在单一计算机上，这种方式工作得很好，但是在进入集群模型时，重要的是缓存的数据要在所有节点间保持一致。
This works fine on a single computer, but when you move to a clustered model, it's important that cached data remain consistent across all nodes.
该方案通过对本地节点缓存区指标的定期测量，计算得到在各队列间公平分配剩余带宽的调度权值。
This scheme periodically measures the metrics in local buffer of router, and calculates the scheduling weights for fair bandwidth allocation among the queues.
HPVFS的缓存系统包括元数据缓存、计算节点数据缓存和存储节点缓存三种，旨在实现元数据和数据的高速访问。
Cache system is one of these strategies, which realize rapid access of metadata and data. The cache system of HPVFS consists of metadata cache, compute nodes cache and storage nodes cache.
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