fix(manila): solve uwsgi issues
diff --git a/roles/manila/vars/main.yml b/roles/manila/vars/main.yml
index 839ac74..01b8541 100644
--- a/roles/manila/vars/main.yml
+++ b/roles/manila/vars/main.yml
@@ -46,6 +46,7 @@
     manila:
       DEFAULT:
         host: manila-share-worker
+        osapi_share_workers: 4
       generic:
         connect_share_server_to_tenant_network: true
         limit_ssh_access: true