I have written the first cut of documentations focusing on performance aspect of Pgpool-II. http://tatsuo-ishii.github.io/pgpool-II/current/performance.html Comments and suggestions are welcome. Best regards, -- Tatsuo Ishii SRA OSS, Inc. Japan English: http://www.sraoss.co.jp/index_en.php Japanese:http://www.sraoss.co.jp