If you've been using windows event syncronization, then
VACUUM FULL WIN_EVENT_LOG;
query might help, but it also needs additional disk space for it to run (https://www.postgresql.org/docs/current/sql-vacuum.html).
If do don't need any records from this table, then
TRUNCATE WIN_EVENT_LOG;
will clean all records and instantly reclaim disk space
VACUUM FULL WIN_EVENT_LOG;
query might help, but it also needs additional disk space for it to run (https://www.postgresql.org/docs/current/sql-vacuum.html).
If do don't need any records from this table, then
TRUNCATE WIN_EVENT_LOG;
will clean all records and instantly reclaim disk space