From 58803f4845115e669439e0252a888deb494cd797 Mon Sep 17 00:00:00 2001 From: trapexit Date: Sat, 15 Jan 2022 17:33:07 -0500 Subject: [PATCH] Update README.md --- README.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/README.md b/README.md index 49d3e617..b76ba81c 100644 --- a/README.md +++ b/README.md @@ -829,6 +829,8 @@ NOTE: be sure to read about these features before changing them to understand wh * use `symlinkify` if your data is largely static and read-only * use tiered cache drives * use LVM and LVM cache to place a SSD in front of your HDDs +* if `cache.files` is enabled increase readahead: `echo "1024" > /sys/class/bdi/0:$(stat -c%d /MOUNT)/read_ahead_kb` +* increase readahead on all devices: `echo "1024" > /sys/class/bdi/0:$(stat -c%d /mnt/MOUNT)/read_ahead_kb` If you come across a setting that significantly impacts performance please contact trapexit so he may investigate further.