1. variable - create and initialize a namespace variable 用于在名字空间里创建和初始化变量。
2. 语法 variable ?name value...? name ?value?
3. 说明 This command is normally used within a namespace eval command to create one or more variables within a n…
【Python】已解决UnboundLocalError: local variable ‘xxx’ referenced before assignment的报错解决方案 😎 作者介绍:我是程序员洲洲,一个热爱写作的非著名程序员。CSDN全栈优质领域创作者、华为云博客社区云享专家、阿里云博客社区专家博…
问题:
集群新增2个节点后,impala服务运行异常
E0601 14:33:03.811748 4578 query-state.cc:424] 484462dbbe376aef:2da730b400000000] Cancelling fragment instances due to failure to reach the coordinator. (ReportExecStatus() RPC failed: Inva…