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samples.earth

About

This is a simple code base to test working with millions of samples to simulate an environment to test use of structured data on the web to support IGSN Sample registration.

Programs

Sample generator

Build a simple tool to make 2 million samples.

Sample presenter (simple web server with landing pages)

Build a simple web site with landing pages and a sitemap.xml

Then use Gleaner to harvest it and make an index.

Need a "sampleRegister" that reads the sitemap and pulls the required registering information (and reads the time stamps)

IGSN sample schema git repo

Pull down Simons git repo for samples.

Sitemap

  • limit 50K URL per sitemap
  • URL can be another sitemap but only 50K again, so limit is 50K^2 or 2.5 B
  • To support 1 million samples will require 20 sitemaps in an index.

The base sitemap is:

<url>
      <loc>http://www.example.com/</loc>
      <lastmod>2005-01-01</lastmod>
      <changefreq>monthly</changefreq>
      <priority>0.8</priority>
</url>

Of these we will likely use only the first two though the others can have optional meaning to the approach.

Command notes

go run main.go
IGSN sample generator
Task (1000000/1000000) 2h23m14s [====================================================================] 100%

Docker notes

docker run -p 127.0.0.1:$HOSTPORT:$CONTAINERPORT --name CONTAINER -t someimage