AWS工程师报告，Linux 7.0内核（开发中）下，PostgreSQL性能大幅下降。 arm64架构Graviton4服务器测试：吞吐量仅为上一内核版本的51%。 问题根源 用户空间自旋锁占用时间显著增加。 推测与Linux 7.0引入的内核抢占模式限制有关。（内核抢占：允许内核在执行过程中被 ...

An AWS engineer reported on April 3 that PostgreSQL throughput dropped to roughly half on Linux 7.0, with benchmark data tracing the cause to a deliberate kernel change that removed the PREEMPT_NONE ...

For more information about Azure Database Migration Service, see the article What is Azure Database Migration Service? You can use Azure Database Migration Service to migrate the databases from an ...

最近我都在忙一个非常有趣的新项目，没什么时间写公众号，这两天总算弄完了。各位朋友们，给大家介绍一下这个有趣的小东西，PostgreSQL 与 Pigsty 中久久缺失的一个命令行工具，我称之为 “ pig”。 那么 pig 是干什么的？简单来说，这是一个 PostgreSQL 的包管理 ...

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Kali Linux is one of the most loved distros by the hacking and security community because of its pen-testing and exploit tools. It is one of the best security auditing operating systems based on the ...

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A Microsoft engineer noticed something was off on a piece of software he worked on. He soon discovered someone was probably trying to gain access to computers all over the world. Credit...Jon Han ...