[jira] [Commented] (HDFS-8559) Erasure Coding: fix non-protobuf fsimage for striped blocks

["Yi Liu (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HDFS-8559?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14584971#comment-14584971 ] 

Yi Liu commented on HDFS-8559:
------------------------------

Yes, I agree, +1.  Thanks for working on this, Jing!

I have checked related tests, all them passed, will commit the patch shortly.

> Erasure Coding: fix non-protobuf fsimage for striped blocks
> -----------------------------------------------------------
>
>                 Key: HDFS-8559
>                 URL: https://issues.apache.org/jira/browse/HDFS-8559
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Jing Zhao
>            Assignee: Jing Zhao
>            Priority: Minor
>         Attachments: HDFS-8559.000.patch
>
>
> For a legacy fsimage we currently always record its layoutversion as -51 so that we can make sure it cannot be processed by a protobuf-based image parser. Thus the following code in the parser always returns false and the parse will fail.
> {code}
> NameNodeLayoutVersion.supports(
>             NameNodeLayoutVersion.Feature.ERASURE_CODING, imgVersion)
> {code}



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