Presentation to a combined meetup of Bay Area Lisp and Bay Area Clojure groups. Presented three Clojure projects at BackType:
Cascalog - Batch processing in Clojure
ElephantDB - Database written in Clojure
Storm - Distributed, fault-tolerant, reliable stream processing and RPC
44. Graph Schema
Reshare: true
Gender: female
Property
Tweet: 456
Property
Reaction
Reactor Reactor
Tweet: 123
Alice
Bob
Property
Property
Content: RT @bob Content: Data is fun!
Data is fun!
45. ElephantDB
Shard 0
Shard 1
Shard 2 Distributed
Key/Value pairs
Shard 3 Filesystem
Pre-shard Shard 4
and index in
Shard 5
MapReduce
Generation of domain of data
46. ElephantDB
DFS ElephantDB
Server
Shard 0
Shard 1
Shard 2 ElephantDB
Server
Shard 3
Shard 4
Shard 5 ElephantDB
Server
Serving domain of data