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Akka Scala Days 2010 - Presentation Transcript Akka: Simpler Concurrency, Scalability & Fault-tolerance through Actors Jonas Bonér Viktor Klang Tuesday, April 20, 2010 We believe that... ⢠Writing correct concurrent applications is too hard ⢠Scaling out applications is too hard ⢠Writing highly fault-tolerant applications is too hard Tuesday, April 20, 2010 It doesnât have to be like this We need
Weâre all quite used to having log files on lots of servers, in disparate places. Wouldnât it be nice to have centralized logs for a production system? Logs that can be queried? I would encourage everyone to consider using MongoDB for log centralization. Itâs a very good fit for this problem for several reasons: MongoDB inserts can be done asynchronously. One wouldnât want a userâs experience
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require 'rubygems' ###################################################################### ### ActiveRecord (PostgreSQL) require 'active_record' ActiveRecord::Base.establish_connection(:adapter=>"postgresql", :database=>"jpop", :user=>"maiha") module PG class Song < ActiveRecord::Base # Indexes: "index_songs_singer" btree (singer) end end # p PG::Song.count # => 64482 ##############################
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