After moving a shared directory onto NFS, app threads pile into D state and load average tops 50 while CPUs sit idle. Explain it.

NFS waits can stall shutdown and inflate load average while CPUs stay idle. Check the blocked kernel path before deciding whether signals or mount recovery can release it.

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NFS waits can stall shutdown and inflate load average while CPUs stay idle. Check the blocked kernel path before deciding whether signals or mount recovery can release it.

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