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求某段时间内用户的连续活跃区间
求某段时间内用户的连续活跃区间原创 2023-02-08 21:21:48 · 164 阅读 · 0 评论 -
Hive常用优化方法
hive常用优化方法原创 2023-01-30 21:45:41 · 148 阅读 · 0 评论 -
错误: 找不到或无法加载主类 org.apache.hadoop.mapreduce.v2.app.MRAppMaster
错误: 找不到或无法加载主类 org.apache.hadoop.mapreduce.v2.app.MRAppMaster解决:在yarn-site.xml和mapred-site.xml中添加如下依赖<property> <name>yarn.application.classpath</name> <value>/usr/etc/hadoop-3.2.2/etc/hadoop:/usr/etc/hadoop-3.2.2原创 2021-02-27 21:09:30 · 2960 阅读 · 3 评论 -
Error: org.apache.thrift.transport.TTransportException: java.net.SocketException: 断开的管道 (Write faile
Error: org.apache.thrift.transport.TTransportException: java.net.SocketException: 断开的管道 (Write failed) (state=08S01,code=0)hive建表报错原因:hiveserver2服务未开启,开启hiveserver2服务,重新连接hive belline即可。原创 2021-02-28 10:17:43 · 11682 阅读 · 2 评论 -
Error: Error while compiling statement: FAILED: ParseException line 1:28 mismatched input ‘,‘ expect
Error: Error while compiling statement: FAILED: ParseException line 1:28 mismatched input ‘,’ expecting ( near ‘char’ in primitive type specification (state=42000,code=40000)hive建表时报错0: jdbc:hive2://linux01:10000> create table score(name char,`month`原创 2021-02-28 10:27:37 · 5383 阅读 · 0 评论