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name node

Translation of "name node" in Chinese

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Name node

The name node maintains and administers changes to the file system namespace.

Name node 维护和管理对文件系统名称空间的更改。

A name node tries to place replicas of a block on multiple installations for improved fault tolerance.

一个 Name node 尽量将一个块的多个副本放置到多个安装上以提高容错能力。

If the death of a node causes the replication factor of data blocks to drop below their minimum value, the name node initiates additional replication to bring the replication factor back to a normalized state.

如果一个节点的死亡导致数据块的复制因子降至最小值之下， Name node 将启动附加复制，将复制因子带回正常状态。

When a client accumulates a full block of user data, it retrieves a list of data nodes that contains a replica of that block from the name node.

当一个客户端积累了一个完整的用户数据块时，它将从 Name node 检索包含那个块的副本的 Data node 的列表。

Within HDFS, a given name node manages file system namespace operations like opening, closing, and renaming files and directories.

在 HDFS 中，一个给定的 Name node 管理一些文件系统名称空间操作，比如打开、关闭以及重命名文件和目录。

The HDFS namespace is stored using a transaction log kept by each name node.

HDFS 名称空间通过每个 Name node 保存的一个事务日志存储。

When a name node is initialized, it reads the FsImage file along with other files, and applies the transactions and state information found in these files.

当一个 Name node 初始化时，它读取 FsImage 文件以及其他文件，并应用这些文件中保存的事务和状态信息。