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Home > Success Center > Netflow Traffic Analyzer (NTA) > NTA 4.2.3 Administrator Guide > NTA settings > NTA Flow Storage Database maintenance

NTA Flow Storage Database maintenance

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Maintaining the NTA Flow Storage Database requires setting an appropriate retention period that corresponds with the amount of data you need to keep and the free disk space available on your NTA Flow Storage Database disk.

Retention Period specifies the time for which flow data are stored in the database until they expire and are permanently deleted.

To optimize the retention period for your NTA Flow Storage Database, collect data for a few days. You should then have an idea of the volume of data your network produces with NetFlow enabled. Consider the space taken up by the database, and then adjust the retention period accordingly.

  1. Click Settings > All Settings.
  2. Under Product Specific Settings, click NTA Settings.
  3. Scroll down to the Database Settings section.
  4. Under NTA Flow Storage Database Settings, click Calculate.
  5. Review the Average Received Flows per Second, Current Size, and Projected Size.
  6. Update Retention Period according to the space available on your NTA Flow Storage Database disk, the space required daily, and the estimated maximum size of the NTA Flow Storage Database.
  7. Click Save.


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