How do I model a queue on top of a key-value store efficiently?

我如何模型上的键值存储有效的队列？

youdao

The highly scalable, eventually consistent, distributed, structured key-value store Cassandra for persistence.

通过高度可伸缩的、一致的、分布式的结构化key-value存储 Cassandra实现持久化。

youdao

The first component to provide online access was HBase, a key-value store that USES HDFS for its underlying storage.

所提供的第一个在线访问组件是HBase，具有键值对的特性，使用HDFS来构成它的底层存储。

youdao

Redis is a relatively simple key-value store, but with a twist: values can be data structures (lists and sets), not just strings.

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