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From "Anu Engineer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9498) Move code that tracks orphan blocks to BlockManagerSafeMode
Date Wed, 06 Jan 2016 17:52:40 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9498?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15085933#comment-15085933

Anu Engineer commented on HDFS-9498:

+1 (non-binding), LGTM

> Move code that tracks orphan blocks to BlockManagerSafeMode
> -----------------------------------------------------------
>                 Key: HDFS-9498
>                 URL: https://issues.apache.org/jira/browse/HDFS-9498
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: namenode
>            Reporter: Mingliang Liu
>            Assignee: Mingliang Liu
>         Attachments: HDFS-9498.000.patch, HDFS-9498.001.patch, HDFS-9498.002.patch, HDFS-9498.003.patch,
> [HDFS-4015] counts and reports orphaned blocks  {{numberOfBytesInFutureBlocks}} in safe
mode. It was implemented in {{BlockManager}}. Per discussion in [HDFS-9129] which introduces
the {{BlockManagerSafeMode}}, we can move code that maintaining orphaned blocks to this class.
> Leaving safe mode checks blocks with future GS in {{FSNamesystem}}. This code can also
be moved to {{BlockManagerSafeMode}}.

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