store-db add more appropriate db settings for current db hw

[Ivansete-status]

After one week of larger hardware in status.prod's db hosts (8 GB RAM, 4 CPUs) we still don't have an evident performance enhancement.
This PR aims at getting the major profit from the current hardware in status.prod.

We still have high swap level and the RAM is not completely used:

⚠️ these new settings might not be suitable for current status.staging's hardware.

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ℹ️
I attach the stats before and after increasing the hw
stats-prev.csv
stats.csv

[apentori]

If those change are only for status.prod,we need to load them depending on the env.
I will modify the PR later for that.

[apentori]

How do you want us to apply the change ? Only to one db / all at once ?

[Ivansete-status]

How do you want us to apply the change ? Only to one db / all at once ?

All at once. I can compare them with previous performance

[jakubgs]

It would make sense to make those settings dependent on available memory on the host rather than hardcoding them.

[apentori]

Applied in status.prod

[Ivansete-status]

Thanks @apentori 🥳 ! The issue is completed successfully.

The nodes are swapping less now.

Before the change:

After the change: