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nginx core module: worker_rlimit_nofile

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Configuration file: nginx.conf Block: main Value type: number Default: none - system determined (see notes section below) What it does: sets the value for the maximum file descriptors that can be opened by a single worker process Example: worker_rlimit_nofile 1024; NOTES: When any program opens a file, the operating system (OS) returns a file descriptor (FD) that corresponds to that file.