Cosmos DB Troubleshooting¶
This section provides troubleshooting guidance for Azure Cosmos DB issues in Cloud Scale Analytics environments.
Overview¶
Azure Cosmos DB is a globally distributed, multi-model database service. This guide helps resolve common issues encountered in analytics workloads.
Common Issues¶
Performance¶
- Query Performance - Slow queries and optimization
- RU Optimization - Request Unit consumption issues
Data Management¶
- Partitioning - Partition key issues and hot partitions
Quick Diagnostics¶
High RU Consumption¶
- Check query patterns for cross-partition queries
- Review indexing policy
- Analyze partition key distribution
- Monitor throughput utilization
Slow Queries¶
- Enable query metrics
- Check for missing indexes
- Review partition strategy
- Optimize query structure