I do not know - this is the only source I'm aware of and the wording is vague enough that the above is just my interpretation of it. It could be highly targeted but the manner of wording indicates a strong preference that smells of a large migration.

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evanelias 5 hours ago | parent [-]

What part of the wording gives you that impression? On these topics, the post literally just says the following:

"bottlenecks that appeared faster than expected from moving webhooks to a different backend (out of MySQL)"

"Similarly, we accelerated parts of migrating performance or scale sensitive code out of Ruby monolith into Go" (in a paragraph specifically about "critical services like git and GitHub Actions")

Both of those sound highly targeted to me!

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munk-a 5 hours ago | parent [-]

> While we were already in progress of migrating out of our smaller custom data centers into public cloud, we started working on path to multi cloud. This longer-term measure is necessary to achieve the level of resilience, low latency, and flexibility that will be needed in the future.

That paragraph read, to me at least, that the initial targeted changes were just the tip of the iceberg and that much heavier lifting than initially budgeted were now in scope.

	▲	evanelias 4 hours ago \| parent [-]
		"smaller custom data centers into public cloud" is talking about their Azure migration, so "multi cloud" would almost certainly mean extending a presence into AWS and/or GCP (or maybe others like OCI). I'm sorry but I really don't see how you're drawing conclusions about this meaning a move off of Ruby and MySQL entirely. That's a huuuge logical leap away from what is written in this post, and you originally stated it in a way that indicated this was a fact.