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Azure Database for MariaDB

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Azure Database for MariaDB is a relational database service in the Microsoft cloud based on the MariaDB community edition. This integration helps in identifying slow queries, tracking database-level activity, including connection, administration, data definition language (DDL), and data manipulation language (DML) events.

Log and metric types

For Azure Database for MariaDB, you can collect the following logs and metrics:

  • Audit logs. To learn more about the different fields collected for Azure Database for MariaDB, refer to the Azure documentation.
  • Slow Query logs. To learn more about the different log types and schemas collected for Azure Database for MySQL, refer to the Azure documentation.
  • Platform Metrics for Azure Database for MariaDB. These metrics are available in Microsoft.DBforMariaDB/servers namespace. For more information on supported metrics and dimensions, refer to the Azure documentation.

Setup

Azure service sends monitoring data to Azure Monitor, which can then stream data to Eventhub. Sumo Logic supports:

You must explicitly enable diagnostic settings for each Azure Database for MariaDB server you want to monitor. You can forward logs to the same event hub provided they satisfy the limitations and permissions as described here.

When you configure the event hubs source or HTTP source, plan your source category to ease the querying process. A hierarchical approach allows you to make use of wildcards. For example: Azure/DatabaseForMariaDB/Logs, Azure/DatabaseForMariaDB/Metrics.

Configure metrics collection

In this section, you will configure a pipeline for shipping metrics from Azure Monitor to an Event Hub, on to an Azure Function, and finally to an HTTP Source on a hosted collector in Sumo Logic.

  1. Configure an HTTP Source.
  2. Configure and deploy the ARM Template.
  3. Export metrics to Event Hub. Perform below steps for each Azure Database for MariaDB server that you want to monitor.
    • Choose Stream to an event hub as destination.
    • Select AllMetrics.
    • Use the Event hub namespace created by the ARM template in Step 2 above. You can create a new Event hub or use the one created by ARM template. You can use the default policy RootManageSharedAccessKey as the policy name.

Configure logs collection

In this section, you will configure a pipeline for shipping diagnostic logs from Azure Monitor to an Event Hub.

  1. To enable slow query logs, refer to the Azure documentation.
  2. To set up the Azure Event Hubs source in Sumo Logic, refer to Azure Event Hubs Source for Logs.
  3. To create the Diagnostic settings in Azure portal, refer to the Azure documentation. Perform below steps for each Azure Database for MariaDB server that you want to monitor.
    • Choose Stream to an event hub as the destination.
    • Select MySqlSlowLogs and MySqlAuditLogs.
    • Use the Event hub namespace and Event hub name configured in previous step in destination details section. You can use the default policy RootManageSharedAccessKey as the policy name.

Troubleshooting

HTTP Logs and Metrics Source used by Azure Functions

To troubleshoot metrics collection, follow the instructions in Collect Metrics from Azure Monitor > Troubleshooting metrics collection.

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