Using a single file is problematic, especially in a multi-user system because of issues of file locking and the performance problems associated with working with a single, large file.

使用单个文件可能会存在一些问题，特别是在多用户的系统中，因为在使用单个、较大的文件时，可能会出现与其相关联的文件锁定和性能问题。

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The restructuring of file locking support allows the server to maintain the lock state of files using a lease-based model.

文件锁定支持的重构让服务器可以用基于租约的模型来保持文件的锁状态。

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File locking - The process of obtaining an exclusive lock on a file over a network.

文件锁定——通过网络获取文件排它锁定的过程。

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Owners are hoping that by locking out the players and withholding pay, a critical mass of the rank-and-file will break with the leadership and push for a new deal that includes concessions.

WSJ: NFL, Players to Square Off in Court