Feb 26, 2026 2 min read

How I (or try to) read the Spark UI

Opening the Spark UI

Abrindo a Spark UI

Abriendo la Spark UI

etl_daily_pipeline Run #42 - Succeeded

Output

      [2026-02-26 18:03:12] Reading delta table...

      [2026-02-26 18:03:14] Filter: status='completed'

      [2026-02-26 18:15:28] Broadcast join completed

      [2026-02-26 18:37:41] GroupBy aggregation done

      [2026-02-26 18:41:33] Pipeline completed. Rows: 2,847

Task run

Job ID
913847562

Job run ID
42

Started
02/26/2026, 6:03:12 PM

Duration
38.4 min

Status
Succeeded

Cluster
etl-production-cluster i3.xlarge - 2 workers

View details Spark UI Logs Metrics

Click the cluster name link in the right panel. That opens the cluster page, where you click the Spark UI tab:

Clique no link do nome do cluster no painel da direita. Isso abre a página do cluster, onde você clica na aba Spark UI:

Haz clic en el enlace del nombre del cluster en el panel de la derecha. Eso abre la página del cluster, donde haces clic en la pestaña Spark UI:

JobsStagesStorageEnvironmentExecutorsSQL / DataFrame

Spark Jobs

User: root

Total Uptime: 38.4 min

Scheduling Mode: FAIR

Completed Jobs

Failed Jobs