From: Sebastien GODARD <sysstat@users.noreply.github.com>
Date: Sat, 11 Sep 2021 06:45:19 +0000 (+0200)
Subject: Update FAQ
X-Git-Tag: v12.5.5~15
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=a422cb3d03f3f34b03b36d1249c725a74a5c4926;p=sysstat

Update FAQ

Signed-off-by: Sebastien GODARD <sysstat@users.noreply.github.com>
---

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<a name="iostat"></a>