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List:       linux-fsdevel
Subject:    Re: built-in rotating and compressed files: rotfs and zfs
From:       "Charles P. Wright" <cpwright () cpwright ! com>
Date:       2004-01-22 15:59:37
Message-ID: 1074787177.12904.4.camel () arcticfox ! foo
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Look at FiST, which is available from http://www.filesystems.org.  The
FiST package includes gzipfs, a stackable file system that compresses
and decompresses data on the fly.

Charles

On Thu, 2004-01-22 at 10:34, porte64@free.fr wrote:
> Many applications make heavy usage of compressed files
> and some need rotating files.
> 
> Though compression methods are almost stabilized as standards,
> one still does need special tools like zcat to read from them.
> But many applications are not aware of zcat, zcat cannot read
> byte ranges within binary files ...
> 
> Hence a proposal: how about implementing a file compression
> and a file rotation within the kernel ?
> - This would make system calls like read() and write() transparent
>   ... so it would brought transparency to all applications
> - e.g. syslog messages would be compressed on-the-fly, backup
>   utilities would not have to delay job queues due to compression
>   overcost.
> - Humans would not have to bother about disk usage and machine
>   power when uncompressing files.
> 
> So many advantages !
> Now, one open question: is it better to implement this at file
> level (one extra attribute) or at file system level
> (designing zfs and rotfs) ?
> 
> Regards
> Phil
> -
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