The most frequently collected data includes:

• Azure Storage latency
• Volumes of traffic and throttling errors for Azure Storage
• Azure SQL Database connection failures
• Azure SQL Database DTU rates
• Excessive Azure SQL Database resource utilization
• Query performance
• Volumes of database requests
• Azure SQL Database deadlocks
• Service bus latency
• Service bus connection refusals and throttling
• Service bus failed requests and poison messages
• Event hub quota exceptions
• Event hub check-pointing failures and lease takeovers