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From "Vrushali C (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-14147) Backport of HDFS-13056 to the 2.9 branch: "Expose file-level composite CRCs in HDFS"
Date Tue, 08 Jan 2019 23:29:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-14147?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vrushali C updated HDFS-14147:
------------------------------
    Status: Patch Available  (was: Open)

> Backport of HDFS-13056 to the 2.9 branch: "Expose file-level composite CRCs in HDFS"
> ------------------------------------------------------------------------------------
>
>                 Key: HDFS-14147
>                 URL: https://issues.apache.org/jira/browse/HDFS-14147
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: datanode, distcp, hdfs
>    Affects Versions: 2.9.2, 2.9.1, 2.9.0
>            Reporter: Yan
>            Priority: Major
>         Attachments: HDFS-14147-branch-2.9-001.patch, HDFS-14147-branch-2.9-001.patch,
HDFS-14147.pdf
>
>
> HDFS-13056, Expose file-level composite CRCs in HDFS which are comparable across different
instances/layouts, is a significant feature for storage agnostic CRC comparisons between
HDFS and cloud object stores such as S3 and GCS. With the extensively installed base of Hadoop
2, it should make a lot of sense to have the feature in Hadoop 2.
> The plan is to start with the backporting to 2.9, followed by 2.8 and 2.7 in that order.



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