maobaolong created HDDS-3707:
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Summary: UUID can be non unique for a huge samples
Key: HDDS-3707
URL: https://issues.apache.org/jira/browse/HDDS-3707
Project: Hadoop Distributed Data Store
Issue Type: Bug
Components: om, Ozone Datanode, SCM
Affects Versions: 0.7.0
Reporter: maobaolong
Now, we have used UUID as id for many places, for example, DataNodeId,
pipelineId. I believe that it should be pretty less chance to met collision,
but, if met the collision, we are in trouble.
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