simultaneous
Python Multiple users append to the same file at the same time
You can use file locking: import fcntl new_entry = “foobar” with open(“/somepath/somefile.txt”, “a”) as g: fcntl.flock(g, fcntl.LOCK_EX) g.write(new_entry) fcntl.flock(g, fcntl.LOCK_UN) Note that on some systems, locking is not needed if you’re only writing small buffers, because appends on these systems are atomic.
Speed up rsync with Simultaneous/Concurrent File Transfers?
Updated answer (Jan 2020) xargs is now the recommended tool to achieve parallel execution. It’s pre-installed almost everywhere. For running multiple rsync tasks the command would be: ls /srv/mail | xargs -n1 -P4 -I% rsync -Pa % myserver.com:/srv/mail/ This will list all folders in /srv/mail, pipe them to xargs, which will read them one-by-one and … Read more