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CONTAP-461125: Handle Cred_missing error in Fpolicy that can cause Nwk thread hung on CPU

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ontap-9
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NAS
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Issue

  • When there are too many 'cred_missing' errors for file operations with Fpolicy enabled,
  • The Fpolicy can become too large for the network context, causing a CPU hang
  • This issue can result in high system latency, even unexpected node reboot due to CPU exhaustion when Fpolicy is enabled

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