diff --git a/inventory/host_vars/db-koji02.phx2.fedoraproject.org b/inventory/host_vars/db-koji02.phx2.fedoraproject.org
index e84096ad90..38ab2564a6 100644
--- a/inventory/host_vars/db-koji02.phx2.fedoraproject.org
+++ b/inventory/host_vars/db-koji02.phx2.fedoraproject.org
@@ -21,6 +21,7 @@ dbs_to_backup:
 # These are normally group variables, but in this case db servers are often different
 lvm_size: 300000
 mem_size: 32768
+max_mem_size: "{{ mem_size }} * 2"
 num_cpus: 24
 fas_client_groups: sysadmin-dba,sysadmin-noc,sysadmin-veteran