charts/patches/nova/0001-tune-uwsgi-config.patch

diff --git b/nova/values.yaml a/charts/nova/values.yaml
index df2e2ff6..fe02e605 100644
--- b/nova/values.yaml
+++ a/nova/values.yaml
@@ -1539,15 +1539,20 @@ conf:
     uwsgi:
       add-header: "Connection: close"
       buffer-size: 65535
+      chunked-input-limit: "4096000"
       die-on-term: true
       enable-threads: true
       exit-on-reload: false
       hook-master-start: unix_signal:15 gracefully_kill_them_all
+      http-auto-chunked: true
+      http-raw-body: true
       lazy-apps: true
       log-x-forwarded-for: true
       master: true
+      need-app: true
       procname-prefix-spaced: "nova-api:"
       route-user-agent: '^kube-probe.* donotlog:'
+      socket-timeout: 10
       thunder-lock: true
       worker-reload-mercy: 80
       wsgi-file: /var/lib/openstack/bin/nova-api-wsgi
@@ -1555,15 +1560,20 @@ conf:
     uwsgi:
       add-header: "Connection: close"
       buffer-size: 65535
+      chunked-input-limit: 4096000
       die-on-term: true
       enable-threads: true
       exit-on-reload: false
       hook-master-start: unix_signal:15 gracefully_kill_them_all
+      http-auto-chunked: true
+      http-raw-body: true
       lazy-apps: true
       log-x-forwarded-for: true
       master: true
+      need-app: true
       procname-prefix-spaced: "nova-metadata:"
       route-user-agent: '^kube-probe.* donotlog:'
+      socket-timeout: 10
       thunder-lock: true
       worker-reload-mercy: 80
       wsgi-file: /var/lib/openstack/bin/nova-metadata-wsgi