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A queue's overflow counter has been incrementing slowly for weeks in service. The right conclusion is

  • A.the consumer is occasionally slower than the producer's bursts
  • B.the queue's memory has been corrupted
  • C.the producer is running at the wrong priority
  • D.the counter itself is subject to a race and is unreliable

Answer: A

A slow accumulation points at bursts the consumer occasionally fails to absorb rather than at a sustained imbalance, which would have filled the queue in seconds. Enlarging the queue or raising the consumer's priority are the two remedies.

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