Archived from groups: microsoft.public.windowsxp.general (
More info?)
The small compressed files are faster to read is a common misconception.
The file is read, uncompressed, and then is typically written back in its
full size to the swap file while using it. So you are actually reading and
writing more than before.
Another misconception is that your files WILL compress.
Many file formats that take large amounts of space are already compressed.
MP3 Mpeg AVI etc...
In fact compressing them can actually make them grow.
I once ran hard compression on 3.2 GBs of MPEGS. Apox 250 files of a tech
conferance. After 2 hours of proccessing I gained a whopping 120 MBs of
space.
Compression is really only useful on a file or folder level basis and on
files that take compression well, like txt, doc, ppt etc....
"Ken Blake" <kblake@this.is.an.invalid.domain> wrote in message
news:ebA5qxIkFHA.3656@TK2MSFTNGP09.phx.gbl...
> In news:%23ApcQqDkFHA.2916@TK2MSFTNGP14.phx.gbl,
> Manny Borges <manny_borges@hotmail.com> typed:
>
>> Don't compress the drive.
>> Entire drivecompression went out with Stacker in 96 becase
>> decomression adn compression happens fo every file used and take CPU
>> time. C: typically holds your OS, so compressing this is a uge
>> performance
>> hit..
>
>
> Although it takes CPU time to compress and uncompress the files, on the
> other hand the compressed files are smaller and take less time to read and
> write. So there's a tradeoff. Which of the two factors is more significant
> depends on the realtive speeds of the CPU and disk drive, but on most
> modern systems, it's a near wash, and there isn't a big difference either
> way.
>
> I would never choose to compress a drive if I had any reasonable choice,
> but for an entirely different reason. All the files on a compressed drive
> are essentially in a single file and if anything happens to that file
> (either hardware or software corruption), *all* its contents are lost.
> That's too big a risk for me.
>
> --
> Ken Blake - Microsoft MVP Windows: Shell/User
> Please reply to the newsgroup
>
>
>>
>> Hardrives are cheap enough, and a better solution.
>>
>> "yakis" <yakisGenghis@empire.com> wrote in message
>> news:42e36577$0$60261$dbd43001@news.wanadoo.nl...
>>> Hi All,
>>> Can I compress my C:\ drive (system drive) and keep my system stable
>>> with the compress C:\? I am running with low disk space on C:\.
>>> My OS : Windows XP Pro SP2 running MASP and NAV2005.
>>> Thanks
>>> yakis
>
>
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