摘要： Parquet 列式存储格式 ======= 参考文章： https://blog.csdn.net/kangkangwanwan/article/details/78656940 http://parquet.apache.org/documentation/latest/ 列式存储的优势 把IO 阅读全文

摘要： 错误分析 堆栈信息中有一个错误信息：Job aborted due to stage failure: Task 1 in stage 2.0 failed 4 times, most recent failure: Lost task 1.3 in stage 2.0 (TID 264, idc 阅读全文