This example shows how to take the output of a RethinkDB changefeed and send it to Plottico, a microservice that generates embeddable streaming graphs. This example uses Plottico's hosted infrastructure, but you can also self-host your own Plottico server using the code from Plottico's GitHub repository.
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October 5, 2018 08:22
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Pipe data from a RethinkDB changefeed into Plotti
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| require "net/http" | |
| require "rethinkdb" | |
| include RethinkDB::Shortcuts | |
| conn = r.connect() | |
| changes = r.db("rethinkdb").table("stats").get(["cluster"]) | |
| .changes()["new_val"]["query_engine"].run(conn) | |
| changes.each do |stats| | |
| data = [stats["queries_per_sec"], | |
| stats["read_docs_per_sec"], | |
| stats["written_docs_per_sec"]].join(",") | |
| Net::HTTP.get(URI.parse("http://plotti.co/mygraph?d=#{data}")) | |
| end |
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| <html> | |
| <body> | |
| <h1>RethinkDB Plotti Sample</h1> | |
| <object data="http://plotti.co/mygraph/plot.svg" type="image/svg+xml"></object> | |
| </body> | |
| </html> |
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