Merge pull request #47 from m-lab/resources

cpu tweaks for more stability

Author: gfr10598

annotator.yaml

@@ -7,7 +7,7 @@ service: annotator
 
 # TODO(dev): adjust CPU and memory based on actual requirements.
 resources:
-  cpu: 1
+  cpu: 2
   # Instances support between [(cpu * 0.9) - 0.4, (cpu * 6.5) - 0.4]
   # Actual memory available is exposed via GAE_MEMORY_MB environment variable.
   memory_gb: 6
@@ -19,9 +19,9 @@ automatic_scaling:
   # We expect negligible load, so this is unlikely to trigger.
   min_num_instances: 2
   max_num_instances: 10
-  cool_down_period_sec: 300
+  cool_down_period_sec: 1800
   cpu_utilization:
-    target_utilization: 0.80
+    target_utilization: 0.60
 
 # Note: add a public port for GCE auto discovery by prometheus.
 # TODO(dev): are any values redundant or irrelevant?