[hugo]socket: too many open files in system

create-maxfiles.sh

touch /Library/LaunchDaemons/limit.maxfiles.plist

limit.maxfiles.plist

<?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>64000</string>
        <string>524288</string>
      </array>
      <key>RunAtLoad</key>
      <true/>
      <key>ServiceIPC</key>
      <false/>
    </dict>
  </plist> 

maxfiles.sh

sudo chown root:wheel /Library/LaunchDaemons/limit.maxfiles.plist
sudo launchctl load -w /Library/LaunchDaemons/limit.maxfiles.plist
launchctl limit maxfiles