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Date: Tue, 03 Sep 2013 10:08:57 +0200
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Subject: Re: [discussion] smaller footprint on dist.
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On 9/3/13 6:40 AM, janI wrote:
> On Sep 3, 2013 3:13 AM, "sebb" <sebbaz@gmail.com> wrote:
>>
>> On 2 September 2013 18:26, janI <jani@apache.org> wrote:
>>> On 2 September 2013 15:48, Andrea Pescetti <pescetti@apache.org> wrote:
>>>
>>>> janI wrote:
>>>>
>>>>> Would it be possible (and preferable) to make a download page, where
> the
>>>>> user.
>>>>> a) selected version (exe)
>>>>> b) selected (multiple) languages (language pack without dictionary)
>>>>> c) selected (mutiple) dictionaries.
>>>>> The choices should be combined into a filename == exe+lang(s)+dict(s).
>>>>> Which is sent to the server as a download request.
>>>>> On the server we would have a backend script that packed the items
>>>>> together
>>>>> just like postprocess/instsetoo does today, so the user would get 1
> file.
>>>>>
>>>>
>>>> Obviously this is not for 4.0.1. What I like of this proposal is that
> the
>>>> user still downloads one file, which is optimal for the user interface.
>>>>
>>>> A beginning could be to simply assemble the same downloads we have now
>>>> (i.e., the user has no choice: he will get, say, the Italian version
> with
>>>> Italian language and dictionary; only, this will be generated rather
> than
>>>> pre-built).
>>>>
>>>> Then there are a lot of things to consider:
>>>>
>>>> 1) Digital signatures: the assembled installer must respect them, and
> this
>>>> seems hard to do.
>>>>
>>> As far as I have been able to find out (with the good help of infra
>>> colleagues) is:
>>> - Only exe have a digital signature
>>
>> That does not sound right.
>> All other ASF downloads (source archives, binary archives etc) have
>> PGP signatures, which are created by the Release Manager.
>>
>> Or maybe you mean something else by "digital" signature?
> 
> yes signing with a certificate. pgp is at level with mds/sha5.

we have *.asc, *.md5, *.sha256 for each released file, the binaries, the
language packs, the src release, the SDK

And for Windows we have a self extracting exe file that can be installed
with one click. Ok 1 click to start the install procesdure.

Juergen


> 
>>
>>> meaning this has no impact.
>>>
>>> But it DO have an impact on checksums, where we need to store all
>>> combinations (lots of files, each very small).
>>>
>>>
>>>>
>>>> 2) Server-side processing: this would likely require some load on the
>>>> mirrors and some infrastructure standardization. I don't know what's
> the
>>>> status on Apache mirrors.
>>>>
>>> The server side, processing would happen on "our" server, and the files
>>> would still be located on the mirrors
>>>
>>> Basically the server side scropt, would "split" the file request into
>>> multiple requests.
>>
>> If "our" server does the concatenation, surely it will have to
>> intercept all the data from the mirror?
>> That would put a huge network load on the server, no?
> depending how you make it.
> 
> rgds
> jan i
>>
>>>
>>>> 3) Respecting the priorities. Apache is a secondary mirror system,
> since
>>>> the Apache mirrors don't have enough space/bandwidth to reliably offer
>>>> downloads. So whatever is done should not cause technical issues with
> our
>>>> primary mirror system (SourceForge), that never had space/bandwidth
>>>> problems. Note that also the Apache Archives never reported problems
> so far
>>>> about the space needed to archive old/current releases.
>>>>
>>>
>>> The problem is only partial the space itself, much more the size of each
>>> release. With a distributed system (like suggested) we can independently
>>> release language packs, and the user sees them as integrated in the main
>>> AOO release.
>>>
>>> rgds
>>> jan i.
>>>
>>>>
>>>> Regards,
>>>>   Andrea.
>>>>
>>>>
>>>>
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