Skip to main content
NetApp Stage KB

Global File Cache: How can I tell if GFC traffic is being throttled through GFC

Last Updated:

Applies to

  • Global File Cache (GFC)
  • Edge
  • Throttling


  • Open Event Viewer and Filter for Flush (27) and Fetch (28) Throttling.
  1. Open Control Panel, select System and Security, and then, in the Administrative Tools section, select View event logs
  2. Under Windows Logs, right click System, click Filter Current Log
  3. For Event Level, check Critical, Warning and Error
  4. For Event Sources, add TFASTDRV
  5. For Event Sources, 27,28 click OK

Filter Example:

6. Results (if any) will be shown with the impacted users Security Identifier (SID)

Flush Throttle Example:


Additional Information

  • Throttling is a per user mechanisim. It is meant to prevent any one user from saturating the WAN link and having an impact on other connected users work. 
  • Any changes to the throttling settings should be done with a GFC support engineer. 
  • Click here for information on throttling.


NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.
Case Citation