spark_flame_graphs.mdspark_flame_graphs.md Generating Flame Graphs for Apache Spark Flame graphs are a nifty debugging tool to determine where CPU time is being spent. Using the Java Flight recorder, you can do this for Java processes without adding significant runtime overhead. When are flame graphs useful? Shivaram Venkataraman and I have found these flame recordings to be useful for diagnosing coarse-grained perfor
