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meh
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 Dependencies
 Project Readme

Seapig¶ ↑

Nothing here yet.

To cover:

  • what are seapigs and why they exist? (why not just having a db table?)

  • properties of seapig system

    • data is cached in memory

    • only diffs are sent

    • data is generated in separate processes

    • data gets regenerated on dependency change (immediately on db change)

  • describe current limits

    • one level deps only

    • single object can have at most one generation process running at all times

    • cache is dropped when last client unlinks

    • no client-side timeout detection

    • postgres only (but is that really a problem? ;))

  • graph of server/client side seapig object states

  • disclaimer on non-efficient code. it’s all a draft, a test of idea.

  • rails not needed

  • stuff will change

  • seapig = firebase for apps that need real db

  • works nicely with mithril

  • how to use this shit

    • dummy app is a minimal demo

    • bundle exec rails s

    • bundle exec ruby ../../bin/seapig-server.rb

    • bundle exec ruby ../../bin/seapig-worker.rb ws://127.0.0.1:3001/seapig

    • bundle exec ruby ../../bin/seapig-notifier.rb ws://127.0.0.1:3001/seapig

    • application.js needs: require seapig/seapig

    • application.js needs: require json-patch

    • ActiveRecord models that are used for triggering regeneration of data need:

      • acts_as_seapig_dependency

      • and seapig_dependency_changed after commits