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@amir343
amir343 / CQRS_ES_Actor.scala
Created March 6, 2012 12:35 — forked from viktorklang/CQRS_ES_Actor.scala
CQRS and EventSourcing using Akka Actors
import scala.collection.mutable.ListBuffer
import akka.actor.{Actor,ActorRef}
import akka.actor.Actor._
import akka.routing.{ Listeners, Listen }
//Represents a domain event
trait Event
//A builder to create domain entities
trait EntityBuilder[Entity] {
@amir343
amir343 / latency.txt
Created May 31, 2012 11:02 — forked from jboner/latency.txt
Latency numbers every programmer should know
L1 cache reference 0.5 ns
Branch mispredict 5 ns
L2 cache reference 7 ns
Mutex lock/unlock 25 ns
Main memory reference 100 ns
Compress 1K bytes with Zippy 3,000 ns
Send 2K bytes over 1 Gbps network 20,000 ns
Read 1 MB sequentially from memory 250,000 ns
Round trip within same datacenter 500,000 ns
Disk seek 10,000,000 ns