摘要：MR与hive_sql替换 // MR:public static class Map extends Mapper<LongWritable, Text, Text, IntWritable> { private final static IntWritable one = new IntWrit 阅读全文

摘要：创建表 create table student( s_id string comment '学生编号', s_name string comment '学生姓名', s_birth string comment '学生生日', s_sex string comment '学生性别') commen 阅读全文

摘要：码云： https://gitee.com/Xiaokeworksveryhard/big-data/tree/master/%E6%80%BB%E7%BB%93/spark%E8%B0%83%E4%BC%98 combineBykey压缩图 stage和job管道流程图 task任务详情图 阅读全文

摘要：导入 本地文件导入到Hive表CREATE TABLE testA ( id INT, name string, area string ) PARTITIONED BY (create_time string) ROW FORMAT DELIMITED FIELDS TERMINATED BY ' 阅读全文