Mac OS 下面修改打开文件数限制：
创建文件：
vi /Library/LaunchDaemons/limit.maxfiles.plist
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| <?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>Label</key>
<string>limit.maxfiles</string>
<key>ProgramArguments</key>
<array>
<string>launchctl</string>
<string>limit</string>
<string>maxfiles</string>
<string>65536</string>
<string>65536</string>
</array>
<key>RunAtLoad</key>
<true/>
<key>ServiceIPC</key>
<false/>
</dict>
</plist>
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配置系统自动加载：
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| sudo chown -R root:wheel /Library/LaunchDaemons/limit.maxfiles.plist
sudo chmod -R 644 /Library/LaunchDaemons/limit.maxfiles.plist
sudo launchctl load /Library/LaunchDaemons/limit.maxfiles.plist
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如需修改进程数限制可以创建：
vi /Library/LaunchDaemons/limit.maxproc.plist
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| <?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple/DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>Label</key>
<string>limit.maxproc</string>
<key>ProgramArguments</key>
<array>
<string>launchctl</string>
<string>limit</string>
<string>maxproc</string>
<string>4096</string>
<string>4096</string>
</array>
<key>RunAtLoad</key>
<true />
<key>ServiceIPC</key>
<false />
</dict>
</plist>
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加载方式类似