Re: The maximum number of files under a folder

[Andreas Dilger <adilger@xxxxxxx>]

On Mar 13, 2008  13:23 -0400, Theodore Ts'o wrote:
> There is no limit to the number of files in a folder, except for the
> fact that the directory itself can't be bigger than 2GB, and the
> number of inodes that the entire filesystem has available to it.  Of
> course, if you don't have directory indexing turned on, you may not
> like the performance of doing directory lookups, but that's a
> different story.

There is also a limit in the current ext3 htree code to be only 2 levels
deep.  Along with the 2GB limit you hit problems around 15M files,
depending on the length of the filenames.

Cheers, Andreas
--
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.

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