1 | message Expression { |
1 | message Expression { |
安装minikube,参考 https://minikube.sigs.k8s.io/docs/start/
启动minikube,driver我们选择docker
1 | [echo@echo] minikube start --driver=docker |
1 | [echo@echo] kubectl get po -A |
1 | [echo@echo] kubectl get po -A |
1 | [echo@echo] kubectl create deployment hello-minikube --image=kicbase/echo-server:1.0 |
1 | [echo@echo] kubectl expose deployment hello-minikube --type=NodePort --port=8080 |
1 | [echo@echo] kubectl get services hello-minikube |
1 | [echo@echo] minikube service hello-minikube |

| X | IX | S | IS | |
|---|---|---|---|---|
| X | Conflict | Conflict | Conflict | Conflict |
| IX | Conflict | Compatible | Conflict | Conflict |
| S | Conflict | Conflict | Compatible | Compatible |
| IS | Conflict | Compatible | Compatible | Compatible |
LOCK TABLES ... WRITE)。意图锁主要是为了表明某些客户端正在或将要锁住表中的某一行。记录锁也叫做行锁,是用来在一条索引记录上加锁来实现。例如SELECT c1 FROM t WHERE c1 = 10 FOR UPDATE; 会阻止其他事务插入、更新或删除t.c1值为10的数据行。
记录锁通常通过锁住索引记录来实现,即便一个mysql的table没有定义索引,在这种情况下InnoDB会创建一个隐藏的索引来用该索引来加记录锁。See Section 15.6.2.1, “Clustered and Secondary Indexes”.
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