diff --git a/data/hostname/moma.softwareheritage.org.yaml b/data/hostname/moma.softwareheritage.org.yaml
--- a/data/hostname/moma.softwareheritage.org.yaml
+++ b/data/hostname/moma.softwareheritage.org.yaml
@@ -13,6 +13,7 @@
   - var/lib/rabbitmq
 
 swh::deploy::storage::db::host: db.internal.softwareheritage.org
+swh::deploy::storage::backend::workers: 16
 
 hitch::frontend: "[*]:443"
 hitch::proxy_support: true