Re: Performance

[diego pemas net]

>>
>> Why not maintain a cache of mime-types, for all non-recently modified
>> files ? Certainly would speedup things a lots on big $HOME and such.
>
> I don't like caches like this. They use a lot of memory that might not
> be needed, and there can be all sorts of problems if the cache go stale
> and contain invalid data. Keeping the cache not invalid often takes as
> much time as what you were trying to avoid doing by cacheing.

what about storing the mime type in an extended attribute if the file
system supports them. If the file system doesn't it will work as always
has (doing mime type sniffing) but if there is an EA containing the mime
type we would have to go trouht the sniffing process, and thus it would be
faster.