How to read data from Azure Log Analitycs ? (2024)

FAQs

How to read data from Azure Log Analitycs ? ›

Azure portal: You can view and query your data directly from the Azure portal. Simply go to your Log Analytics Workspace, select the "Logs" option, and start writing queries to retrieve the data you need. REST API: You can use the Log Analytics REST API to programmatically retrieve data from your workspace.

On the dashboard page, click on the Tables tab in the left menu. This will display a list of all of the tables in the demo environment. To view the contents of a table, click on the name of the table in the list. This will open the table viewer, which allows you to view and analyze the data in the table.

Log Analytics is a tool in the Azure portal to edit and run log queries from data collected by Azure Monitor logs and interactively analyze their results. You can use Log Analytics queries to retrieve records that match particular criteria, identify trends, analyze patterns, and provide various insights into your data.

Azure portal: You can view and query your data directly from the Azure portal. Simply go to your Log Analytics Workspace, select the "Logs" option, and start writing queries to retrieve the data you need. REST API: You can use the Log Analytics REST API to programmatically retrieve data from your workspace.

Reading performance data from a log file is the same as reading data from a real time source—you open a query, add counters to the query and call PdhCollectQueryData to collect a sample from the log file.

In conclusion, Azure Monitor and Log Analytics collectively offer a robust solution for monitoring Azure resources. While Azure Monitor provides a lot of features including aggregation of logs, real-time insights and performance metrics, Log Analytics allows advanced query capabilities and extensive log data analysis.

Use a log query to retrieve logs

Data is retrieved from a Log Analytics workspace by using a log query written in Kusto Query Language (KQL). A set of pre-created queries is available for many Azure services, so you don't require knowledge of KQL to get started. Select Logs from your resource's menu.

Browse to Identity > Monitoring & health > Log Analytics. A default search query runs. Expand the LogManagement category to view the list of log related queries. Select or hover over the name of a query to view a description and other useful details.

Where is Azure Log Analytics data stored? ›

The answer is Azure Log Analytics Workspace. An Azure Log Analytics Workspace is a logical storage unit in Azure where all log data generated by Azure Monitors are stored. Azure Log Analytics Workspace makes it easier for us to manage the log data that is collected from various data sources like Azure Virtual Machines.

On the Log Analytics workspace menu in the Azure portal, select Data Export under the Settings section. Select New export rule at the top of the pane. Follow the steps, and then select Create.

Start by defining the problem clearly, then gather all relevant log data. Analyze the data to identify any patterns or anomalies, and trace the sequence of events leading up to the problem. Once the root cause is identified, steps can be taken to resolve the issue and prevent it from recurring.

LOG files in Windows 10? If you're a Windows 10 user, you'll be able to view LOG files in 'Event Viewer'. To open Event Viewer, just press the Windows key and search for 'Event Viewer'. Then open the application and select the 'Windows Logs' tab.