
58 EFS Systems on a Linux Base: Additional Topics
functions. Major data base products are a typical example and FLEX-ES is another example.
Such applications often include these characteristics:
They tend to work with a small number of large files
They work with blocks of data that map onto hardware disk sectors
They contain their own disk cache management
When such applications use standard files, there is unnecessary processing overhead
(application processing and file system processing, with duplication of some work), and the
application disk cache functions may conflict with the file system disk cache functions. The
operation of two separate ...