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Rene Cannao 5c3bc7dee2 fix(infra): cap pgsql_servers max_connections to 50 per HG ... ProxySQL was configured with pgsql_servers.max_connections=500 on BOTH hostgroups (0 and 1) pointing at the same backend, implying a pool cap of 1000 connections against a PostgreSQL container that only allows 120 (117 non-super). Under test workload the non-super slots would fill up and PostgreSQL rejected new Monitor connects with: FATAL: remaining connection slots are reserved for roles with the SUPERUSER attribute This caused pgsql-monitor_ssl_connections_test-t (PHASE 1) and pgsql-servers_ssl_params-t (test 33) to fail — the SSL Monitor counter couldn't advance because the Monitor couldn't connect. PostgreSQL doesn't scale well with connection count, so lower the per-hostgroup cap to 50 (total 100 across the two HGs), leaving ample headroom under PG's max_connections=120 for monitor + superuser slots. The 500 value was templated from the MySQL/MariaDB infras during unify-PR-5433-5442, where each backend's server-side max_connections=500 matches ProxySQL's cap. PostgreSQL here is a different beast and the copy-paste didn't fit.		3 months ago
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pgsql	fix(tests): resolve 3 additional TAP test failures	3 months ago
proxysql	fix(infra): cap pgsql_servers max_connections to 50 per HG	3 months ago