[jira] Resolved: (HADOOP-3627) HDFS allows deletion of file while it is stil open

["Lohit Vijayarenu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-3627?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Lohit Vijayarenu resolved HADOOP-3627.
--------------------------------------

    Resolution: Won't Fix

Thanks Owen, Doug. I should have explained background of this issue as well. We saw this case (running 0.17), when coupled with NameNode dropping request when it is under load caused the write to hang. On trunk, namenode would no longer drop requests, and we agree that we are not changing semantics of deleted while writing. I will close this as wont fix. 

> HDFS allows deletion of file while it is stil open
> --------------------------------------------------
>
>                 Key: HADOOP-3627
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3627
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.19.0
>            Reporter: Lohit Vijayarenu
>
> This was a single node cluster, so my DFSClient was from same machine. In a terminal I was writing to a HDFS file, while on another terminal deleted the same file. Deletion succeeded, and the write client failed. If the write was still going on, then the next block commit would result in exception saying, the block does not belong to any file. If the write was about to close, then we get an exception in completing a file because getBlocks fails. 
> Should we allow deletion of file? Even if we do, should the write fail?

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