Solution : https://service.sap.com/sap/support/notes/68511 (SAP Service marketplace login required)
Key words :
frequent/long sequential read operation, profile parameter rdisp/max_com_msg, profile parameter rdisp/elem_per_queue, spool work process carries, incorrect spool work process, work process request queue, commit-send-queue, spool work process, incoming messages accumulate, spool server assigned
Related Notes :
65109 | Long delays when printing during overload |
19706 | Tuning the Spooler |
16772 | Dispatcher queue for the spooler |
15606 | Overflow of dispatcher request queue |