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百万级高并发mongodb集群性能数十倍提升优化实践-wx5d30212829a35的博客
source link: https://blog.51cto.com/14455981/2460392
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背景线上某集群峰值TPS超过100万/秒左右(主要为写流量，读流量很低)，峰值tps几乎已经到达集群上限，同时平均时延也超过100ms，随着读写流量的进一步增加，时延抖动严重影响业务可用性。该集群采用mongodb天然的分片模式架构，数据均衡的分布于各个分片中，添加片键启用分片功能后实现完美的负载均衡。集群每个节点流量监控如下图所示:从上图可以看出集群流量比较大，峰值已经突破120万/秒，其中de
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