Drupal 8.0.0 beta 12. More info: https://www.drupal.org/node/2514176

core/modules/dblog/config/install/dblog.settings.yml

@@ -0,0 +1 @@
+row_limit: 1000

core/modules/dblog/config/schema/dblog.schema.yml

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+# Schema for the configuration files of the dblog module.
+
+dblog.settings:
+  type: config_object
+  label: 'Database logging settings'
+  mapping:
+    row_limit:
+      type: integer
+      label: 'Database log messages to keep'

core/modules/dblog/config/schema/dblog.views.schema.yml

@@ -0,0 +1,13 @@
+# Schema for the views plugins of the Database Logging module.
+
+views.field.dblog_message:
+  type: views_field
+  label: 'Log event message'
+  mapping:
+    replace_variables:
+      type: boolean
+      label: 'Replace variables'
+
+views.field.dblog_operations:
+  type: views_field
+  label: 'Operation link markup'