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https://issues.apache.org/jira/browse/HDFS-4166?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13493437#comment-13493437
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Suresh Srinivas commented on HDFS-4166:
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bq. What's the advantage of adding this to HDFS itself versus just automating
snapshot creation via cron or some other periodic scheduling system?
That is a good question. I am mulling over this as well, along the same lines
as you. Perhaps we could discuss this in today's meetup.
The main reason why I am considering this is - you need to have a separate
scheduling system, that needs to be highly available, then it needs to deal
with non-availability of namenode etc. So a daemon thread along the lines of
replication factor may be a simpler solution. But want to hear what others
think.
> Add support for scheduled automatic snapshots
> ---------------------------------------------
>
> Key: HDFS-4166
> URL: https://issues.apache.org/jira/browse/HDFS-4166
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: name-node
> Affects Versions: Snapshot (HDFS-2802)
> Reporter: Suresh Srinivas
> Assignee: Suresh Srinivas
>
> This jira will track the work related to supporting automatic scheduled
> snapshots.
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