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Re: [p2-dev] Use of uncompressed metadata repositories

The primary concern for uncompressed repositories would be network traffic and to a lesser extent disk footprint.

Dean Roberts, J9 Java Class Library Team
IBM Ottawa Lab
613-356-5099
Dean_Roberts@xxxxxxxxxx




Igor Fedorenko <ifedorenko@xxxxxxxxxxxx>
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11/17/2010 12:37 PM

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Re: [p2-dev] Use of uncompressed metadata repositories





Can you be more specific about concerns that you have?

--
Regards,
Igor

On 10-11-17 10:00 AM, Dean Roberts wrote:
> Hi folks,
>
> I am trying go get a feel for how widely used uncompressed metadata
> repositories are.
>
> A typical content.xml file contains many copies of identical license
> text. Memory use is not an issue since the implementation uses a
> StringPool to extern string references. Compressed repositories do not
> present an issue for disk foot print or network traffic as the
> content.xml compresses extremely well, typically 95% or more.
>
> However, uncompressed metadata repositories may pose a significant
> concern here if they are widely used.
>
> So does anybody have an opinion on how widely used uncompressed
> repositories are?
>
> Thanks
>
> Dean Roberts, J9 Java Class Library Team
> IBM Ottawa Lab
> 613-356-5099
> Dean_Roberts@xxxxxxxxxx
>
>
>
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