Einsteinsaal (Green)

This talk will dig into the messaging patterns of ZeroMQ, a "socket
library, that acts as concurrency framework". We will start by using ZeroMQ messages for creating a Least Recently used router. Using a ZeroMQ device we will then create a N-M router that serves as proxy between many masters and many slaves. Finally the Mongrel2 messaging architecture will show how to emulate an asynchronous request/response pattern.

RabbitMQ is emerging as good solution for open source messaging in modern architectures. This opens new challenges on how to implement integration patterns in order to go beyond simple produce/consume applications. In this presentation we will show how to implement several messaging patterns using RabbitMQ as backend technology such as:

- Competing consumers
- RPC
- Parallel RPC
- Smart Proxy
- Publish/Subscribe

The examples will be give using standard AMQP commands so the attendee can translate them later to her favorite RabbitMQ/AMQP client.

Analysis of a causal or time series relationship between two data sets (or functions) is important for fields from yield optimization to signal processing, stock market analysis to functional genomics, and many other applications.

This talk describes an algorithm developed by Karmasphere Labs for performing the entire family of cross correlation algorithms on arbitrarily large data sets. The algorithm supports wide or even unbounded windowing functions.

ZooKeeper started as an internal Yahoo project. After being released as free software to the Apache foundation it became a critical building block of well known systems like HBase, Cassandra, Neo4j and SOLR and many more lesser known but critical systems at linkedin, yahoo, facebook and rackspace. Despite being so useful and important, most people are not aware of the hard working ZooKeeper.

ZooKeeper helps you to supervise the availability of processes (heartbeat), to implement distributed locking, leader election, central configuration and reliable messaging.