matrix: Rescale to cpx31

playbooks/matrix.archlinux.org.yml

@@ -14,8 +14,8 @@
     - { role: certbot }
     - { role: nginx }
     - role: postgres
-      postgres_shared_buffers: 500MB
-      postgres_work_mem: 32MB
+      postgres_shared_buffers: 1024MB
+      postgres_work_mem: 64MB
       postgres_maintenance_work_mem: 1GB
-      postgres_effective_cache_size: 1GB
+      postgres_effective_cache_size: 3GB
     - { role: matrix, tags: ['matrix'] }

roles/matrix/files/synapse.service

@@ -15,7 +15,7 @@ WorkingDirectory=~
 ExecStart=/var/lib/synapse/venv/bin/python -m synapse.app.homeserver --config-path=/etc/synapse/homeserver.yaml
 SyslogIdentifier=synapse
 
-Environment=SYNAPSE_CACHE_FACTOR=0.5
+Environment=SYNAPSE_CACHE_FACTOR=1.0
 Environment=LD_PRELOAD=/usr/lib/libjemalloc.so
 
 [Install]

tf-stage1/archlinux.tf

@@ -87,7 +87,7 @@ resource "hcloud_rdns" "matrix" {
 resource "hcloud_server" "matrix" {
   name        = "matrix.archlinux.org"
   image       = data.hcloud_image.archlinux.id
-  server_type = "cx21"
+  server_type = "cpx31"
   lifecycle {
     ignore_changes = [image]
   }