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E-MapReduce:Monitor resources

Last Updated:Mar 26, 2026

Use resource observation to track compute unit (CU), CPU core, and memory consumption across workspaces and queues in EMR Serverless Spark. Filter by time range to analyze usage trends.

View resource metrics

  1. Log on to the EMR console.

  2. In the left-side navigation pane, choose EMR Serverless > Spark.

  3. On the Spark page, find the target workspace and click its name.

  4. In the left-side navigation pane of the EMR Serverless Spark page, choose Operation Center > Resources.

  5. Click the Resource Observation tab.

  6. Select a time range: 1 hour, 3 hours, 6 hours, 12 hours, 1 day, 7 days, or a custom period. The chart refreshes automatically to show data for the selected range.

Metrics

Metrics are available at two scopes: workspace level (all jobs and sessions in a workspace) and queue level (all jobs and sessions in a specific scheduling queue).

Workspace-level metrics

MetricDescription
Workspace CU*Hours ConsumptionTotal CU-hours consumed by all jobs and sessions in the workspace.
Workspace CU ConsumptionTotal CUs consumed by all jobs and sessions in the workspace.
Workspace cpu ConsumptionTotal CPU cores consumed by all jobs and sessions in the workspace.
Workspace memory ConsumptionTotal memory consumed by all jobs and sessions in the workspace.

Queue-level metrics

MetricDescription
Queue CU*Hours ConsumptionTotal CU-hours consumed by all jobs and sessions in a specific queue.
Queue CU ConsumptionTotal CUs consumed by all jobs and sessions in a specific queue.
Queue cpu ConsumptionTotal CPU cores consumed by all jobs and sessions in a scheduling queue.
Queue memory ConsumptionTotal memory consumed by all jobs and sessions in a scheduling queue.