How to Clear the Cache in NinjaTrader 8 (NT8)
Clearing the cache in NinjaTrader 8 helps improve platform performance by removing accumulated temporary files. However, this process will delete historical data and custom instruments, so backing up critical data is essential before proceeding.
Steps to Manually Clear the Cache
1. Close NinjaTrader 8:
• Make sure NinjaTrader 8 is completely closed before starting.
2. Locate the Cache Folder:
• Open File Explorer.
• Navigate to the following directory (Replace YourUsername with your actual Windows username)
C:\Users\YourUsername\Documents\NinjaTrader 8\db
3. Delete Cache Files:
• Inside the db folder, locate and delete the following folders:
• cache
• tick
• minute
• day
• These folders contain cache and historical data that NinjaTrader 8 will rebuild upon restart.
4. Restart NinjaTrader 8:
• Relaunch NinjaTrader 8.
• The platform will recreate the necessary cache files during use.
Important Considerations
• Performance Impact:
Clearing the cache may temporarily slow down NT8 as the platform rebuilds data, leading to longer initial loading times.
• Backup Your Data:
Before deleting any files, back up critical data to avoid accidental loss. Use NT8’s built-in backup feature for ease.
• Regular Maintenance:
Periodically clearing the cache can resolve issues caused by outdated or corrupted data, ensuring smoother platform operation.
For detailed guidance or troubleshooting specific to your setup, refer to NinjaTrader’s official support resources or community forums.
By following these steps, you can maintain optimal performance for NinjaTrader 8 and minimize issues related to outdated cache data.
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