feat: initial implementation of metadata aggregator

- gRPC service with MusicBrainz provider - PostgreSQL schema with migrations - Service layer with database-first caching - Repository pattern for data access - YAML configuration support - Research documentation for 17 music metadata projects
2026-04-28 16:27:14 +02:00
commit a1f6701bac
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+shared_preload_libraries = 'pg_prewarm'
+
+pg_prewarm.autoprewarm = true
+pg_prewarm.autoprewarm_interval = 300
+
+shared_buffers = 256MB
+effective_cache_size = 768MB
+work_mem = 16MB
+maintenance_work_mem = 128MB