Re: namei caching of newly created files?

David Laight <[email protected]> Thu, 20 Jan 2005 21:03:57 +0000

Newsgroups	gmane.os.netbsd.devel.performance,gmane.os.netbsd.devel.kernel
Message-ID	<[email protected]>

> A lot of systems are using "filesystem as a database" semantics
> and just expect something like:
> 
>   user/key -> data
> 
> to scale indefinitely.

I know a company that hit the inode reference count limit, 32766 (or
maybe 65534) subdirectories of a single directory!

I suspect that a linear search may actually be the fastest form
of lookup for 'normal' directories - ie those smaller than a block.

	David

-- 
David Laight: [email protected]