◆ Gentoo Logic · Modeling Warehouse

Architecture comparison

Atlassian vs GitHub

Atlassian runs closer to the foundational model (Cloud-hosted (Bedrock/Vertex/Azure)) than GitHub (Cloud-hosted (Bedrock/Vertex/Azure)). Shared foundation: OpenAI · GPT (highlighted).

Atlassian

DevTools

Proximity
Cloud-hosted (Bedrock/Vertex/Azure)
Models
OpenAI · GPT
Cloud · datastore
AWSPostgreSQLDynamoDBKafka
Compliance
SOC 2ISO 27001FedRAMP (Moderate)
Architecture

Jira/Confluence migrated to an AWS-native multi-tenant platform (Micros) on PostgreSQL + DynamoDB. Atlassian Intelligence wraps OpenAI behind a tenancy/governance layer.

GitHub

DevTools

Proximity
Cloud-hosted (Bedrock/Vertex/Azure)
Models
OpenAI · GPT
Cloud · datastore
AzureMySQL (Vitess)RedisElasticsearch
Compliance
SOC 2FedRAMPISO 27001
Architecture

Owned by Microsoft and migrating into Azure; the monolith is Ruby on Rails over horizontally sharded MySQL (Vitess) with a custom Git backend (Spokes/DGit). Copilot is built on OpenAI.

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