Solution : https://service.sap.com/sap/support/notes/384277 (SAP Service marketplace login required)
Key words :
client breltyp utctime nonunique index idocrel-003 column, relationid nonunique index idocrel-002 column, nonunique index idocrel-001 column, primary index idocrel~0, creating secondary indexes, client role_b, table idocrel, suitable index, index design, secondary indexes
Related Notes :
707820 | Performance: Object links and RSRLDREL |
490297 | Processing-intensive SQL statement in the RSRLDREL report |
313853 | Poor performance during link display |