postgresql10.3内的函数与该文章的有差别,如下
pg_xlog_location_diff pg_wal_lsn_diff pg_current_xlog_location pg_current_wal_lsn pg_current_xlog_insert_location pg_current_wal_insert_lsn
https://blog.2ndquadrant.com/basics-of-tuning-checkpoints/
来自 “ ITPUB博客 ” ,链接:https://blog.itpub.net/31506529/viewspace-2158286/ ,如需转载,请注明出处,否则将追究法律责任。