Если вас дастали сообщения вида "Too many open files in system"

$ launchctl limit maxfiles
	maxfiles    1638432768
$ ulimit-S-n16384

nano /Library/LaunchDaemons/limit.maxfiles.plist

<?xmlversion="1.0"encoding="UTF-8"?><!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"><plistversion="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>

nano /Library/LaunchDaemons/limit.maxproc.plist

<?xmlversion="1.0"encoding="UTF-8"?><!DOCTYPE plist PUBLIC "-//Apple/DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"><plistversion="1.0"><dict><key>Label</key><string>limit.maxproc</string><key>ProgramArguments</key><array><string>launchctl</string><string>limit</string><string>maxproc</string><string>2048</string><string>2048</string></array><key>RunAtLoad</key><true/><key>ServiceIPC</key><false/></dict></plist>

nano /etc/launchd.conf

limit maxfiles 16384 32768
limit maxproc 2048 2048