Aolin
/merge
@you06 @ran-huang Preview link is [here](https://preview-local.pingcap-docs-website-scaffold.pages.dev/tidb/dev/latency-breakdown)
/merge
/merge
@hicqu Could you please invite a tech review? Thanks~
@TomShawn PTAL [tidb-server 其它内存控制策略](https://docs.pingcap.com/zh/tidb/v5.2/configure-memory-usage#tidb-server-%E5%85%B6%E5%AE%83%E5%86%85%E5%AD%98%E6%8E%A7%E5%88%B6%E7%AD%96%E7%95%A5)在 5.2 及以上文档中是已经存在的，5.1 版本是否需要添加
/status LGT1