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Introduction to Apache Cassandra
Introduction to Apache Cassandra
Introduction to Apache Cassandra
Introduction to Apache Cassandra
Introduction to Apache Cassandra
Introduction to Apache Cassandra
Introduction to Apache Cassandra
Introduction to Apache Cassandra
Introduction to Apache Cassandra
Introduction to Apache Cassandra
Introduction to Apache Cassandra
Introduction to Apache Cassandra
Introduction to Apache Cassandra
Introduction to Apache Cassandra
Introduction to Apache Cassandra
Introduction to Apache Cassandra
Introduction to Apache Cassandra
Introduction to Apache Cassandra
Introduction to Apache Cassandra
Introduction to Apache Cassandra
Introduction to Apache Cassandra
Introduction to Apache Cassandra
Introduction to Apache Cassandra
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Introduction to Apache Cassandra

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Transcript

  • 1. Cassandra<br />A highly scalable, eventually consistent, distributed, structured key-value store.<br />
  • 2. The cursed<br />oracle of Troy.<br />
  • 3. Structured<br />Key-Value Store<br />
  • 4. Berkely DB, Memcached, etc<br />Name<br />Value<br />
  • 5. Cassandra<br />Super Column<br />Super Column<br />Name<br />Column<br />Name<br />Value<br />
  • 6. Distributed<br />
  • 7.
  • 8. Eventually Consistent<br />
  • 9. Node 1<br />Node 2<br />Node 3<br />Node 4<br />Write<br />
  • 10. Node 1<br />Node 2<br />Node 3<br />Node 4<br />Read<br />
  • 11. Node 1<br />Node 2<br />Node 3<br />Node 4<br />Write<br />
  • 12. Highly Scalable<br />
  • 13.
  • 14.
  • 15. Fault Tolerant<br />
  • 16.
  • 17.
  • 18. Rich Data Model<br />
  • 19. // Column:<br />{ emailAddress: ‘jill@example.com’ }<br />
  • 20. // Super Column:<br />homeAddress: {<br /> // Columns:<br /> street: ‘1234 Example St.’,<br /> city: ‘Santa Cruz’,<br /> state: ‘CA’,<br /> zip: ‘91210’<br />}<br />
  • 21. // Column Family:<br />userProfiles: {<br /> // Rows:<br /> bob2007: {<br /> // Columns:<br /> username: ‘bob2007’,<br /> age: 32,<br /> phone: ‘(818) 555-2345’<br /> },<br />birdHOUSE: {<br /> username: ‘birdHOUSE’,<br /> name: ‘George’,<br /> age: 19<br /> }<br />}<br />
  • 22. // Super Column Family:<br />addressBook: {<br /> // Rows:<br /> bob2007: {<br /> // Super Columns:<br /> Joe: { email:’joe@example.com’ },<br /> Ted: { street:’123 Jump St.’, phone:’555-1234’ }<br /> }<br />birdHOUSE: {<br /> mom: { birthday:’1953-03-07’, phone:’555-7894’ }<br /> }<br />}<br />
  • 23. Time for an example.<br />Any questions?<br />

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