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Using Huge Pages with PostgreSQL Running Inside Kubernetes

Percona

Modern servers operate with terabytes of RAM, and by default, processors work with virtual memory address translation for each 4KB page. OS maintains a huge list of allocated and free pages to make slow but reliable address translation from virtual to physical. Kubectl helps to check the amount of huge pages available.

C++ 95
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What are the best multi-browser testing tools?

Testsigma

Also, we can run tests in parallel across various browsers that are available on the local machines. Plus, it’s a cloud-based testing platform that supports testing on both real devices and virtual devices. MultiBrowser supports testing on all versions of Chrome, Firefox, Edge, and Internet Explorer 11. Picture Credit: MultiBrowser.

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A thorough introduction to bpftrace

Brendan Gregg

This example instrumented one of many thousands of available events. bpftrace uses BPF (Berkeley Packet Filter), an in-kernel execution engine that processes a virtual instruction set. If you have some weird performance problem, there's probably some bpftrace one-liner that can shed light on it.

Latency 68
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SQL Server I/O Basics Chapter #2

SQL Server According to Bob

​​ Various defragmentation ​​ utilities ​​ are ​​ available ​​ on the market today. Therefore, the database can have pages in any one of the three available verification states. ​​ The following table outlines the virtual protection states.

Servers 40