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https://issues.apache.org/jira/browse/HDDS-3763?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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runzhiwang updated HDDS-3763:
-----------------------------
    Description: Serialization between UUID and String not only cost cpu, but 
also make the proto bigger, because uuid is just a number which is 16Byte, 
covet it to string will need 32Byte. 

> Avoid serialization between UUID and String 
> --------------------------------------------
>
>                 Key: HDDS-3763
>                 URL: https://issues.apache.org/jira/browse/HDDS-3763
>             Project: Hadoop Distributed Data Store
>          Issue Type: Sub-task
>            Reporter: runzhiwang
>            Assignee: runzhiwang
>            Priority: Major
>
> Serialization between UUID and String not only cost cpu, but also make the 
> proto bigger, because uuid is just a number which is 16Byte, covet it to 
> string will need 32Byte. 



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