要監(jiān)控PostgreSQL數(shù)據(jù)庫的性能,可以使用以下命令行工具:
SELECT * FROM pg_stat_activity;
SELECT * FROM pg_stat_database;
SELECT * FROM pg_stat_all_tables;
SELECT * FROM pg_statio_all_tables;
SELECT * FROM pg_stat_user_tables;
SELECT * FROM pg_statio_user_tables;
SELECT * FROM pg_stat_bgwriter;
這些命令行工具可以幫助您監(jiān)控?cái)?shù)據(jù)庫的性能,并及時(shí)發(fā)現(xiàn)潛在的性能問題。您也可以結(jié)合使用pg_monitor等第三方工具來更詳細(xì)地監(jiān)控和分析數(shù)據(jù)庫性能。