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Re: /usr/lib vs /usr/libexec



Humberto Massa <humberto.massa@almg.gov.br> writes:

> Thomas Bushnell BSG wrote:
>
>>Christoph Hellwig <hch@lst.de> writes:
>>
>>
>>
>>>On Tue, May 10, 2005 at 04:40:11PM -0700, Thomas Bushnell BSG wrote:
>>>
>>>
>>>>What does the default Debian install do?
>>>>
>>>>
>>>Debian seems to use ext3 without directory indexing by default.
>>>Which is a sane choice as directory indexing on ext3 still seems to
>>>be not fully mature.
>>>
>>>And as mentioned in another thread it's not available on ext2 at all.
>>>
>>>
>>
>>So that means that, in fact, directory lookups on Debian are O(n), and
>>we are, in fact, subject to problems from huge directories.
>>
>>
>>
> As I said before, as far as I recall, the Debian installer suggested
> me only filesystems that have O(1) [O(log n) worst case] directory
> lookup. I chose reiserfs, but the installer IIRC suggested ext3 and
> xfs as alternatives. I will probably re-install my laptop this
> weekend, and then I can give you more accurate info.

BUt according to Christoph Hellwig, the ext3 which is the default is
used without directory indexing, which returns you to O(n).



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