MongoDB University

This is repository contains almost all course materials in MongoDB University. All course is free and great for anybody who have plan to be certified.

Data Wrangling

• Data extraction fundamental
• Data extraction fundamental - Problem set

Certification Preparation

DBA

• Application administration
• Data administration
• Journaling
• Wired tiger storage engine

Security

Authentication

• Scram-SHA-1
• Migrate from MONGODB-CR to SCRAM-SHA-1
• X.509
• LDAP
• Kerberos

Authorization and Encryption

• Built-in roles
• User-defined roles
• Encryption at rest

Auditing and Best Practice

• Auditing
• Log reduction
• Security checklist

Diagnostics and Debugging

• Server logs
• Server status
• mtools
• Server diagnostic tools
• Profiler
• Index statistics
• Response time degradation
• Throughput drops
• Impact of application changes
• Slow queries
• Fixing missing index
• Connection timeout
• Connectivity
• Sharding issues
• Schema investigation

Basic Cluster Administration

• Good Shard Key Criteria
• Config server
• Primary shard
• Shard merge
• Multi mongos
• Hashed shard key
• Hashed shard key Pros and Cons

Performance

• Recommended architecture
• Rule of thumb optimization
• Indexing benchmark
• Multi key indexes
• Data type order
• Data type tree
• Routed query
• Limit and skip
• Limit and skip merge
• Scatter and gather
• Sorting
• Sorting and merge
• Bulk write parallel
• Bulk write sequential
• Suggested architecture
• Geographical architecture

Aggregation Framework

• Filter visualization
• Pipeline stages visualization

Tricks

• Create dummy ethernet