Performance Analysis

In performance analysis, you can view the key performance metrics of the monitoring target and check both the current data and historical data within the period for each metric. Users can view the performance status of the monitored targets they manage by service or by period, and compare specific performance metrics to analyze the results.

Getting Started with Performance Analysis

You can start performance analysis by directly selecting the monitoring target or entering search criteria. To search for the monitoring target and analyze performance, follow these steps.

1. Click Cloud Monitoring Console > Performance Analysis. You will be taken to the Performance Analysis page.
2. After entering the search criteria for the monitoring target to be analyzed in the search area, click Search.

   Item	description
   Search area	The detailed search filters displayed in the search area vary according to the service type To perform Detailed Search, click the Detailed Search button. Each detailed search filter condition can be selected with one or more items
   Number of monitoring targets displayed	Display the number of performance items that can be viewed at once in the search results and list The default number of performance items shown in the list is 20 per page. Change the list display count to 10, 20, 30, 40, 50, or 100 per page.
   Search information	Display search result values for the search criteria items Monitoring target, service status, event grade Clicking the risk icon displayed for event risk opens a detailed popup of the most recent event corresponding to that risk level.
   Performance metrics	Information Displays key performance indicators according to the service type of the monitoring target The list of key performance indicators per service refers to the service-specific key performance indicators and the collected information by instance type and status of the DB service
   View Details	View detailed information of the relevant monitoring target
   Performance Comparison	Select a monitoring target and compare performance

   Table. Performance analysis

Check detailed performance information

To view detailed performance information of the monitoring target, follow these steps.

1. Click the monitoring target for which you want to view detailed information in the performance analysis list. Monitoring Details popup window opens.
2. Click the Performance tab.
   • When you place the mouse cursor over the graph, the values of each performance metric appear in a popup window.
   • Click the icon in the upper right corner to set the query period or change the refresh interval.
   • You can click the Details, Summary buttons located at the top left of the performance chart to select the graph display method.

     Item	description
     Basic Information	Display basic information about the monitoring target
     Details	Performance charts of the monitoring target are expanded and displayed View a single chart in detail
     Summary	Performance charts of the monitoring target are displayed in a grid layout View multiple charts at a glance
     Set query period	Date/Time: Displays the reference date and time for data retrieval. Refresh: Manually refresh to the current time. Start/Stop: Turns the automatic refresh feature off or on. Settings: Set the data query period or change the automatic refresh interval
     Performance Comparison	Generate a chart that compares the performance of monitoring targets, allowing each performance to be compared.
     Performance chart	Performance charts of the monitoring target are displayed as graphs When there is a single graph, the most recent collected value is shown in the upper right corner with its unit. When multiple graphs are present, an ⓘ appears in the upper right corner, and hovering the mouse cursor displays the latest collected value for each graph in a popup. Hovering the mouse cursor over a graph shows the performance metric value at the specified time in a popup.

     Table. Monitoring Target Details

Compare performance

You can view the performance metrics of each monitoring target and select the desired metrics for comparison.

Getting Started with Performance Comparison

Generate a chart that compares the performance of monitoring targets, allowing you to compare each performance.

To begin the performance comparison, follow these steps.

1. Click Cloud Monitoring Console > Performance Analysis. You will be taken to the Performance Analysis page.

2. After entering the search criteria for the monitoring target to be analyzed in the search area, click Search.

3. After selecting all monitoring targets to compare performance, click Compare Performance. A popup window that allows performance comparison will open.

   Item	description
   Monitoring target	Display the service type of the monitoring target to compare and click to change the service Changing the service will remove all charts created so far. Click Add to search for monitoring targets of the currently selected service and add The selected monitoring target is displayed on the page, and you can delete the monitoring target by clicking X or Delete All
   Performance items	Display all performance metrics collected from the currently selected service Check the items you want to compare performance for, and those performance items will be included in the chart.
   Chart display method	Select display method for performance comparison chart Detailed: The performance comparison chart is displayed in detail. (default) Summary: The performance comparison chart is displayed in summary
   Set query period	Date/Time: Displays the reference date and time for data retrieval Refresh: Refreshes directly to the current time. Start/Stop: Turns the automatic refresh feature off or on. Settings: Set the data query period or change the automatic refresh interval
   Chart area	Compare the performance of monitoring targets based on the selected performance metric and display it as a chart.

4. Click Add. A popup window opens where you can add a monitoring target.

5. After selecting the monitoring target to compare performance, click the Confirm button. If you select Kubernetes Engine, you must also select the sub-type of that service.

6. Select the performance metrics to compare. The selected metrics will be added to the chart.

Explore the chart

The performance comparison results are displayed as a chart. Users can modify the shape of the generated chart or download it as an image or Excel file.

1. When you place the mouse cursor over the graph, the performance metric value for the specified time appears as a popup.
2. Click a target item in the legend area to hide or unhide the corresponding graph.

   Item	description
   Statistical methods	Set the statistical method to display in the graph Statistics are displayed in a graph for a period ranging from a minimum of 5 minutes to a maximum of 6 hours. Default, Maximum, Minimum, Average, Total can be selected. Multiple methods can be selected simultaneously, and the selected items are shown in the legend area
   Chart format	Select the type of graph to display on the chart Line: line graph Stacked Area: area graph Scatter: scatter plot
   Download chart	Check and download the chart’s Raw Data Chart PNG File: Download the chart as an image file (PNG). Chart Excel File: Download the performance item data displayed in the chart as an Excel file. The chart’s displayed data is a dataset automatically collected based on the query range. Raw Excel File: Collect the entire performance item data shown in the chart within the query period and download it as an Excel file.
   Add time series graph widget	Add the chart to the custom dashboard as a time series graph widget When you click, a popup window for adding a time series graph widget opens.
   Delete	Delete the performance comparison result chart
   Performance Comparison Status	Display performance comparison results as a graph When you place the mouse cursor over the graph, the performance comparison status for that time period is shown in a popup window.