[jira] Commented: (HDFS-1462) Refactor edit log loading to a separate class from edit log writing

["Jitendra Nath Pandey (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HDFS-1462?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12924094#action_12924094 ] 

Jitendra Nath Pandey commented on HDFS-1462:
--------------------------------------------

This patch removes the references to namesystem object from FSEditlog, which is a good thing. 
FSEditlog still refers to FSNamesystem.LOG, if LOG object could be passed as a parameter, we could remove all references to FSNamesystem from FSEditlog.

> Refactor edit log loading to a separate class from edit log writing
> -------------------------------------------------------------------
>
>                 Key: HDFS-1462
>                 URL: https://issues.apache.org/jira/browse/HDFS-1462
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: name-node
>    Affects Versions: 0.22.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>         Attachments: hdfs-1462.txt, hdfs-1462.txt, hdfs-1462.txt
>
>
> Before the major work in HDFS-1073, I'd like to do this refactor to clean up the monster FSEditLog class. We can separate all the functions that take of loading edits into an FSN from the functions that take care of writing edits, rolling, etc.

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