Robuta

https://www.plesk.com/kb/support/plesk-is-unresponsive-periodically-unable-to-write-to-stream-fwrite-send-of-4-bytes-failed-with-errno10054-an-existing-connection-was-forcibly-closed-by-the-remote-host/

https://tug.org/pipermail/xetex/2010-February/015814.html

https://tug.org/pipermail/xetex/2010-February/015799.html

https://tug.org/pipermail/xetex/2010-February/015803.html