From a422cb3d03f3f34b03b36d1249c725a74a5c4926 Mon Sep 17 00:00:00 2001 From: Sebastien GODARD Date: Sat, 11 Sep 2021 08:45:19 +0200 Subject: [PATCH] Update FAQ Signed-off-by: Sebastien GODARD --- FAQ.md | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/FAQ.md b/FAQ.md index cda3e41..a5da217 100644 --- a/FAQ.md +++ b/FAQ.md @@ -610,6 +610,11 @@ sadc are trying to update the same data file, especially around midnight when making a file rotation. See question 2.12 to know how to make such a file rotation properly. +Last this issue can also be triggered when the system is rebooted forcibly +without data in cache being written to disk. You can use switch -f with sadc +to make sure data are written to disk immediately. Of course sync'ing each +data sample to disk implies a (probably slight) performance penalty. + --- ### 3. Questions related to iostat -- 2.40.0