diff --git a/pages/04.other/04.btrfs/default.en.md b/pages/04.other/04.btrfs/default.en.md
index 350d3f1..f1e747c 100644
--- a/pages/04.other/04.btrfs/default.en.md
+++ b/pages/04.other/04.btrfs/default.en.md
@@ -118,4 +118,15 @@ Query the status of the repace
 `btrfs replace status /(mountpoint)`  
 
 Balance the filesystem at the end  
-`btrfs balance /(mountpoint)`  
\ No newline at end of file
+`btrfs balance /(mountpoint)`  
+
+## Issues
+
+### 100% CPU Usage
+`btrfs-transaction` and `btrfs-cleaner` will run on a single cpu core, maxing it out with 100% load.  
+*TODO: Check what enabled quotas in the first place. A likely candidate is snapper*  
+The issue is apparently caused by using quotas in btrfs.  
+Check if quotas are enabled:  
+`# btrfs qgroup show (path)`  
+Disable quotas:  
+`# btrfs quota disable (path)`