2020年10月28日
zookeeper启动报错：Error: Could not find or load main class org.apache.zookeeper.server.quorum.QuorumPeerMain
摘要： 报错 [root@analysis bin]$ ./zkServer.sh start ZooKeeper JMX enabled by default Using config: /usr/local/zookeeper/apache-zookeeper-3.5.6/bin/../conf/zoo 阅读全文
posted @ 2020-10-28 15:00 wqbin 阅读(4918) 评论(0) 推荐(0) 编辑
clickhouse数仓：mysql数据到clickhouse的离线、实时与全量、增量的方案调研
摘要： 11 阅读全文
posted @ 2020-10-28 14:20 wqbin 阅读(1134) 评论(0) 推荐(0) 编辑
sql语句分为三类(DML,DDL,DCL)
摘要： DDL DDL is Data Definition Language statements. Some examples:数据定义语言，用于定义和管理SQL数据库中的所有对象的语言1.CREATE - to create objects in the database 创建2.ALTER - al 阅读全文
posted @ 2020-10-28 14:11 wqbin 阅读(660) 评论(0) 推荐(0) 编辑
clikhouse报错：DB::Exception: Storage MergeTree requires 3 to 4 parameters:
摘要： Received exception from server (version 20.2.1):Code: 42. DB::Exception: Received from localhost:9000. DB::Exception: Storage MergeTree requires 3 to 阅读全文
posted @ 2020-10-28 10:49 wqbin 阅读(2602) 评论(0) 推荐(0) 编辑
clikhouse报错： DB::Exception: Cannot convert NULL to a non-nullable type
摘要： 阅读全文
posted @ 2020-10-28 10:30 wqbin 阅读(1822) 评论(0) 推荐(0) 编辑