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The NTA Resources data is not populating under the Resources section, and the Last Received Netflow information reflects under Netflow Sources.
The NTA Flow Storage Database is out of space.
You may need to free some space if it is full. If you do increase the disk drive space then:
To reclaim space
Note: The difference between NTA 3.x and 4.x is 3.x only stored 1-4 hours of uncompressed data. By default, version 4.x now stores 30 days uncompressed.
If you are primarily using Orion NTA to determine the "top talkers" on your network, you are probably storing a lot of unnecessary data in your Orion DB.
To enable the Top Talker Optimization to improve the performance of your installation: