kmate
/ profiling.scala
Last active
October 15, 2024 07:14
How to profile query read + compute performance using flame graphs on Databricks
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| // get the profiler instance | |
| val env = org.apache.spark.SparkEnv.get | |
| val profiler = env.profiler | |
| // start a profiling session | |
| // optionally, you can provide an instance of | |
| // com.databricks.spark.profiler.RunParameters | |
| // that parametrizes async-profiler, default is event=cpu | |
| val session = profiler.run() |