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

[Jan-Erik Soderholm]

Den 2016-06-21 kl. 18:18, skrev VAXman- at SendSpamHere.ORG:
> In article <nkbn1q$5cn$2 at Iltempo.Update.UU.SE>, Johnny Billquist <bqt at softjar.se> writes:
>> On 2016-06-19 04:35, David Froble wrote:
>>> Jan-Erik Soderholm wrote:
>>
>>>> Yes, but that is a simple calculation with 1 block = 512 bytes.
>>>> It does not correctly display partially filled blocks. I guess
>>>> that what most here are talking about is the size up to the
>>>> marker. Convering the used/allocated number of blocks is simple.
>>>>
>>>> Jan-Erik.
>>>
>>> I would suggest "what does it matter?"
>>>
>>> It's not like some other file is going to use the unused portion of some
>>> disk block, or, as suggested, unused part of 4096 bytes ....
>>
>> No. But if you implement FTP, or a web server, or any number of other
>> tools/programs, they are expected to report file sizes in bytes, and the
>> byte count should be *accurate*. Even one byte off is not acceptable.
>

A web server probably always has to calculate the number of bytes
sent to get it right. There is many ways that the sent data can be
different then the on-file data and the web page can be "dynamic".

> Why?

In HTTP you can end up with connections staying open and
waiting for that final byte that never comes.