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Storing lots of small files? ZFS makes it easy...
In ZFS inodes are allocated on demand and so the question came up, how many files can I store onto a piece of storage. I managed to scrape up an old disk of 33GB, created a pool and wanted to see how many 1K files I could store on that storage.
ZFS stores files with the smallest number of sectors possible and so 2 sectors was enough to store the data. Then of course one needs to also store some amount of metadata, indirect pointer, directory entries etc to complete the story. There I didn't know what to expect. My program would create 1000 files per directory. Max depth level is 2, nothing sophisticated attempted here.
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