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This article provides information on Netflow database maintenance.
All NTA versions
Reasons for running this wizard:
1. Log into the Netflow server.
2. Open %Solarwinds Program Directory%\Orion\NetFlowTrafficAnalysis\.
3. Launch NetflowDatabaseMaintenance.exe.
Explanation of NetFlow Database Maintenance Options:
Each file within a database can be reduced to remove unused pages. Although the Database Engine will reuse space effectively, there are times when a file no longer needs to be as large as it once was; shrinking the file may then become necessary.
This option will remove any flow data for IPs not listed in current flows (30 days). The "note:" listed under this option will report how many expired IPs are currently present in the Database.
When any data modification operations are run (INSERT, UPDATE, or DELETE statements) table fragmentation can occur. Re-indexing rebuilds the tables index (similar to a file system defragmentation) which can greatly improve performance.
After completing the Database Maintenance Wizard a log file will be generated in the same directory named: DatabaseMaintenance.log.
This file will list all actions committed by the wizard.