Solution : https://service.sap.com/sap/support/notes/572835 (SAP Service marketplace login required)
Key words :
customer message fromthe ipc develpment support, large numberof knowledge bases, updated versions ofknowledge bases, theknowledge base version check, whichchanged knowledge base versions, symptom ipc server takes, terms sce_kb_update_interval reason, sce_kb_update_interval to60 minutes 60 1000 = 3600000, add theparameter sce_kb_update_interval, ipc server
Related Notes :
653483 | IPC Server does not restart after db connection failure |
372170 | IPC: Server needs too much processor time |