This key metadata item is designed to be compact, such that a NameNode with 4 GB of RAM is plenty to support a huge number of files and directories.
这个关键的元数据设计得很紧凑，因而一个带有4 G内存的Namenode足够支撑海量的文件和目录。
Q: in your spring buyer's guide, you wrote that adequate graphics chips will be more important than ever, but in the past you've advised that memory, or RAM, was key to speed and performance.
问：在春季给买家的建议中，你提到合适的显卡将比以前任何时候都更加重要，但过去你曾建议说，内存才是对速度和性能至关重要的。
The OpenSSH client user ram is all set for Public Key authentication to user laxman on the OpenSSH server with EFS login. Verify the same with ssh login from client
现在准备使用 EFS 登录由 OpenSSH 服务器上的用户 laxman 对 OpenSSH 客户机用户 ram 进行公钥认证。
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