https://userapps.support.sap.com/sap/support/knowledge/en/2397720
2397720 - Dump database command run slower on a new ASE16 host - SAP ASE | SAP Knowledge Base...
Migrating an existing ASE 15.7 database to a new ASE 16 on another host. The dump database command on the ASE 16 run much slower than the old ASE 15.7.