The lightweight file system is a distributed file system,is designed to support mass and unstructured file storage.Like many other distributed file system for data integrity,consistency and recovery ability,scalability,reliability,availability,and cost.But it is also different from other places distributed file system,such as incompatible with public interface,no record file metedata information.Design taking with other distributed file system is not the some strategy,some of the discount choice.
1. High reliability
decentralized design,no single point of failure
2. High throughput
asynchronous sequential reading and writing
3. Low latency
the global load balance
4. Horizontal scaling
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