From 3794c3455c196755e869f7b1c68c2ed33dbae456 Mon Sep 17 00:00:00 2001
From: Simon Cornet <simon@simoncor.net>
Date: Sun, 26 Oct 2025 10:14:32 +0100
Subject: [PATCH] feat: add cron for flushing disk cache

---
 templates/cron/alpine-root.j2 | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/templates/cron/alpine-root.j2 b/templates/cron/alpine-root.j2
index 7db847a..03c60bb 100644
--- a/templates/cron/alpine-root.j2
+++ b/templates/cron/alpine-root.j2
@@ -9,5 +9,10 @@
 # disable swap
 @reboot swapoff -a
 
+{% if type == 'vm' %}
+# flush caches every 2 hours
+0       */2     *       *       *       echo 3 > /proc/sys/vm/drop_caches
+{% endif %}
+
 # update packages between 3:15-3:30 am
 15      3       *       *       *       sleep $(($RANDOM % 900)) && apk -U upgrade >/dev/null 2>&1 && apk clean cache && reboot -d 60