Apache Cassandra – Beyond the Basics Apache Cassandra: A Tutorial Ben Coverston Oct 20, 2014 ©2014 DataStax. Use only with permission. Slide 1 What are our learning objectives? •  Introducing big data and Cassandra •  Understand big data •  Describe Cassandra •  Understand common use cases ©2014 DataStax. Use only with permission. Slide 2 What are our learning objectives? •  Introducing Cassandra tools •  Configure nodes and clusters using Cassandra Cluster Manager (CCM) •  Introduce and use cqlsh shell commands •  Introduce and use nodetool •  Populate and test nodes using cassandra-stress •  Identify additional Cassandra tools ©2014 DataStax. Use only with permission. Slide 3 What are our learning objectives? •  Understand Cassandra's internal architecture •  Understand how requests are coordinated •  Understand replication •  Understand and tune consistency •  Introduce anti-entropy operations •  Understand how nodes communicate •  Understand the system keyspace ©2014 DataStax. Use only with permission. Slide 4 What are our learning objectives? •  Introducing the Cassandra Data Model and Cassandra Query Language (CQL) •  Describe the Cassandra data model •  Introduce cqlsh (CQL Shell) •  Describe the DDL subset of CQL •  Describe the DML subset of CQL •  Understand the basics of data modeling for Apache Cassandra ©2014 DataStax. Use only with permission. Slide 5 What are our learning objectives? •  Working with the Cassandra write path •  Understand how data is written to the storage engine •  Understand the data directories ©2014 DataStax. Use only with permission. Slide 6 What are our learning objectives? •  Working with the Cassandra read path •  Understand how data is read from the storage engine •  Read data from Cassandra ©2014 DataStax. Use only with permission. Slide 7 What are our learning objectives? •  Understand compaction •  Understand tombstones and deletion •  Understand compaction and its necessity •  Choose and implement compaction strategies ©2014 DataStax. Use only with permission. Slide 8 What are our learning objectives? •  Introducing hardware planning and troubleshooting •  Introduce best practices in hardware implementation •  Introduce troubleshooting resources ©2014 DataStax. Use only with permission. Slide 9 Resources •  Planet Cassandra •  http://planetcassandra.org/ •  DataStax Software Downloads •  http://www.datastax.com/download •  DataStax Cassandra Documentation •  http://www.datastax.com/docs •  DataStax Cassandra Dev Blog •  http://www.datastax.com/dev/blog •  Cassandra Support Forum •  http://stackoverflow.com/questions/tagged/cassandra •  Apache Cassandra Wiki •  http://wiki.apache.org/cassandra/ •  Apache Cassandra Project •  http://cassandra.apache.org/ ©2014 DataStax. Use only with permission. Slide 10