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CONTAP-46481：NFSv4.1でOpen/Closeシリアル化を実行するとパフォーマンスが低下する

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問題

In order to handle certain race conditions which can result in client I/O failing, NFSv4.1 serializes the open and close requests from the same client and owner. This causes perfomance degradation for metadata centric workloads

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