added stream parser throttle to config

etc/alice-lg/alice.example.conf

@@ -33,10 +33,17 @@ neighbors_store_refresh_parallelism = 10000
 routes_store_refresh_interval = 5
 neighbors_store_refresh_interval = 5
 
-[postgres]
-url = "postgres://postgres:postgres@localhost:5432/alice"
-min_connections = 2
-max_connections = 128
+# Add a delay to the stream parser in order to reduce
+# CPU load while ingesting routes. Route refreshs will take
+# a bit longer. The value is in nanoseconds.
+# A value of 30000 will keep the cpu load at roughly 60% and
+# parsing a master4 table will take about 2.5 instead of 1.25 minutes.
+stream_parser_throttle = 30000
+
+# [postgres]
+# url = "postgres://postgres:postgres@localhost:5432/alice"
+# min_connections = 2
+# max_connections = 128
 
 [housekeeping]
 # Interval for the housekeeping routine in minutes