This post tells how a website with a distributed database reduced online serving latency from 1.11 s to 417.7 ms, and then to 123.6 ms. We found that some lessons learned on MySQL could be applied throughout the optimization process. But when we optimize a distributed database, we need to consider more.

The OSS Insight website displays the data changes of GitHub events in real time. It’s powered by TiDB Cloud, a MySQL-compatible distributed SQL database for elastic scale and real-time analytics.

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