Use NetworkTopologyStrategy instead of SimpleStrategy

[ndr-ds]

Motivation

SimpleStrategy is not recommended to be used in production

Proposal

Use the recommended production setting

Test Plan

CI + deploy network with this

Release Plan

• Nothing to do / These changes follow the usual release cycle.

[ndr-ds]

• Use newer Scylla driver crate version #3772 : 2 dependent PRs (#3773 , #3790 )
• Use newer ScyllaDB Chart versions #3789
• Use NetworkTopologyStrategy instead of SimpleStrategy #3880 👈 (View in Graphite)
• Make ScyllaDB replication factor configurable #3788 : 1 other dependent PR (#3638 )
• Add Local SSD support #3879
• Add dual store support #3878
• Recursively create parent directories when creating config dir #3897
• Adjust state hash computation bucket #3877
• Actually use backend config #3876
• Make release the default mode for Dockerfile #3871 : 1 other dependent PR (#3113 )
• main

This stack of pull requests is managed by Graphite. Learn more about stacking.

[MathieuDutSik]

Accept as this is the strategy used in datacenters.
That being said, if you want to do something more subtle like 2 replicas in one place and 2 in another place, the code will have to change.

[ndr-ds]

Merge activity

• May 9, 5:25 PM EDT: A user started a stack merge that includes this pull request via Graphite.
• May 9, 5:37 PM EDT: Graphite rebased this pull request as part of a merge.
• May 9, 5:38 PM EDT: @ndr-ds merged this pull request with Graphite.