[exarch]

They don't buffer into /dev/null... until you fill the buffer.

And the purpose of systemd, as near as I can tell, appears to be making my system into a Windows box, complete with binlogs.

[teddyh]

No, when the buffer is full, the write() call blocks. Otherwise no UNIX pipes could ever reliably transport data.

[exarch]

True, I was wrong here.