c 
Percona
DECEMBER 20, 2023
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.
Brendan Gregg
AUGUST 18, 2019
C @ns: [256, 512) 10900 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ | [512, 1k) 18291 |@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@| [1k, 2k) 4998 |@@@@@@@@@@@@@@ | [2k, 4k) 57 | | [4k, 8k) 117 | | [8k, 16k) 48 | | [16k, 32k) 109 | | [32k, 64k) 3 | |. This example instrumented one of many thousands of available events. Hit Ctrl-C to end.
SQL Server According to Bob
JANUARY 11, 2020
Various defragmentation utilities are available on the market today. Therefore, the database can have pages in any one of the three available verification states.
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