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1. Version 1.0
Redash and Cassandra
In Cassandra Lunch #81, we will discuss how we can use Redash to
do BI on Cassandra data
Arpan Patel
Engineer @ Anant

2. Redash
● Open Source BI tool designed to enable anyone,
regardless of the level of technical sophistication, to
harness the power of data big and small
● Fast Setup: AWS EC2 AMI, DigitalOcean, Google
Compute Engine Image, and Docker
● Browser-based: Everything in your browser, with a
shareable URL.
● Ease-of-use: Become immediately productive with
data without the need to master complex software.
● Sharing: Collaborate easily by sharing visualizations
and their associated queries, enabling peer review of
reports and queries.
● Schedule refreshes: Automatically update your charts
and dashboards at regular intervals you define.

3. Redash Cont.
● Query editor: Quickly compose SQL and NoSQL
queries with a schema browser and auto-complete.
● Visualization and dashboards: Create beautiful
visualizations with drag and drop, and combine them
into a single dashboard.
● REST API: Everything that can be done in the UI is
also available through REST API.
● Broad support for data sources: Extensible data
source API with native support for a long list of
common databases and platforms.
● Alerts: Define conditions and be alerted instantly
when your data changes.

4. Demo
● Spin up Redash on Digital Ocean
● Spin up Scylla Cloud
● Add data to Scylla and connect to Redash
● Write some queries and create a Dashboard
● Discuss Metabase vs Redash for Cassandra

5. Strategy: Scalable Fast Data
Architecture: Cassandra, Spark, Kafka
Engineering: Node, Python, JVM,CLR
Operations: Cloud, Container
Rescue: Downtime!! I need help.
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