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Subject: Re: FILE system speeds

Author: Frank Meißen

Date: 04:52:21 01/10/01

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On January 10, 2001 at 00:06:22, Jeremiah Penery wrote:

>On January 09, 2001 at 20:56:17, Eugene Nalimov wrote:
>
>>On January 09, 2001 at 19:12:23, Dann Corbit wrote:
>>
>>>On January 09, 2001 at 19:08:43, Eugene Nalimov wrote:
>>>
>>>>On January 09, 2001 at 18:49:06, Vincent Diepeveen wrote:
>>>>
>>>>>Hello,
>>>>>
>>>>>For partitions under NT2000 i can chose out of 2
>>>>>different formats: either NTFS or FAT32,
>>>>>
>>>>>I don't know exactly how the file systems internally work,
>>>>>but i wonder about next
>>>>>  a) what is the difference between the 2
>>>>>  b) what is the fastest file system to read and write huge
>>>>>     files (several gigabytes: about 2.5 gigabyte) with?
>>>>>
>>>>>Thanks,
>>>>>Vincent
>>>>
>>>>FAT32 is faster than NTFS, but NTFS is much more robust. I'd recommend NTFS
>>>>despite it relative slowness.
>>>
>>>If you boost the cluster size for NTFS aren't they about the same?
>>
>>No. I believe (and that's from my memory, so of course I can be wrong) that when
>>you are writing something to NTFS disk OS is doing something to protect the
>>metadata, i.e. either writing it to disk immediately, or writing the transaction
>>into the transaction log on the disk, or doing something similar. That means
>>that it's much harder to totally lose the information in the case of power or
>>some other failure, but also means that all the writes are much slower than for
>>the FAT[32] case.
>>
>>All journal/logging file systems have that speed disadvantage, not only NTFS.
>
>It is possible to turn all the I/O logging off under Win2k though, isn't it?
>
>I believe I read this somewhere, and there was a registry patch that supposedly
>did this, but I still don't know quite enough about the internal workings of the
>OS to know whether it did anything.

Look at
http://win2000tips.home.att.net/Tipstricks.htm#Turn Diskpref Off:

Frank



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