On Mon, 15 Apr 2013 16:24:17 +0200, Pietro Paolini said: > I have to compare different filesystems options for an embedded platform Step 0: Get an accurate list of what requirements the embedded platform has. Is the storage flash based? Spinning oxide? What are the relative read/write ratios (some systems will have almost no writes, but a Tivo will have almost as many writes as reads (possibly more, even). What sustained rates of file I/O and metadata activity will you expect? Do you have a fairly high CPU budget and can afford more cycles, or are you using a slower ARM and have to do it with as few cycles as possible? How big will the filesystem be? How many meg/gig of data, and how many files? Small numbers of honking-huge files, or zillions of 139 byte files? Does the filesystem have to support TRIM or whiteouts? Plus any application specific issues I may have overlooked... Step 1: for i in $filesystems; do compare_specs($needed_specs, $i); done. You get the idea.
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