From a1a028cef9bbe12da9b7cf2717324efd0901b0fb Mon Sep 17 00:00:00 2001 From: infectormp Date: Sun, 19 Jan 2025 17:32:38 +0300 Subject: [PATCH] FAQ: Why are backups slow on a Linux server that is a member of a windows domain? backport to 1.4-maint --- docs/faq.rst | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/docs/faq.rst b/docs/faq.rst index c944430dc2..2c63f041a5 100644 --- a/docs/faq.rst +++ b/docs/faq.rst @@ -489,6 +489,13 @@ using ``nfs=nostale_ro``. Doing so implies mounting the filesystem read-only. Another option is to not consider inode numbers in the files cache by passing ``--files-cache=ctime,size``. +Why are backups slow on a Linux server that is a member of a Windows domain? +---------------------------------------------------------------------------- + +If a Linux server is a member of a Windows domain, username to userid resolution might be +performed via ``winbind`` without caching, which can slow down backups significantly. +You can use e.g. ``nscd`` to add caching and improve the speed. + Security ########