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Sometimes I need to make changes to a web server that's
under load. I want to move a file that's already on the
production server off to a backup location somewhere, and
I want to copy the file I've been developing into its place. I
want to do this without disrupting users who might be
this file, and I want the whole operation to
succeed or fail as a unit. Proposed is a filesystem that
allows nontrivial ACID-compliant transactions like modern
relational database systems do for their data.
Transactional file systems
[spidermother, Feb 08 2012]
||I thought this was exactly how most modern file systems worked. They're even called transactional file systems.
||The key word here is "nontrivial". I want to make
multiple changes in a single transaction and have
them succeed or fail as a unit.