Solution : https://service.sap.com/sap/support/notes/1468956 (SAP Service marketplace login required)
Key words :
cpu overload observed durring normal operation, delta pull channel snapshot refresh period, connection pool uwlpool_<alias>$<connectortype>, connection pool uwlpool_<aliasname>$<connectortype>, uwl work item attachments needed, concurrent users' refresh operation, uwl delta pull activated, current pool size limit, items takes place anymore, r3systeminfo#plain###problem occured
Related Notes :
| 1133821 | UWL Destination Service configuration |