crr121 - 博客园

摘要： 0: jdbc:hive2://localhost:10000/cr> insert into student values(4,'sunny');WARNING: Hive-on-MR is deprecated in Hive 2 and may not be a... 阅读全文

posted @ 2018-08-19 11:26 crr121 阅读(2031) 评论(0) 推荐(0)

摘要： #p1Vect也是一个向量 p1Vect = math.log(p1Num / p1Denom) p0Vect = math.log(p0Num / p0Denom)报错如下：TypeError: Only length-1 arrays can be ... 阅读全文

posted @ 2018-08-19 11:26 crr121 阅读(1376) 评论(0) 推荐(0)

摘要：创建桶表hive> create table house_1(id int,name string,age int) clustered by (id) into 3 buckets row format delimited fields terminated by ... 阅读全文

posted @ 2018-08-19 11:26 crr121 阅读(454) 评论(0) 推荐(0)

摘要：创建表（条件之间不能有逗号 fields terminated by ',' 字段之间以逗号分隔）0: jdbc:hive2://localhost:10000/cr> create table if not exists teacher(id int,name s... 阅读全文

posted @ 2018-08-19 11:26 crr121 阅读(1702) 评论(0) 推荐(0)

摘要： [xiaoqiu@s150 /soft/hive/conf]$ schematool -initSchema -dbType mysqlSLF4J: Class path contains multiple SLF4J bindings.SLF4J: Found bi... 阅读全文

posted @ 2018-08-19 11:25 crr121 阅读(511) 评论(0) 推荐(0)

摘要： Access denied for user xiaoqiu@localhost (using password :NO) resolution:删除匿名用户（mysql.user表中user为空的用户）delete from user where mysql.us... 阅读全文

posted @ 2018-08-19 11:25 crr121 阅读(206) 评论(0) 推荐(0)

摘要：当执行下面的命令时出现上述errorMariaDB [(none)]> grant all privileges on hive_meta.* to 'xiaoqiu'@'%';ERROR 1133 (42000): Can't find any matching r... 阅读全文

posted @ 2018-08-19 11:25 crr121 阅读(1677) 评论(0) 推荐(0)

摘要：背景：现在有两张表：customer、order，他们有个共同的cid,需要通过cid实现两张表的连接，并且通过cid进行分组排序思路：首先通过mapper从context里面获取到文件切片，从文件切片中得到路径，从而判断是customer.txt,还是order.t... 阅读全文

posted @ 2018-08-19 11:24 crr121 阅读(179) 评论(0) 推荐(0)

摘要： 2018-08-06T13:40:10,699 ERROR [41e6cbb7-d859-4b90-8375-c9808c786abc main] metastore.RetryingHMSHandler: Retrying HMSHandler after 2000... 阅读全文

posted @ 2018-08-19 11:24 crr121 阅读(423) 评论(0) 推荐(0)

摘要： java.net.ConnectException: Call From s150/192.168.109.150 to s153:8020 failed on connection exception: java.net.ConnectException: Conn... 阅读全文

posted @ 2018-08-19 11:24 crr121 阅读(609) 评论(0) 推荐(0)

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