[jira] [Created] (HDFS-6848) Lack of synchronization on access to datanodeUuid in DataStorage#format()

[Ted Yu (JIRA)]

Ted Yu created HDFS-6848:
----------------------------

             Summary: Lack of synchronization on access to datanodeUuid in 
DataStorage#format() 
                 Key: HDFS-6848
                 URL: https://issues.apache.org/jira/browse/HDFS-6848
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Ted Yu
            Priority: Minor


{code}
    this.datanodeUuid = datanodeUuid;
{code}
The above assignment should be done holding lock "DataStorage.this" - as is 
done in two other places.



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