EXPERIMENT: Auto-tune PostgreSQL parameters #356
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| postgresql_max_connections: 500 | ||
| postgresql_shared_buffers: 512MB | ||
| postgresql_effective_cache_size: 1GB | ||
| postgresql_pulp_connections_count: "{{ pulp_worker_count + pulp_content_service_worker_count + pulp_api_service_worker_count }}" |
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On the design, as we aim for role isolation, this should not reference the other roles variables. The right place would be something like vars/defaults.yml like you have in the PR.
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PTAL at the new version.
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This PR is opened for people to comment on it :)
Something similar to this is how I envision we should autoconfigure (at least) PostgrSQL tuning.
All the numbers derive only from one variable:
foreman_puma_threads_max, which (right now) would be the only one to "play" with.This approach tries to come up with similar figures to what current
--tuningwould return for the same hardware.