fix: replace MemcachedCache with PyMemcacheCache (#1210)

Co-authored-by: Muhammad Soban Javed <iamsobanjaved@gmai.com>

Author: iamsobanjaved

configuration_files/analytics_api.yml

@@ -7,10 +7,14 @@ BACKEND_SERVICE_EDX_OAUTH2_PROVIDER_URL: http://127.0.0.1:8000/oauth2
 BACKEND_SERVICE_EDX_OAUTH2_SECRET: analytics_api-backend-service-secret
 CACHES:
     default:
-        BACKEND: django.core.cache.backends.memcached.MemcachedCache
+        BACKEND: django.core.cache.backends.memcached.PyMemcacheCache
         KEY_PREFIX: analytics_api
         LOCATION:
         - memcache
+        OPTIONS:
+            no_delay: true
+            ignore_exc: true
+            use_pooling: true
 CSRF_COOKIE_SECURE: false
 DATABASES:
     default:

configuration_files/discovery.yml

@@ -9,10 +9,14 @@ BACKEND_SERVICE_EDX_OAUTH2_PROVIDER_URL: http://localhost:18000/oauth2
 BACKEND_SERVICE_EDX_OAUTH2_SECRET: discovery-backend-service-secret
 CACHES:
     default:
-        BACKEND: django.core.cache.backends.memcached.MemcachedCache
+        BACKEND: django.core.cache.backends.memcached.PyMemcacheCache
         KEY_PREFIX: discovery
         LOCATION:
         - edx.devstack.memcached:11211
+        OPTIONS:
+            no_delay: true
+            ignore_exc: true
+            use_pooling: true
 CELERY_BROKER_URL: redis://:password@edx.devstack.redis:6379/
 CORS_ORIGIN_WHITELIST: []
 CSRF_COOKIE_SECURE: false

configuration_files/insights.yml

@@ -4,10 +4,14 @@ APPLICATION_NAME: Insights
 BACKEND_SERVICE_EDX_OAUTH2_PROVIDER_URL: http://edx.devstack.lms:18000/oauth2
 CACHES:
     default:
-        BACKEND: django.core.cache.backends.memcached.MemcachedCache
+        BACKEND: django.core.cache.backends.memcached.PyMemcacheCache
         KEY_PREFIX: default_env-default_deployment-insights
         LOCATION:
         - edx.devstack.memcached:11211
+        OPTIONS:
+            no_delay: true
+            ignore_exc: true
+            use_pooling: true
 CDN_DOMAIN: null
 CMS_COURSE_SHORTCUT_BASE_URL: http://edx.devstack.lms:18000/course
 COURSE_API_URL: http://edx.devstack.lms:18000/api/courses/v1/

configuration_files/registrar.yml

@@ -4,10 +4,14 @@ BACKEND_SERVICE_EDX_OAUTH2_PROVIDER_URL: http://localhost:18000/oauth2
 BACKEND_SERVICE_EDX_OAUTH2_SECRET: registrar-backend-service-secret
 CACHES:
     default:
-        BACKEND: django.core.cache.backends.memcached.MemcachedCache
+        BACKEND: django.core.cache.backends.memcached.PyMemcacheCache
         KEY_PREFIX: registrar
         LOCATION:
         - edx.devstack.memcached:11211
+        OPTIONS:
+            no_delay: true
+            ignore_exc: true
+            use_pooling: true
 CELERY_ALWAYS_EAGER: false
 CELERY_BROKER_HOSTNAME: ''
 CELERY_BROKER_PASSWORD: ''