Skip to main content
NetApp Knowledgebase

Performance impact when using CIFS Access Based Enumeration

Applies to

Clustered Data ONTAP 8
ONTAP 9
Troubleshooting
Administration

Issue

Some or all of the following symptoms may be present when performance issues are related to ABE:

  • ABE is enabled on one or more CIFS shares (this absolutely must be present)
  • Very high latency on CIFS shares with ABE enabled, potentially hundreds of milliseconds
  • Review of qos statistics volume latency show command shows majority of latency under "Data" column
  • Review of perfstat section "QoS Workload Report" shows wait time on CPU_wafl_exempt for workload, potentially hundreds of milliseconds
  • The share is accessed by many users
  • The share has a high file count (millions of files)

 

CUSTOMER EXCLUSIVE CONTENT

Registered NetApp customers get unlimited access to our dynamic Knowledge Base.

New authoritative content is published and updated each day by our team of experts.

Current Customer or Partner?

Sign In for unlimited access

New to NetApp?

Learn more about our award-winning Support