Vmware probe suddenly bombarding data_engine with tens of thousands events

Document ID : KB000108540
Last Modified Date : 30/07/2018
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Issue:
Vmware probe suddenly bombarding data_engine with tens of thousands events and data_engine is not inserting data into DB anymore.

checked the D_E log and found 
Jul 30 12:08:07:826 [7064] de: QoSInsert::CreateQoSObjectDB - QoS object creation failed, unknown reason 
Jul 30 12:08:07:826 [7064] de: QoSInsert::InsertData Failed to create data object in DB. id=-1 defid 11 qos=QOS_VMWARE_VARIABLE 
Jul 30 12:08:07:826 [7064] de: SubscribeCallback - disconnected from hub [queue: data_engine] 
Jul 30 12:08:21:887 [7064] de: ADO_QoSInsert::InsertQosObjectEx - exists already qos=QOS_VMWARE_VARIABLE, source=åbaatpv01, target=GuestMemoryUsage (in % of Memory) 
Jul 30 12:08:21:888 [7064] de: QoSInsert::CreateQoSObjectDB - QoS object creation failed, unknown reason 
Environment:
uim 8.5.1
vmware probe 6.87
data_engine 8.50
Resolution:
Looks like weird unsupported server name in source was causing this.
Customer changed that server name on vcenter side and it seems that this helped.