Increase mem to 129 GB, and allow a third instance (#258)

* Increase mem to 129 GB, and allow a third instance

annotator.yaml

@@ -9,11 +9,11 @@ service: annotator
 
 # TODO(dev): adjust CPU and memory based on actual requirements.
 resources:
-  cpu: 14
+  cpu: 20
   # Instances support between [(cpu * 0.9) - 0.4, (cpu * 6.5) - 0.4]
   # Actual memory available is exposed via GAE_MEMORY_MB environment variable.
   # Service now loads ALL datasets, so it needs quite a lot of memory.
-  memory_gb: 90
+  memory_gb: 129
 
   # Annotation service uses disk for loading legacy Geolite datasets.  It now loads many
   # concurrently, so needs a lot of disk space.
@@ -22,7 +22,7 @@ resources:
 automatic_scaling:
   # We expect negligible load, so this is unlikely to trigger.
   min_num_instances: 2
-  max_num_instances: 2
+  max_num_instances: 3
   cool_down_period_sec: 1800
   cpu_utilization:
     target_utilization: 0.60