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Hi User1779355 -
The My Oracle Support Community which covers all support related questions about EXADATA is available under: https://communities.oracle.com/portal/server.pt/community/exadata_general/360
Have you ever visited the Community to exchange, learn, share and get answers to your support related questions?
Your query is being progressed on the My Oracle Support Community for Exadata:
If you have not used the My Oracle Support Communities before, please watch this brief (2 minute) video to help you quickly understand the benefits available to you.
At your service,
1. Are you having a performance problem, or are you just curious about these wait events? These are "normal" wait events when running parallel query
2. Are you using CONCURRENT stats?