Production-ready 40 Hours Cassandra Training
Duration: 40 Hours
1. Intro to NoSQL and Cassandra
What is Big data?
Big data characteristics
Three V's of Big data
Data Volume
Data Velocity
Data Variety
Evolution of Data
Features of Big Data
RDBMS Limitations
What is NoSQL?
RDBMS vs NoSQL
Need of NoSQL
Types of NoSQL
CAP Theorem Principle
Why NoSQL
Why NOT NoSQL
Advantages of NoSQL
What is not provided by NoSQL
Where to use NoSQL
Where not to use NoSQL
What is Cassandra?
History of Cassandra
Cassandra & Parents
Strengths & Weakness
Why use Cassandra?
What is Apache Cassandra?
Cassandra Characteristics
Where to use Cassandra?
Where not use Cassandra?
Top Use Cases
Some Cassandra Users
Features of Cassandra
Advantages of Cassandra
Where to get Cassandra Distribution?
2. Advanced Cassandra Architecture and Terminology
Cassandra Architecture
Architecture Overview
Single Data Center
Multi Data Centers
Local Persistence Components
Cassandra Write Path
Cassandra Read Path
Cassandra Terminology
Rack
Data Center
Partitioning
Replication
Simple Strategy
Network Topology
Gossip Protocol
Snitches
Row Keys
Token
Virtual Node
Seed Nodes
Quorum Consistency
Tunable Consistency
Write Consistency
Read Consistency
Read Repair
Hinted Handoff
Time to Live
Tombstones
3. CQL Overview and Data Modeling
Introduction to CQL
CQL Datatypes
Creating Keyspaces
Creating Tables
Choosing columns and types
Choosing primary keys and partition keys
Time to live (TTL)
Querying with CQL
CQL updates, deletes
Collections (list / map / set
Understanding Data Modeling in Cassandra
Understanding Secondary Indexes
Creating and using secondary indexes
Composite keys (partition keys and clustering keys)
CLUSTERING ORDER BY
Filtering results and ALLOW FILTERING
Time series data
Best practices for time series data
Counters
Lightweight transactions (LWT)
Data Modeling Guidelines
4. Installation and Single-node/Multi-node Configuration
Understand Cassandra versioning
Downloading Cassandra
Configuration for a Single-Node Cluster
Configuration for a Multi-Node Cluster
Installing Cassandra
Viewing the Main Configuration File
Providing Cassandra with Permission to Directories
Setup Property File
YAML file fundamentals
Starting Cassandra
Checking Status
stopping Cassandra
Accessing the Cassandra system.log File
Understanding Ways to Communicate with Cassandra
Connecting Cassandra CLI using Cqlsh
5. CQL CURD Operations
Understanding a Cassandra Database
Defining a Keyspace
Creating a Table
Defining Columns and Data Types
Defining a Primary Key
Recognizing a Partition Key
Specifying a Descending Clustering Order
Understanding Ways to Write Data
Using the INSERT INTO command
Using the COPY command
Seeing How Data is Stored in Cassandra
Seeing How Data is Stored on Disk
Updating Data
Understanding How Updating Works
Deleting Data
Understanding Tombstones
Using TTLs
6. Commissioning and Decommissioning of a node
Understanding Cassandra Nodes.
Having a Network Connection
Specifying the IP Address for a Node
Specifying Seed Nodes
Bootstrapping a Node
Cleaning Up a Node
Stress testing using Cassandra-stress
Understanding Removing a Node
Decommissioning a Node
Putting a Node Back into Service
Removing a Dead Node
7. Moving or Cloning a node
Understanding Cloning of a node
Node Cloning using nodetool refresh
Node Cloning using SStable loader
3-node cluster to 1-node cluster
3-node cluster to 2-node cluster
8. Maintenance / Anti-entropy operations or Repairing Nodes
Understanding Repair
Modify the replication factor of a keyspace
Repairing Nodes using nodetool repair
Understanding Consistency
Understanding Hinted Handoff
Understanding Read Repair
9. Configuring a Cluster for Multiple Data Centers
Redefining for Multiple Data Centers
Changing Snitch Type
Modifying Cassandra-rackdc.properties
Changing Replication Strategy
10. Cassandra Backup & Restore
Understanding Cassandra Backup
Understanding Cassandra restore process.
Backup using nodetool snapshot
Cassandra Incremental backup process
Cassandra node restoration process
Understanding backup and restore shell script.
Automate or schedule a backup process.
11. Cassandra Version Upgrade & Uninstallation
Understanding Cassandra software versioning
Install new version, Cassandra, using tarball file.
Changing or modifying configuration files
Run nodetool upgradesstables
Check the logs for warnings, errors, and exceptions.
Check the status of the cluster.
Understanding Cassandra software uninstallation
Removing configuration files
Cleaning up log files
12. Monitoring and Performance Tunning
Fundamentals
Common mistakes
Tombstones
Avoiding hotspots
GC settings
Diagnosing
Monitoring
Nodetool Commands
Understanding JMX and Important Monitoring KPI's
Read throughput.
Write throughput.
Read latency.
Write latency.
Key cache hit rate.
Disk space used.
Disk space used by a table.
Complete Compaction Tasks
Pending Compaction Tasks
GC metrics
Exception counts
Timeouts exceptions
Unavailable exception count (required node unavailable)
Pending tasks (count of tasks waiting in queue
Currently Blocked task (count of tasks that are blocked)
Understanding Cassandra Monitoring Tools
Using nodetool
Prometheus Overview
Using Prometheus
Grafana overview
Using Grafana
Learning About OpsCenter
13. Cassandra Compaction, Best practices & Practical Considerations
Cassandra Compaction
Choosing and Implementing compaction strategies
Cassandra best practices (compaction, garbage collection
Dealing with Write Failure
Unavailable Nodes and Node Failure
Requirements for Write Operations
Key and Row Caches
Cache Overview
Usage Guidelines
Multi-Data Center Support
Overview
Replication Factor Configuration
Additional Consistency Levels - LOCAL/EACH QUORUM
Deletes
CQL for Deletion
Usage Guidelines
most common errors
Reporting a bug or issue on Jira
Most Common Interview Questions
Certified
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