The logging of the InfluxDB in DEBUG mode is not too helpful.
I cannot find why new items do not show up and it would be good to show in the “Got Decimal…” messages for which value.
2019-01-30 07:53:09.729 [DEBUG] [.internal.InfluxDBPersistenceService] - influxdb persistence service activated
2019-01-30 07:53:09.733 [DEBUG] [.internal.InfluxDBPersistenceService] - using default retentionPolicy autogen
2019-01-30 07:53:16.816 [DEBUG] [.internal.InfluxDBPersistenceService] - database status is OK, version is 1.7.3
2019-01-30 07:53:30.875 [DEBUG] [.internal.InfluxDBPersistenceService] - got DecimalType value 21.7
2019-01-30 07:53:31.043 [DEBUG] [.internal.InfluxDBPersistenceService] - got DecimalType value 22.0