add ability to override tuning calculated values #1490

Job	Run time
Execute init_dbserver tests for PostgreSQL 14 on RockyLinux8	4m 20s
Execute install_dbserver tests for PostgreSQL 14 on RockyLinux8	5m 25s
Execute manage_pgpool2 tests for PostgreSQL 14 on RockyLinux8	11m 47s
Execute manage_dbserver tests for PostgreSQL 14 on RockyLinux8	2m 57s
Execute setup_pgpool2 tests for PostgreSQL 14 on RockyLinux8	5m 6s
Execute setup_replication tests for PostgreSQL 14 on RockyLinux8	2m 27s
Execute manage_pgbouncer tests for PostgreSQL 14 on RockyLinux8	2m 18s
Execute ansible-lint	1m 0s
Execute setup_dbt2 tests for PostgreSQL 14 on RockyLinux8	2m 15s
Execute setup_dbt2_client tests for PostgreSQL 14 on RockyLinux8	2m 19s
Execute setup_dbt2_driver tests for PostgreSQL 14 on RockyLinux8	13m 57s
Execute setup_dbt3 tests for PostgreSQL 14 on RockyLinux8	2m 42s
Execute setup_dbt7 tests for PostgreSQL 14 on RockyLinux8	3m 48s
Execute setup_pgbouncer tests for PostgreSQL 14 on RockyLinux8	4m 0s
Execute setup_repmgr tests for PostgreSQL 14 on RockyLinux8	2m 32s
Execute setup_repo tests for PostgreSQL 14 on RockyLinux8	2m 23s
	1h 9m 16s

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