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Changes Tracker and DCL


Changes Tracker

Changes Tracker allows you to review history of data changes for selected metrics.

Changes Tracker is an interactive table view over the the Data Change Log. You can filter the data easily to obtain what you are interested in:

  • Using Device ID or Device name you can quickly filter out data changes concerning a particular device.
  • By selecting a metric you can review any of the supported data like temperature, free space on root filesystem etc.
  • To obtain the history of data changes regarding particular device and metric, combine selection of metric and Device ID, e.g.: selecting Temperature and filtering for a specific device ID will show history of temperature for that device.
  • The Changes Tracker uses data stored in DB. DB export of the DCL data can be turned off/on using the base_defs configuration file. If the DCL DB export is turned off, no new changes appear in the Changes Tracker.

DCL file export

It is also possible to obtain the the Data Change Log in the form of a text file. This format is better suited for machine processing and not very human-friendly.

The DCL file export could be switched on/off via base_defs configuration file.

The DCL file is part of the DWARFG_LONG log files and you can download the complete logs archive by clicking on Download Log under System -> Event Log

By default, the DCL text file export is disabled.

Supported metrics

List of metrics supported by DCL follows below. Please note that DCL logs only those metrics reported by the agent so e.g. there is no Selected SIM card metric for a Linux box.

Also, depending on a particular DWARFG_LONG version factory configuration and server settings, not all of the following metrics must be populated with data.

  • Agent version
  • Firmware version
  • Reboot counter
  • RootFS free space
  • Allocable memory
  • Temperature
  • Signal Strength
  • Selected SIM card
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