PREVIEW | Analyze: Metrics
This page is no longer maintained (March 29, 2023). For the most current information, go to https://docs.snaplogic.com/studio/analyze-metrics.html.
Overview
The Metrics page displays charts for a Snaplex node. The charts reveal trends for key metrics. Use the Metrics page to:
Analyze the behavior of a Snaplex node
Improve Task scheduling by finding under-utilized and over-utilized time periods
Troubleshoot performance issues by identifying usage spikes
View trends and individual data points
Zoom in on charts to focus on a shorter time period
Expand a chart to determine which Pipelines ran during a specific time period and view the execution details
Review Snap statistics, Pipeline logs, and Pipeline parameters
Download files for:
Chart values in JSON format
Pipeline logs in JSON format
Runtime details in CSV format
The Metrics and Infrastructure pages provide complementary information, as described in the following table:
Attributes: | Metrics Page | Infrastructure Page |
---|---|---|
Scope | Single Snaplex node | All Snaplexes and their nodes |
Metrics Reported | Memory, CPU, and Disk utilization, system load, active threads, and network traffic | Memory, CPU, and Disk utilization |
Type of Visualization | Plotted | Color-coded average and maximum usage |
Analyzing Node Behavior
Open the Studio Metrics page to monitor and troubleshoot node behavior:
In the navigation pane under Analyze, select Metrics:
Select a node in one of the following ways:
Start entering text to search for a node by name.
Click the node dropdown arrow to browse by Snaplex and click a Snaplex to display its nodes.
The Metrics page displays:
The charts report the average value, maximum value, and trends for:
Percentage of CPU, disk, and memory use
Percentage of system load
Number of active threads and active Pipelines
Size of network requests received and sent
For time periods of seven days or less, each data point represents the average value of that metric in one-minute intervals. For time periods of more than seven days, each data point represents the average value of that metric over fifteen-minute intervals.
Working with Charts
The default Metrics layout includes nine charts. You can add, remove, and expand charts. The following table lists the controls available for the page, the charts, and an expanded chart:
Page Controls | Chart Controls | Expanded Chart |
---|---|---|
Select a node | Expand the chart | Return to normal size |
Change the time period | Remove the chart | Download chart data |
Refresh chart data | Download chart data | Display Pipeline executions for a selected time period and view the details |
Add a chart that was removed | View individual data points | View individual data points |
| Zoom in to view more details | Zoom in to view more details |
Viewing Data Point Values
In a regular or expanded chart, hover over the plot to view values for individual data points. For example, to determine why memory use spiked, you might want to check the number of pipelines that were running at the same time. Do that on the Studio Metrics page by hovering over a chart to view data point values. The value indicator tracks the same point in time for all charts:
You can also drag your cursor to zoom in on a shorter period of time, as shown in the following video:
Viewing and Downloading Pipeline Details and Logs
To view details for a Pipeline execution during a specific time period:
In the chart of interest, click to expand it.
Drag your cursor across the plot to select a time period as shown in the video in the section above.
A table of Pipeline executions displays:
Click to download the Pipeline data in
.csv
format.To view more details, do one of the following:
Open the Execution overview (filtered to show these Pipelines) by clicking Open in execution view.
Click a Pipeline name to open its execution details. From the Pipeline execution details, select the Pipeline Logs tab to view and download logs.
Downloading Chart Data
To download chart data:
For standard charts, click the ellipsis and select Download chart data:
For an expanded chart, from the toolbar, click Download:
Adding or Removing a Chart
The Metrics page offers nine charts. They are all shown by default, so the Add button is disabled until you remove a chart.
To remove a chart, click the ellipsis and select Remove chart:
To add a chart, from the toolbar, click Add and select the chart to add:
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