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https://issues.apache.org/jira/browse/HDFS-15830?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17284178#comment-17284178
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Hui Fei commented on HDFS-15830:
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[~sodonnell] Thanks for comments
{quote}
I would like to understand if you are seeing any problems with the parallel
loading feature.
{quote}
I didn't see any problems.
I want to use this feature and i prepare rollback plan in case unexpected
things happen in production environment
> Support to make dfs.image.parallel.load reconfigurable
> ------------------------------------------------------
>
> Key: HDFS-15830
> URL: https://issues.apache.org/jira/browse/HDFS-15830
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Reporter: Hui Fei
> Assignee: Hui Fei
> Priority: Major
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> After HDFS-14617, loading fsimage improve a lot.
> If something unexpected happens, we have to load old image to restart
> namenode.
> So advise that we make dfs.image.parallel.load reconfigurable, then we can
> save new fsimage.
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