[Info-vax] Re; Spiralog, RMS Journaling (was Re: FREESPADRIFT)

[VAXman- at SendSpamHere.ORG]

In article <nkhaqu$5la$2 at dont-email.me>, David Froble <davef at tsoft-inc.com> writes:
>Johnny Billquist wrote:
>> On 2016-06-23 18:06, VAXman- at SendSpamHere.ORG wrote:
>>> In article <nkgspt$rm$2 at Iltempo.Update.UU.SE>, Johnny Billquist 
>>> <bqt at softjar.se> writes:
>>>> This whole thread came about because some people pointed out that exact
>>>> file sizes, to the byte, sometimes were wanted. And then it's been a
>>>> thread of "why?". And when I give an example of why, it becomes a thread
>>>> of "why?".
>>>>
>>>> Yes, I know VMS couldn't care less. RSX also couldn't care less. Me,
>>>> writing an http server (as well as an ftp server), do care. And doing
>>>> these things, which many people consider to be pretty basic tools that
>>>> all systems should have, is a pain because the file system do not have
>>>> this information.
>>>>
>>>> Yes, there are solutions. They are costly. Could there possibly be a
>>>> point in adding this information, if it can be done at a low cost?
>>>>
>>>> You are just putting your head in the sand and saying that since it's
>>>> not there, we don't need it.
>>>
>>> Why pay for it when you don't need it?  Pay for it when you do!
>> 
>> Which, for a web server, is every time a document is requested, which 
>> might mean a dozen requests for a single page. And that is just one 
>> example. And for a 10M document, calculating the size every time is 
>> pretty costly... Reading through 10M to find the size, and then read 
>> through it again, to deliver it. Color me not-excited.
>> 
>>     Johnny
>> 
>
>Why would you read through it twice?  With a few exceptions, read it into 
>memory, then transmit it.  Something you got to do anyway.  Perhaps just 
>re-ordering the task.
>
>Too big?  Got to ask, what's wrong with doing things in segments?  Maybe not how 
>the *ix world does things.  Who's to say they are always right?

The *ix world believe they are always right.
-- 
VAXman- A Bored Certified VMS Kernel Mode Hacker    VAXman(at)TMESIS(dot)ORG

I speak to machines with the voice of humanity.