Why is my scan taking so long?

Introduction

This article attempts to explain why a scan takes longer than desired to finish.

 

Summary

When scanning large volumes of data, it is normal for such scans to run for extended periods of time.
This is due to the underlying scanning engine being designed to fulfill 2 important requirements:

  • The scan must be accurate - all files must be scanned. Nothing can be ignored.
  • The scan must be gentle on system resources resulting in minimal or no impact to production applications or users.
 
The scanning engine used in both Card/Data Recon and Enterprise Recon will dynamically slow down as required to ensure the above prerequisites are met.
It is for this reason why sometimes a scan may take longer than expected.
 
To speed up a general system scan the following options may be considered:
  • If system resources are not a concern, run the scan in Normal Priority mode.
    This will instruct the scanning engine to compete for system resources on equal terms to other software.
  • If the system being scanned contains large complex files such as databases or mail stores, you may wish to consider running a separate scan for these data store types independently.
    This will enable a general scan of the target system to complete in a shorter time.
    A special scan can then be executed focusing only on the complex data types.
 
All information in this article is accurate and true as of the last edited date.

 

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