How can I monitor the health of my executors?
You can monitor executor health by using metrics like CPU usage, memory consumption, and task completion rates.
What tools can I use for this monitoring?
Popular tools include Apache Spark's UI, Prometheus, and Grafana for visualizing metrics.
How often should I check the health metrics?
It's recommended to check health metrics at regular intervals, such as every minute or based on your workload.
What should I do if I notice a health issue?
If you notice a health issue, investigate the logs, consider restarting the executor, or scaling your resources.
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