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clash

Posted by 夏泽民 May 8, 2022

https://github.com/Loyalsoldier/clash-rules https://lancellc.gitbook.io/clash/start-clash/clash-tun-mode https://github.com/Dreamacro/clash/wiki/premium-core-features

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apm

Posted by 夏泽民 May 8, 2022

APM agent是一系列开源库，使用与服务器端相同的语言编写，目前支持node、python、ruby、js，java和golang。您可以像安装任何其他库一样将它们安装到服务器端中。apm agent会检测代码并在运行时收集性能数据和错误。此数据可 缓冲一小段时间并发送到APM服务器。

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InnoDB列压缩

Posted by 夏泽民 May 8, 2022

https://mariadb.com/kb/en/innodb-row-formats-overview/ http://www.apimirror.com/mariadb/innodb-compressed-row-format/index

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Disjoint set并查集

Posted by 夏泽民 May 8, 2022

并查集一般解决的是对于给定的多个集合之间的合并和查询问题，假设我们现在有n个集合，每个集合都有一个独立的编号，我们对这些初始集合进行n次合并操作（每次将两个集合合并成一个），然后进行m次询问，查找两个元素是否在同一个集合之中。

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ClickHouse

Posted by 夏泽民 May 8, 2022

随着日志量不断增加，一些问题逐渐暴露出来：

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