pod运行步骤以及报错提醒信息、优先级导致containercreating问题、健康检查的意义和怎么设置,多容器应用
pod运行步骤以及报错提醒信息、优先级导致containercreating问题、健康检查的意义和怎么设置,多容器应用
pod运行步骤,pod和container的比较
![enter description here enter description here](https://raw.githubusercontent.com/miaozhijuan/xiaoshujiang/master/%E5%B0%8F%E4%B9%A6%E5%8C%A0/1586241021310.png)
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pod综合计算报错
![enter description here enter description here](https://raw.githubusercontent.com/miaozhijuan/xiaoshujiang/master/%E5%B0%8F%E4%B9%A6%E5%8C%A0/1586241068552.png)
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用户配置request和limit自动调整优先级qos class 配置
![enter description here enter description here](https://raw.githubusercontent.com/miaozhijuan/xiaoshujiang/master/%E5%B0%8F%E4%B9%A6%E5%8C%A0/1586241708893.png)
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![enter description here enter description here](https://raw.githubusercontent.com/miaozhijuan/xiaoshujiang/master/%E5%B0%8F%E4%B9%A6%E5%8C%A0/1586241714249.png)
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因为优先级问题产生的执行问题containercreating,这里执行顺序,wp是最先、然后是demo、demo2但是wp却一直未执行,是因为,request和limit配置导致的优先级kubenates调整,看运行时间可以看出,但最终都起来了。
![enter description here enter description here](https://raw.githubusercontent.com/miaozhijuan/xiaoshujiang/master/%E5%B0%8F%E4%B9%A6%E5%8C%A0/1586242000556.png)
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![enter description here enter description here](https://raw.githubusercontent.com/miaozhijuan/xiaoshujiang/master/%E5%B0%8F%E4%B9%A6%E5%8C%A0/1586242111683.png)
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kubenetes内存限制报错排查
pod环境变量和docker环境变量cmd命令执行问题
![enter description here enter description here](https://raw.githubusercontent.com/miaozhijuan/xiaoshujiang/master/%E5%B0%8F%E4%B9%A6%E5%8C%A0/1586243228594.png)
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为什么需要健康检查
![enter description here enter description here](https://raw.githubusercontent.com/miaozhijuan/xiaoshujiang/master/%E5%B0%8F%E4%B9%A6%E5%8C%A0/1586243780564.png)
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![enter description here enter description here](https://raw.githubusercontent.com/miaozhijuan/xiaoshujiang/master/%E5%B0%8F%E4%B9%A6%E5%8C%A0/1586243787249.png)
![enter description here enter description here](https://raw.githubusercontent.com/miaozhijuan/xiaoshujiang/master/%E5%B0%8F%E4%B9%A6%E5%8C%A0/1586243791133.png)
代码示例
![enter description here](https://raw.githubusercontent.com/miaozhijuan/xiaoshujiang/master/小书匠/1586243800437.png) ![enter description here](https://raw.githubusercontent.com/miaozhijuan/xiaoshujiang/master/小书匠/1586243803362.png)健康检查结果、不可用之后会重启整个pod保证高可用
![enter description here enter description here](https://raw.githubusercontent.com/miaozhijuan/xiaoshujiang/master/%E5%B0%8F%E4%B9%A6%E5%8C%A0/1586243854657.png)
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http检查
![enter description here enter description here](https://raw.githubusercontent.com/miaozhijuan/xiaoshujiang/master/%E5%B0%8F%E4%B9%A6%E5%8C%A0/1586244137796.png)
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![enter description here enter description here](https://raw.githubusercontent.com/miaozhijuan/xiaoshujiang/master/%E5%B0%8F%E4%B9%A6%E5%8C%A0/1586244141641.png)
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![enter description here enter description here](https://raw.githubusercontent.com/miaozhijuan/xiaoshujiang/master/%E5%B0%8F%E4%B9%A6%E5%8C%A0/1586244147225.png)
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![enter description here enter description here](https://raw.githubusercontent.com/miaozhijuan/xiaoshujiang/master/%E5%B0%8F%E4%B9%A6%E5%8C%A0/1586244152342.png)
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![结果 结果](https://raw.githubusercontent.com/miaozhijuan/xiaoshujiang/master/%E5%B0%8F%E4%B9%A6%E5%8C%A0/1586244177405.png)
结果
tcp健康检查...略
多容器pod
![enter description here enter description here](https://raw.githubusercontent.com/miaozhijuan/xiaoshujiang/master/%E5%B0%8F%E4%B9%A6%E5%8C%A0/1586245193505.png)
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![enter description here enter description here](https://raw.githubusercontent.com/miaozhijuan/xiaoshujiang/master/%E5%B0%8F%E4%B9%A6%E5%8C%A0/1586245199071.png)
![enter description here enter description here](https://raw.githubusercontent.com/miaozhijuan/xiaoshujiang/master/%E5%B0%8F%E4%B9%A6%E5%8C%A0/1586245201552.png)
InitContainers
![enter description here enter description here](https://raw.githubusercontent.com/miaozhijuan/xiaoshujiang/master/%E5%B0%8F%E4%B9%A6%E5%8C%A0/1586245529023.png)
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操作:创建一个完整的pod
![enter description here enter description here](https://raw.githubusercontent.com/miaozhijuan/xiaoshujiang/master/%E5%B0%8F%E4%B9%A6%E5%8C%A0/1586245591523.png)
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