虽然Coda的基本功能集与afs的类似，但是Venus支持支持Coda的客户机的连续操作，即使客户机已经从分布式文件系统断开了。
Although the basic feature set of Coda resembles that of AFS, Venus enables continued operation for the Coda-enabled client even if the client has been disconnected from the distributed file system.
REST 方法支持构建可互操作、可伸缩和可靠的基于 REST 的分布式系统。
The REST approach enables building interoperable, scalable, and reliable REST-based distributed systems.
Hadoop还有一个问题，在它的分布式文件系统中缺乏对“sync”操作的支持，因此不适合用来保存提交日志。
The other problem that we've had with Hadoop is the lack of support for a 'sync' operation in their distributed filesystem. This makes it unsuitable for storing a commit log.
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