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Signed-off-by: Mykola Faryma <[email protected]>

Author: Mykola Faryma

dockers/docker-orchagent/enable_counters.py

@@ -3,6 +3,9 @@
 import swsssdk
 import time
 
+# ALPHA defines the size of the window over which we calculate the average value. ALPHA is 2/(N+1) where N is the interval(window size)
+# In this case we configure the window to be 10s. This way if we have a huge 1s spike in traffic, 
+# the average rate value will show a curve descending from the spike to the usual rate over approximately 10s.
 DEFAULT_SMOOTH_INTERVAL = '10'
 DEFAULT_ALPHA = '0.18'
 
@@ -12,7 +15,7 @@ def enable_counter_group(db, name):
     db.mod_entry("FLEX_COUNTER_TABLE", name, info)
 
 def enable_rates():
-    # set the default interval for rates (N) as 10s, alpha is 2/(N+1)
+    # set the default interval for rates 
     counters_db = swsssdk.SonicV2Connector()
     counters_db.connect('COUNTERS_DB')
     counters_db.set('COUNTERS_DB', 'RATES:PORT', 'PORT_SMOOTH_INTERVAL', DEFAULT_SMOOTH_INTERVAL)