[未完待续] Greenplum 连接池实践
背景
https://www.linkedin.com/pulse/scaling-greenplum-pgbouncer-sandeep-katta-/?articleId=6128769027482402816
https://greenplum.org/docs/admin_guide/access_db/topics/pgbouncer.html
http://www.pgpool.net/mediawiki/index.php/Main_Page