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From: Dave Froble <davef@tsoft-inc.com>
Newsgroups: comp.os.vms
Subject: Re: Apache + mod_php performance
Date: Thu, 3 Oct 2024 15:16:29 -0400
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On 10/2/2024 9:57 PM, Arne Vajhøj wrote:
> On 10/2/2024 9:18 PM, Lawrence D'Oliveiro wrote:
>> On Wed, 2 Oct 2024 20:51:54 -0400, Arne Vajhøj wrote:
>>> On 10/2/2024 8:44 PM, Lawrence D'Oliveiro wrote:
>>>> The C runtime can wrap it in the same sort of thing it does for any
>>>> other channel.
>>>
>>> It would have to reimplement a lot of RMS functionality to be able to
>>> properly work with VMS files in an efficient manner.
>>
>> I don’t see why RMS needs to come into it at all. RMS seems like a poor
>> fit for the whole stdio/POSIX I/O model.
>
> Process A creates a text file and start writing to it, process A send
> the channel to process B, process B want to write more data to it.
>
> B send "ABC\n" to wrapper.
>
> What does the wrapper write to disk?
>
> RFM=STMLF : 0x41 0x42 0x43 0x0A
> RFM=VAR : 0x03 0x00 0x41 0x42 0x43 0x00
> RFM=VFC : ...
> RFM=FIX MRS=512 : ...
>
> And that is just for sequential files. We also got index-sequential
> and relative files.
>
> Yes - C IO and RMS IO are not easy to align, but we have RMS whether we like it
> or no.
>
> Arne
>
>

And if you don't like RMS?

DAS and VIO are two products that I have some passing familiarity with.

-- 
David Froble                       Tel: 724-529-0450
Dave Froble Enterprises, Inc.      E-Mail: davef@tsoft-inc.com
DFE Ultralights, Inc.
170 Grimplin Road
Vanderbilt, PA  15486