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https://issues.apache.org/jira/browse/HDFS-13713?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16604207#comment-16604207
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Ewan Higgs commented on HDFS-13713:
-----------------------------------
003
* Update specifications based on [[email protected]]'s comments.
* Add tests to check for conditions discussed.
* Add precondition checks to collect that part numbers are distinct and that no
directory has been placed in the way before the commit took place.
Given that we now check explicitly for distinct part numbers, I'd be amenable
to changing from {{List<Pair<Integer, PartHandle>>}} to {{Map<Integer,
PartHandle>}}.
> Add specification of Multipart Upload API to FS specification, with contract
> tests
> ----------------------------------------------------------------------------------
>
> Key: HDFS-13713
> URL: https://issues.apache.org/jira/browse/HDFS-13713
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: fs, test
> Affects Versions: 3.2.0
> Reporter: Steve Loughran
> Assignee: Ewan Higgs
> Priority: Blocker
> Attachments: HDFS-13713.001.patch, HDFS-13713.002.patch,
> HDFS-13713.003.patch, multipartuploader.md
>
>
> There's nothing in the FS spec covering the new API. Add it in a new .md file
> * add FS model with the notion of a function mapping (uploadID -> Upload),
> the operations (list, commit, abort). The [TLA+
> mode|https://issues.apache.org/jira/secure/attachment/12865161/objectstore.pdf]l
> of HADOOP-13786 shows how to do this.
> * Contract tests of not just the successful path, but all the invalid ones.
> * implementations of the contract tests of all FSs which support the new API.
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