if you see this message in alert log and replicat is abend

OGG-01172  Oracle GoldenGate Delivery for Oracle, r_icj01.prm:  Discard file (./dirrpt/rpdw.dsc) exceeded max bytes (3000000)

then you need to increase the size of discard file and restrt the replicat. i have increase it to 500 M

Replicat R_ICJ01
--increasing discardfile size commenting old setting due to Discard file (./dirrpt/rpdw.dsc) exceeded max bytes (3000000) error
--DiscardFile ./dirrpt/rpdw.dsc, Purge
DiscardFile ./dirrpt/rpdw.dsc, append, megabytes 500