build: Better resources

Author: Alan Christie

ansible/roles/app/defaults/main.yaml

@@ -38,7 +38,7 @@ ess_shared_volume_volume_storageclass: ' '
 ess_log_volume_volume_storageclass: ' '
 
 # Pod resource requests and limits
-ess_api_cpu_request: 100m
-ess_api_cpu_limit:
-ess_api_mem_request: 256Mi
-ess_api_mem_limit: 256Mi
+ess_api_cpu_request: 10m
+ess_api_cpu_limit: 1
+ess_api_mem_request: 128Mi
+ess_api_mem_limit: 128Mi

ansible/roles/app/templates/deployment.yaml.j2

@@ -117,16 +117,13 @@ spec:
 
       - name: memcached
         image: memcached:{{ ess_memcached_tag }}
+        imagePullPolicy: IfNotPresent
+        args:
+        - '-v'
+        - '--memory-limit={{ ess_memcached_memory_limit_mb }}'
         ports:
         - containerPort: 11211
           name: memcached
-        env:
-        - name: MEMCACHED_MAX_CONNECTIONS
-          value: '{{ ess_memcached_max_connections }}'
-        - name: MEMCACHED_MAX_ITEM_SIZE
-          value: '36'
-        - name: MEMCACHED_MEMORY_LIMIT
-          value: '{{ ess_memcached_memory_limit }}'
         resources:
           requests:
             cpu: {{ ess_memcached_cpu_request }}

ansible/roles/app/vars/main.yaml

@@ -12,13 +12,14 @@ ess_cert_manager_issuer_base: letsencrypt-{{ ess_ingress_class }}
 ess_cert_issuer:
 
 # memcached image tag
-ess_memcached_tag: 1.6.38-alpine3.21
-ess_memcached_memory_limit: 200m
+ess_memcached_tag: 1.6.39-alpine3.22
 # memcached resources
 ess_memcached_cpu_request: 100m
-ess_memcached_cpu_limit:
-ess_memcached_mem_request: 256Mi
-ess_memcached_mem_limit: 256Mi
+ess_memcached_cpu_limit: 100m
+ess_memcached_mem_request: 96Mi
+ess_memcached_mem_limit: 96Mi
+# The container internal memory limit
+ess_memcached_memory_limit_mb: 64
 
 # Environment
 # Number of connections