Is it possible to associate a WAL record with it session/process id?
For example, if I have this record in WAL: rmgr: Standby len (rec/tot): 42/ 42, tx: 1142213518, lsn: 36174/FDC19050, prev 36174/FDC19020, desc: LOCK xid 1142213518 db 13091 rel 733108033