Update settings and comments

Author: j-broo

mqttdblg/config.ini

@@ -16,16 +16,16 @@ SUB_TOPIC = +
 # QOS to use for subscription. 0, 1 or 2.
 QOS = 1
 # Days to retain data in database. Use with caution, database may become very large.
-AGE_LIMIT = 2
-# Database file name to use for logging data.
+AGE_LIMIT = 30
+# Database file name to use for logging data. Database will be created automatically.
 DATABASE_FILE = /etc/mqttdblg/database/mqttdblogger.db
-# Run a vacuum on the database on startup. Good for maintenance but will slow down startup.
+# Run a vacuum on the database on startup. Good for maintenance but will slow down startup on a large DB.
 STARTUP_VACUUM = true
 # Log file path and name.
 LOG_FILE = /var/log/mqttdblogger.log
 # Default time range on graph. 0 = 1h, 1 = 12h, 2= 1d, 3 = 1w, 4 = 1m, 5 = All
 DEFAULT_RANGE = 2
-# Default graph to show on starup. Use the topic name.
+# Default graph to show on starup. Use the subtopic name.
 DEFAULT_GRAPH = acin
 # Topics to graph, used in the dropdown selection box. JSON formatted, topic first, pretty label after.
 GRAPHED_TOPICS = {"load":"Load (%)", "acoutw":"Load (W)", "heatsinktemp":"Temp (°C)", "acin":"AC In (V)", "acinhz":"AC In (Hz)", "acout":"AC Out (V)", "acouthz":"AC Out (Hz)", "battv":"Battery (V)", "battcappa":"Capacity (%)", "battdischrg":"Discharge (A)"}