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From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-8563) Erasure Coding: fsck handles file smaller than a full stripe
Date Thu, 09 Jul 2015 17:58:04 GMT

     [ https://issues.apache.org/jira/browse/HDFS-8563?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jing Zhao updated HDFS-8563:
----------------------------
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s: HDFS-7285
           Status: Resolved  (was: Patch Available)

+1. I've committed this to the feature branch. Thanks Walter for the contribution!

> Erasure Coding: fsck handles file smaller than a full stripe
> ------------------------------------------------------------
>
>                 Key: HDFS-8563
>                 URL: https://issues.apache.org/jira/browse/HDFS-8563
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Walter Su
>            Assignee: Walter Su
>             Fix For: HDFS-7285
>
>         Attachments: HDFS-8563-HDFS-7285.01.patch, HDFS-8563-HDFS-7285.02.patch
>
>
> Uploaded a small file. Fsck shows it's UNRECOVERABLE. It's not correct.
> {noformat}
> Erasure Coded Block Groups:
>  Total size:    1366 B
>  Total files:   1
>  Total block groups (validated):        1 (avg. block group size 1366 B)
>   ********************************
>   UNRECOVERABLE BLOCK GROUPS:   1 (100.0 %)
>   MIN REQUIRED EC BLOCK:        6
>   ********************************
>  Minimally erasure-coded block groups:  0 (0.0 %)
>  Over-erasure-coded block groups:       0 (0.0 %)
>  Under-erasure-coded block groups:      1 (100.0 %)
>  Unsatisfactory placement block groups:         0 (0.0 %)
>  Default schema:        RS-6-3
>  Average block group size:      4.0
>  Missing block groups:          0
>  Corrupt block groups:          0
>  Missing ec-blocks:             5 (55.555557 %)
> {noformat}



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