Livy for Spark 3 Health Tests

This is a Livy for Spark 3 service-level health test that checks that enough of the Livy Server for Spark 3s in the cluster are healthy. The test returns "Concerning" health if the number of healthy Livy Server for Spark 3s falls below a warning threshold, expressed as a percentage of the total number of Livy Server for Spark 3s. The test returns "Bad" health if the number of healthy and "Concerning" Livy Server for Spark 3s falls below a critical threshold, expressed as a percentage of the total number of Livy Server for Spark 3s. For example, if this test is configured with a warning threshold of 95% and a critical threshold of 90% for a cluster of 100 Livy Server for Spark 3s, this test would return "Good" health if 95 or more Livy Server for Spark 3s have good health. This test would return "Concerning" health if at least 90 Livy Server for Spark 3s have either "Good" or "Concerning" health. If more than 10 Livy Server for Spark 3s have bad health, this test would return "Bad" health. A failure of this health test indicates unhealthy Livy Server for Spark 3s. Check the status of the individual Livy Server for Spark 3s for more information. This test can be configured using the Livy for Spark 3 Livy for Spark 3 service-wide monitoring setting.

Short Name: Livy Server for Spark 3 Health

Healthy Livy Server for Spark 3 Monitoring Thresholds

Description

The health test thresholds of the overall Livy Server for Spark 3 health. The check returns "Concerning" health if the percentage of "Healthy" Livy Server for Spark 3s falls below the warning threshold. The check is unhealthy if the total percentage of "Healthy" and "Concerning" Livy Server for Spark 3s falls below the critical threshold.

Template Name

LIVY_FOR_SPARK3_LIVY_SERVER_FOR_SPARK3_healthy_thresholds

Default Value

critical:90.0, warning:99.0

Unit(s)

PERCENT