解决docker dektop Not enough memory内存不足RAM，Unable to start

版本：docker desktop win

在修改RAM至14Gb之后启动失败，提示内存不足，无法从GUI的settings中更改，提示错误如下

问题 

Unable to start
at Docker.Core.Pipe.NamedPipeClient.d__5.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at Docker.Core.Pipe.NamedPipeClient.Send(String action, Object[] parameters)
at Docker.Actions.DoStart(SynchronizationContext syncCtx, Boolean showWelcomeWindow, Boolean executeAfterStartCleanup)
at Docker.Actions.<>c__DisplayClass24_0.b__0()
at Docker.ApiServices.TaskQueuing.TaskQueue.<>c__DisplayClass17_0.<.ctor>b__1()

Not enough memory in the system to start the virtual machine DockerDesktopVM.

Could not initialize memory: Ran out of memory (0x8007000E).

'DockerDesktopVM' failed to start. (Virtual machine ID E882D002-05C8-47C9-B90E-303A9C6E22EC)

Not enough memory in the system to start the virtual machine DockerDesktopVM with ram size 2048 megabytes. (Virtual machine ID E882D002-05C8-47C9-B90E-303A9C6E22EC)

 解决

Out of memory - Issue since latest update · Issue #4368 · docker/for-win
https://github.com/docker/for-win/issues/4368

解决方法是，您可以手动编辑settings.json文件以减少VM内存。这通常在

C:\Users\(username)\AppData\Roaming\Docker\settings.json。编辑memoryMiB值。

重启docker问题解决！