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From "Pieter Reuse (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-9565) Add a Blobstore interface to add to blobstore FileSystems
Date Fri, 29 Jul 2016 14:22:21 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-9565?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Pieter Reuse updated HADOOP-9565:
---------------------------------
    Attachment: HADOOP-9565-007.patch

Uploaded patch version 7:
* Renamed UnsatisfiedSemanticsException to UnsatisfiedFeatureException
* Renamed ObjectStoreFeatures to ObjectStoreFeature and changed to an enum-based approach
* added style improvements to FileOutputCommitter, since we're changing a lot of lines throughout
the class. Makes this patch prone to become non-applicable when other patches change this
class.

Chris, thanks for pointing out Steve will be enjoying a well earned break the coming weeks.
We will have patience w.r.t. his response.

> Add a Blobstore interface to add to blobstore FileSystems
> ---------------------------------------------------------
>
>                 Key: HADOOP-9565
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9565
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs, fs/s3, fs/swift
>    Affects Versions: 2.6.0
>            Reporter: Steve Loughran
>            Assignee: Pieter Reuse
>         Attachments: HADOOP-9565-001.patch, HADOOP-9565-002.patch, HADOOP-9565-003.patch,
HADOOP-9565-004.patch, HADOOP-9565-005.patch, HADOOP-9565-006.patch, HADOOP-9565-007.patch
>
>
> We can make the fact that some {{FileSystem}} implementations are really blobstores,
with different atomicity and consistency guarantees, by adding a {{Blobstore}} interface to
add to them. 
> This could also be a place to add a {{Copy(Path,Path)}} method, assuming that all blobstores
implement at server-side copy operation as a substitute for rename.



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