[jira] [Work logged] (HADOOP-16906) Add some Abortable.abort() interface for streams etc which can be terminated

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-16906?focusedWorklogId=545210&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-545210 ]

ASF GitHub Bot logged work on HADOOP-16906:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 01/Feb/21 09:40
            Start Date: 01/Feb/21 09:40
    Worklog Time Spent: 10m 
      Work Description: HeartSaVioR opened a new pull request #2667:
URL: https://github.com/apache/hadoop/pull/2667


   NOTE: WIP. DO-NOT-MERGE.
   
   No meaningful tests have been added, as I have no idea where I can add it, and how s3a has been tested
   with integration test manner. (Tests in TestS3ABlockOutputStream only check simple things with mocking
   everything, so can't do some write/upload test with it.)
   
   I got some review comments from @steveloughran in my commit, and will reflect these review comments.
   
   Once it's done I'll remove WIP.


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Issue Time Tracking
-------------------

            Worklog Id:     (was: 545210)
    Remaining Estimate: 0h
            Time Spent: 10m

> Add some Abortable.abort() interface for streams etc which can be terminated
> ----------------------------------------------------------------------------
>
>                 Key: HADOOP-16906
>                 URL: https://issues.apache.org/jira/browse/HADOOP-16906
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs, fs/azure, fs/s3
>    Affects Versions: 3.3.0
>            Reporter: Steve Loughran
>            Priority: Minor
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Some IO we want to be able to abort rather than close cleanly, especially if the inner stream is an HTTP connection which itself supports some abort() method. For example: uploads to an object where we want to cancel the upload without close() making an incomplete write visible.
> Proposed: Add a generic interface which things like streams can implement
> {code}
> AbortableIO {
>   public void abortIO() throws IOE;
> }
> {code}
> +do for s3a output stream. I wouldn't do this a passthrough on FSDataOutputStream because we need to consider what expectations callers have of an operation being "aborted"



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