Speaker: Ernesto Ongaro, Senior Sales Engineer at Jaspersoft Video: http://www.youtube.com/watch?v=kyrtr6i4Ng0&list=PLqcm6qE9lgKLoYaakl3YwIWP4hmGsHm5e&index=4

1. Leveraging the Power of Cassandra:
Operational Reporting & Interactive
Analysis
Ernesto Ongaro
BI Consultant Jaspersoft

2. Agenda
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Requirements for Cassandra reporting and analysis
Current state of reporting and analysis
Architectural approaches
Demo
Q&A
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3. Requirements for Cassandra
reporting and analysis
 People want access to the data in Cassandra
 Most consumers of data are not technical
 Traditional reporting and analytics tools don’t work with
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
Cassandra
Building reports from scratch is not easy or fun
Providing ad-hoc analytics is very complicated
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4. Current State of Reporting &
Analytics
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Connectors are for RDBMS only
Expensive
Desktop
Standalone
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5. Advantages to using a reporting
and analysis framework
Build it yourself
Use a framework
Visual report designer
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✔
Security
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Scheduling
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Web access
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API
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Self-service queries
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Charting libraries
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Metadata layer
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Input controls
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Flexibility
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✔
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6. Architectural Approaches
 Four methods to visualize your Cassandra data
① ETL Approach (Extract, Transform, Load)
② Direct access reports and dashboards
③ Direct access data exploration
④ 1-3 with Hadoop Hive
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7. 1 – ETL Approach
 Most traditional

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
approach
Data is extracted via
batch method
Option with most
connectors
ETL process is most
robust option
BI Platform
SQL
ETL
RDBMS
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8. JaspersoftETL
 Powered by
 Over 450 connectors
 Data quality, transformations, aggregations
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9. 2 – Direct Access Reports and
Dashboards
 Reports are developed
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using Jaspersoft Studio
(Eclipse based designer)
Lowest latency
Good supplement to ETL
when “near time” is
required
Connector based on
https://github.com/Netflix/
astyanax
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BI Platform
CQL3 Native
Connector
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10. Example Dashboard
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11. 3 – Direct Access Exploration
 Allows users to

explore data (vs
pre-defined reports
+ dashboards)
Loads results of a
query into memory
where further
filtering, grouping
and agg. occurs
In Memory
OLAP Engine
BI Platform
CQL3 Native
Connector
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12. Example OLAP View
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13. 4 – Hadoop Hive
 Good for massive


data
Batch process
Native Hadoop
Hive connector as
well
BI Platform
HQL
SQL
ETL
RDBMS
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libhive

14. Demonstration
Demo flow:
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Example Dashboard +
report
Jaspersoft Studio
Ad-hoc Exploration
Demo environment:
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•
Jaspersoft 5.5 – runs on
Tomcat 7
DataStax Enterprise 3.1
(Cassandra 1.2.10.1)
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15. Questions?
www.jaspersoft.com
BigData@jaspersoft.com
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16. Conclusion
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Four different ways to get insights from Cassandra
Commercial open-source software
Get started at http://jaspersoft.com
Thank you!
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