brent timothy saner on 2 Sep 2009 14:17:25 -0700


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Re: [PLUG] File System Directory Limits


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Tim Allen wrote:
>>> Does anyone know of a file system that can handle upwards of 100,000
>>> sub-directories in root?

ext4 does 64k natively[1], and can extend above and beyond with the
dir_nlink feature (as ext4 uses an Htree for increased performance).

i've been using ext4 heavily on personal use for about 7 or 8 months now
and notice no issues, although i'm not using it quite in your context. ;)

i'd give it a shot, as opensolaris is not as resource-friendly as linux
and is a bit behind (i'm quite convinced that ZFS is opensolaris' ONLY
major "selling" point these days).


[1]http://en.wikipedia.org/wiki/Ext4#Break_32.2C000_subdirectory_limit
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