[Info-vax] VMS - The new file system. What do we know about it?...

[David Froble]

Hans Bachner wrote:
> David Froble schrieb am 13.11.2016 um 19:28:
>> Michael Moroney wrote:
>>> IanD <iloveopenvms at gmail.com> writes:
>>>
>>>> I'm still curious about the new file system
>>>
>>>> What else can be let loose about it?
>>>
>>>> - Will existing RMS work with it?
>>>
>>> The idea is that existing RMS will work with it.  The new file system
>>> will
>>> have increased performance, and will work on disks larger than 2TB.
>>
>> I guess my response to this is, what is meant by the word "performance"?
>>
>> Larger disks may be considered performance, but, for me, it would be
>> work per unit of time.  While there may be room for improvement,
>> software isn't going to cause a disk to turn and / or transfer quicker.
>> With a significant cache, the disk speeds aren't nearly as much of an
>> issue any more.
> 
> Andy Goldstein demoed creation and deletion of a large number of files. 
> I don't have the numbers at hand, but it was like create a file/write a 
> record/close the file and do this 1000 or 5000 times was 3 to 4 times 
> faster than on ODS-5.
> 
> Especially with increasing volume sizes this seems definitely good news 
> to me.
> 
> Hans.

So, basically, better performance with directory operations?  Ok, that's good. 
But when I got my database open and applications are using it, how much better 
I/O, if any, will there be?

Directory operations have never been an issue for me.