MySQL导入数据遇到Error Number: 1467 Failed to read auto-increment value from storage engine错误 创建表的语句 CREATE TABLE `test` ( `id` int unsigned auto_increment not null comment 'id', `uuid` varchar(255) NULL COMMENT 'uuid', `ctime` timestamp NULL ON UPDATE CUR
问题描述: Container killed by the ApplicationMaster. Container killed on request. Exit code is 143 Container exited with a non-zero exit code 143 21/10/10 08:51:52 INFO mapreduce.Job: map 100% reduce 0% 21/10/10 08:51:53 INFO mapreduce.Job: Job job_16338
1.从csv文件导入数据 原理:with语句打开文件并绑定到对象f.不必担心在操作完资源后去关闭数据文件,with的上下文管理器会帮助处理.然后,csv.reader()方法返回reader对象,通过该对象遍历所读取文件的所有行. #!/usr/bin/env python import csv filename = 'ch02-data.csv' data = [] try: with open(filename) as f: reader = csv.reader(f) c = 0 for
hive sequencefile导入文件遇到FAILED: SemanticException Unable to load data to destination table. Error: The file that you are trying to load does not match the file format of the destination table.错误 原因 这是因为SequenceFile的表不能使用load来加载数据,只能导入sequence类型的数据 解决办
1.load data load data local inpath "/home/hadoop/userinfo.txt" into table userinfo; " into table syslog; 2.insert hive,'test_user'); insert into table weather_list select year,data from weather_data; insert overwritetable weather_list selec