hosts)
+                    (positive-time-to-live (* 3600 12))
+                    (negative-time-to-live 20)
+                    (persistent? #f)
+                    (max-database-size (* 5 (expt 2 20)))))) ;5 MiB
+
 (define (installation-services)
   "Return the list services for the installation image."
   (let ((motd (text-file "motd" "
@@ -206,7 +214,10 @@ You have been warned.  Thanks for being so brave.
           (console-font-service "tty5")
           (console-font-service "tty6")
 
-          (nscd-service))))
+          ;; Since this is running on a USB stick with a unionfs as the root
+          ;; file system, use an appropriate cache configuration.
+          (nscd-service (nscd-configuration
+                         (caches %nscd-minimal-caches))))))
 
 (define %issue
   ;; Greeting.