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Zombie exhaustion accounting for poor delete performance

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data-ontap-7
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perf
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Applies to

  • ONTAP 9

Issue

  • ONTAP 9 or newer releases, you may see this message:
wafl.zombie.susp.msg.threshold:notice]: WAFL(R) is experiencing zombie throttling possibly
due to requests for large number of file deletions.
  • High response time for CIFS or NFS trying to open files, overwrite files, or delete files
  • CPU utilization might be higher than normal

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