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https://issues.apache.org/jira/browse/HDFS-2430?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aaron T. Myers updated HDFS-2430:
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Attachment: HDFS-2430.patch
Thanks a lot for the comments, Todd. Here's a patch which addresses the issue.
This implements option 1 as described above.
I deviated slightly from what I initially described regarding the configuration
parameters. Instead of two new configs, there's just a new "required" config.
The previous edit dir config options are treated as they were before - as
redundant directories. Some of these may be marked "required" using the new
config introduced by this patch.
> The number of failed or low-resource volumes the NN can tolerate should be
> configurable
> ---------------------------------------------------------------------------------------
>
> Key: HDFS-2430
> URL: https://issues.apache.org/jira/browse/HDFS-2430
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: name-node
> Affects Versions: 0.24.0
> Reporter: Aaron T. Myers
> Assignee: Aaron T. Myers
> Attachments: HDFS-2430.patch
>
>
> Currently the number of failed or low-resource volumes the NN can tolerate is
> effectively hard-coded at 1. It would be nice if this were configurable.
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