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1.首先调试spark分为好几个阶段 有spark提交阶段,spark-driver,executor,下面分别介绍如何进行调试
spark-submit 或者spark-sql的提交
spark-sql的提交 也是通过spark-submit
spark-submit是通过spark-class
spark-class会去执行 java -cp xxx的命令 来启动spark,
主要看下
- build_command() {
- "$RUNNER" -Xmx128m $SPARK_LAUNCHER_OPTS -agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=5008 -cp "$LAUNCH_CLASSPATH" org.apache.spark.launcher.Main "$@"
- printf
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