You can determine the free space and usage for entire file systems using df, but this only gives you part of the picture.
使用df，您可以确定整个文件系统的空闲空间和空间使用情况，但这只是描述了部分信息。
A module was implemented to balance the disk space usage on a Hadoop Distributed File System cluster when some data nodes became full or when new empty nodes joined the cluster.
在某些数据节点已满或者新的空节点加入集群时，实现一个模块来平衡Hadoop分布式文件系统集群上的磁盘空间使用情况。
Therefore, when an attached file is sent to multiple users on the same server, disk space usage is substantially reduced.
因此，当将附件发送给同一服务器上的多个用户时，磁盘空间使用量将大大降低。
Therefore, when an attached file is sent to multiple users on the same server, disk space usage is substantially reduced.
因此，当将附件发送给同一服务器上的多个用户时，磁盘空间使用量将大大降低。
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