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https://issues.apache.org/jira/browse/HDFS-4082?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13479960#comment-13479960
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Suresh Srinivas commented on HDFS-4082:
---------------------------------------

One minor note - currently Create and Delete snapshot operations look almost 
identical. I want to keep them separate to ensure Create snapshot operation can 
evolve to have more fields. If not, we can refactor it for better code reuse 
later.
                
> Add editlog opcodes for snapshot related operations
> ---------------------------------------------------
>
>                 Key: HDFS-4082
>                 URL: https://issues.apache.org/jira/browse/HDFS-4082
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: data-node, name-node
>            Reporter: Suresh Srinivas
>            Assignee: Suresh Srinivas
>         Attachments: HDFS-4082.patch
>
>
> This jira tracks snapshot related operations and recording them into 
> editlogs, fsimage and reading them during startup.

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