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https://issues.apache.org/jira/browse/HDFS-4872?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13674371#comment-13674371
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Suresh Srinivas commented on HDFS-4872:
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bq. that would imply the operation shouldn't be delete(inode) but instead
delete(path, inode).
Good point. I had not thought of this.
> Idempotent delete operation.
> ----------------------------
>
> Key: HDFS-4872
> URL: https://issues.apache.org/jira/browse/HDFS-4872
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Affects Versions: 2.0.4-alpha
> Reporter: Konstantin Shvachko
>
> Making delete idempotent is important to provide uninterrupted job execution
> in case of HA failover.
> This is to discuss different approaches to idempotent implementation of
> delete.
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