~/talk

Summingbird: A Streaming Map-Reduce API for Storm, Hadoop, & More

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Summingbird is a Scala library that expresses streaming map-reduce as composable producers and planners, running on Storm, Hadoop and planned Spark backends; it encodes reductions as semigroups/monoids and ships a large algebra library (algebird) plus a store combinator layer (Storehouse). Implementations back existing Twitter pipelines processing billions of events a day, use sketching (HyperLogLog, Count-Min) for approximate counts, emit platform-specific plans, and support stores like Redis, Memcached, MySQL and Cassandra while sharing graph optimizations.

AI-written summary · about

  1. 0:00Intro
  2. 1:09What was the problem
  3. 3:23Why use Storm
  4. 4:55The problem domain
  5. 8:19The stores
  6. 9:28The signatures
  7. 11:25Mono aids
  8. 15:34Producer
  9. 17:34Reductions
  10. 23:59Store implementations
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