Automatic configuration of HugePages

[vitabaks]

Feature: Automatic Configuration of HugePages

Tasks:

1. Automatic Configuration of HugePages:

   • Implement automatic detection and configuration of the vm.nr_hugepages parameter.
   • Link to the current setting: system.yml#L56.

2. Pre-check:

   • Add a pre-check for the huge_pages parameter in PostgreSQL.
   • If the huge_pages parameter is set to on, verify that the vm.nr_hugepages kernel parameter is configured with a sufficient value.

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[rcknr]

I have just enabled this in my cluster with 1GB pages, so I could contribute to this feature.

[vitabaks]

@rcknr Thank you, I'm already working on it, I'll publish a PR soon and I'll be glad if you take part in the testing.

[vitabaks]

PR: #713