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https://issues.apache.org/jira/browse/HDFS-3277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Wang updated HDFS-3277:
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Attachment: HDFS-3277.006.patch
Thanks for the review Aaron! New patch attached.
I agree about the secret manager, it looks like all the state being saved is
just reset later anyway. Removed that bit of code, but Colin can ring in if we
missed something.
Hopefully addressed your other comments too.
> fail over to loading a different FSImage if the first one we try to load is
> corrupt
> -----------------------------------------------------------------------------------
>
> Key: HDFS-3277
> URL: https://issues.apache.org/jira/browse/HDFS-3277
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 3.0.0
> Reporter: Colin Patrick McCabe
> Assignee: Andrew Wang
> Attachments: HDFS-3277.002.patch, HDFS-3277.003.patch,
> HDFS-3277.004.patch, HDFS-3277.005.patch, HDFS-3277.006.patch
>
>
> Most users store multiple copies of the FSImage in order to prevent
> catastrophic data loss if a hard disk fails. However, our image loading code
> is currently not set up to start reading another FSImage if loading the first
> one does not succeed. We should add this capability.
> We should also be sure to remove the FSImage directory that failed from the
> list of FSImage directories to write to, in the way we normally do when a
> write (as opopsed to read) fails.
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