View thread pool statistics in the Performance Service
You can inspect thread pool (TP) statistics, thread pool alerts, and recommendations for improving cluster performance.
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Select CLUSTER_NAME, and then click Services.
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Click the Configure link for the Performance Service.
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On the Overview tab, click the title bar of the Thread Pools performance panel.
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Inspect thread pool statistics and related information on the Thread Pools page.
For each statistic, you can view the name, active tasks, pending tasks, completed tasks, blocked tasks, and total blocked tasks.
The Pending column is sortable in both the overview mini-panel and the main Thread Pools page. The Thread Pool Dropped Tasks and Pending Queues graphs provide a visualization of the metrics. To expand the graphs, click the magnifier icon on the graph panels.
There are several ways to filter the thread pool data:
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Date and time filter: To inspect data for a specific time range, select the starting and ending date and time, and then click Update. To view the latest data in real-time, click Current.
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Time Range: Select the granularity for the data in the thread pools statistics table. Available options are 20m, Hour, Day, Week, or Month. The selected time range option controls the availability of other filter options.
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Node: Filter data by cluster (all nodes) or a specific node.
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Slider Step: Select the increment for the horizontal slider bar. Click or drag on the slider bar to scrub through data over time.
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