Problem with writing lock files on AWS NFS

[Karinne Cyphers]

We're having some performance issues with a dual server setup on AWS with an ALB in front of two custom Ubuntu servers sharing a filesystem to handle the templates/assets.  We are having issues with lock files not being able to be written.  Are there changes we can make to ProcessWire to make the lock files more NFS safe, perhaps setting some flags to files to make it better? 

Are there any are lock options like DB or memcached/redis/etc instead of files that could be used?

Thank you.