Exclude replication sessions from activity statistics

Author: Roman Nikolaev

mamonsu/plugins/pgsql/oldest.py

@@ -19,7 +19,7 @@ class Oldest(Plugin):
     OldestQuerySql = """
 select
     extract(epoch from max(now() - xact_start))
-from pg_catalog.pg_stat_activity;
+from pg_catalog.pg_stat_activity where pid not in (select pid from pg_stat_replication);
 """
 
     OldestQuerySql_bootstrap = """

mamonsu/tools/bootstrap/sql.py

@@ -70,6 +70,7 @@
     SELECT
         extract(epoch from max(now() - xact_start))
     FROM pg_catalog.pg_stat_activity
+    WHERE pid not in (select pid from pg_stat_replication)
 $$ LANGUAGE SQL SECURITY DEFINER;
 
 CREATE OR REPLACE FUNCTION public.mamonsu_count_{3}_files()