State Tracker plugin - How to monitor lines with unique IDs

You can use Dynamic tracking with Templates.

1. Mark the Tracker as a Template.

2. Each key must contain a named group to define the identifier. For example, the log line is:

Error: LineMonitor(line3): no data at all during last 65000 ms (at 05:10:44)

Then the corresponding key can be:

^Error:\s+LineMonitor\((?<id>[\w\d]+)\):\s+(.*)

3. The resulting dataview would look something like below:

For more information, see the State Tracker plugin documentation, and look for the Dynamic Tracking with Templates section.