问题描述
我正在观看视频Timelines at Scale，15:04-15:26。 主持人在这里说明Twitter将如何为用户提供家庭时间表-
- home timeline is served from redis cluster.
- replication factor is 3 i.e. data is replicated on 3 redis machines
- Timeline service - responsible to serve your home timeline
Steps explained to get home timeline -
1. Timeline service needs to find out one machine out of redis machine that has your home timeline.
2. We are running three different hashrings
3. We go through each of them and find the one,which is fastest.
我不确定拥有多个散列环是什么意思？ 这类似于一致性哈希中使用的多个哈希吗？
解决方法
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