We monitor the following metrics:
- azure.sql_managed_instance.health
- azure.sql_managed_instance.cpu.percent
- azure.sql_managed_instance.used_storage.mb
- azure.sql_managed_instance.bytes_read.bytes
- azure.sql_managed_instance.reserved_storage.mb
- azure.sql_managed_instance.bytes_written.bytes
Common Errors when Monitoring Azure SQL Managed Instances
Connection Issues
Connection issues can significantly impact the performance and availability of your Azure SQL Managed Instances. These issues can stem from various factors, including network connectivity problems and exceeding configured connection limits.
Possible Causes
- Network Connectivity Problems
- Ensure that network configurations are correctly set up.
- Verify that firewall rules allow inbound and outbound traffic to the SQL instance.
- Investigate Azure's network infrastructure for any disruptions or maintenance activities.
- Exceeding Connection Limits
- Check if the number of connections exceeds the configured limits.
- Optimize application code to manage database connections efficiently.
- Increase the connection limit if necessary.
Performance Degradation
Performance degradation can affect the responsiveness and efficiency of your Azure SQL Managed Instances, leading to slower query execution and resource bottlenecks.
Possible Causes
- High Query Latency
- Analyze slow queries using the performance insights tools.
- Optimize queries and indexes to improve performance.
- Increase the instance size to provide more resources if needed.
- Resource Bottlenecks
- Monitor CPU, memory, and I/O usage to identify resource-intensive processes.
- Adjust the workload or optimize resource usage.
- Scale up the instance or add replicas to distribute the load.
Storage Issues
Storage issues can lead to performance problems and data management challenges for your Azure SQL Managed Instances.
Possible Causes
- Disk Space Exhaustion
- Check disk usage on the SQL instance to identify space-consuming files or logs.
- Implement data archiving strategies to manage large data sets.
- Increase the storage size if necessary to accommodate additional data.
- High IOPS Utilization
- Monitor the IOPS usage and identify high I/O operations.
- Optimize queries and indexes to reduce IOPS.
- Scale storage performance tier if required.
By adhering to these troubleshooting steps and routinely monitoring your Azure SQL Managed Instances with Blue Matador, you can adeptly manage and optimize your database resources. This practice ensures the reliability and efficiency of your Azure infrastructure, promoting seamless operation and timely response to any performance or availability issues.
