diff --git a/roles/sysctl/defaults/main.yml b/roles/sysctl/defaults/main.yml
index 509597e..dbb09e9 100644
--- a/roles/sysctl/defaults/main.yml
+++ b/roles/sysctl/defaults/main.yml
@@ -15,6 +15,8 @@
 #
 # List of ``sysctl`` parameters to set
 sysctls:
+  - name: fs.aio-max-nr
+    value: 1048576
   - name: net.ipv4.tcp_timestamps
     value: 0
   - name: net.ipv4.tcp_sack