随笔分类 -  大数据

mysql8.0 分区表查询性能调查
摘要:#mysql8.0 分区表查询性能调查 测试环境 vmware CentOS Linux release 7.8.2003 (Core) 64位 2处理器,2G mysq l8.0.23 创建表 14个分区,每个分区400W数据,共5600W数据。 CREATE TABLE bdm_range_da 阅读全文
posted @ 2021-04-20 10:24 wolf12 阅读(1198) 评论(0) 推荐(0)
sharding-jdbc 读写分离+水平分表
摘要:#sharding-jdbc 读写分离+水平分表 ##配置 sharding: jdbc: datasource: ds0: password: root type: com.alibaba.druid.pool.DruidDataSource driver-class-name: com.mysq 阅读全文
posted @ 2020-07-02 13:08 wolf12 阅读(343) 评论(0) 推荐(0)
sharding-jdbc 读写分离+水平分表
摘要:#sharding-jdbc 读写分离+水平分表 ##配置 sharding: jdbc: datasource: ds0: password: root type: com.alibaba.druid.pool.DruidDataSource driver-class-name: com.mysq 阅读全文
posted @ 2020-07-02 12:36 wolf12 阅读(278) 评论(0) 推荐(0)
Caused by: java.net.URISyntaxException: Relative path in absolute URI
摘要:<property> <name>hive.exec.scratchdir</name> <value>/tmp/hive</value> <description>HDFS root scratch dir for Hive jobs which gets created with write a 阅读全文
posted @ 2017-06-01 01:04 wolf12 阅读(1123) 评论(0) 推荐(0)