file limits?

You make mention of the phrase "dir entries". How does
this (if at all) correlate to a possible maximum number of files in a directory
as opposed to (sub)directories?



On Mon, Dec 02, 2002 at 12:43:58PM -0700, technomage wrote:
/_well,
/_I can answer a few of these at least...
/_
/_On Monday 02 December 2002 10:18 am, you wrote:
/_> I have a customer that is currently using a shopping
/_> cart which utilizes the file system as a database.
/_> He has one directory which contains thousands of
/_> small files (one per customer).
/_>
/_> In an effort to persuade him to move the system to
/_> a SQL server, can anyone offer me some numbers as to
/_> the limits on files in a directory?
/_>
/_> Are these OS dependent, or more specifically filesystem
/_> dependent?
/_>
/_> For instance, are there differant values for:
/_>
/_> msdos
/_file limits: 255 dir entries and max disk size of 500 MB (fat 16 old model)
/_
/_> fat32
/_supports up to a 50 GB drive in single partition mode. max file size < 2gb.
/_unknown on max dir entries.
/_
/_> ntfs
/_very inefficient for small files (under 64 k) as cluster sizes are large (64
/_kbytes/cluster). unknown on max disk size supported or max dir entries.
/_
/_> ext2
/_2 gb max file size, unknown of number of dir entries or max disk size.
/_> ext3
/_still finding out
/_
/_> reiserfs
/_
/_well, thats some of what I know.
/_
/_Technomage
/_
/_---
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/_numbered!
/_My life is my own - No. 6
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