From c96ba2cf5efc0ee5c10f0a49aeaa9a45a84de7ed Mon Sep 17 00:00:00 2001 From: Ludovic Courtès Date: Wed, 10 Feb 2016 21:21:38 +0100 Subject: install: Do not cache lookup failures. Possibly fixes . * gnu/system/install.scm (%nscd-minimal-caches)[negative-time-to-live]: Set to zero. --- gnu/system/install.scm | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/gnu/system/install.scm b/gnu/system/install.scm index 0cfc8fa5c9..6cde649995 100644 --- a/gnu/system/install.scm +++ b/gnu/system/install.scm @@ -237,7 +237,12 @@ the user's target storage device rather than on the RAM disk." ;; Minimal in-memory caching policy for nscd. (list (nscd-cache (database 'hosts) (positive-time-to-live (* 3600 12)) - (negative-time-to-live 20) + + ;; Do not cache lookup failures at all since they are + ;; quite likely (for instance when someone tries to ping a + ;; host before networking is functional.) + (negative-time-to-live 0) + (persistent? #f) (max-database-size (* 5 (expt 2 20)))))) ;5 MiB -- cgit 1.4.1