spark 之报错 System memory 202768384 must be at least 4.718592E8. Please use a larger heap size

目录

• 1、问题：System memory 202768384 must be at least 4.718592E8. Please use a larger heap size
• 2、解决

1、问题：

     System memory 202768384 must be at least 4.718592E8. Please use a larger heap size.

2、解决

     SparkConf conf = new SparkConf() .setAppName("xxxxx") .setMaster("local");

     conf.set("spark.testing.memory", "2147480000");

      //后面的值大于512m即可 ， 否则，JVM申请的memory不够导致无法启动SparkContext。