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https://issues.apache.org/jira/browse/HDFS-7991?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jing Zhao updated HDFS-7991:
----------------------------
Attachment: HDFS-7991.001.patch
Thanks for the review, [~kihwal]! Update the patch to address your comments:
# Add an extra variable "HDFS_CHECKPOINT_BEFORE_STOP_NAMENODE" to control if
the functionality is on. The default value is on.
# Add check for the first "-safemode enter" command. Move this part of script
into a function
The patch also fixes the return value of {{NameNodeRpcServer#saveNamespace}}. I
tested the patch in my local cluster and looks like it works as expected.
> Allow users to skip checkpoint when stopping NameNode
> -----------------------------------------------------
>
> Key: HDFS-7991
> URL: https://issues.apache.org/jira/browse/HDFS-7991
> Project: Hadoop HDFS
> Issue Type: Improvement
> Affects Versions: 3.0.0
> Reporter: Jing Zhao
> Assignee: Jing Zhao
> Attachments: HDFS-7991.000.patch, HDFS-7991.001.patch
>
>
> This is a follow-up jira of HDFS-6353. HDFS-6353 adds the functionality to
> check if saving namespace is necessary before stopping namenode. As [~kihwal]
> pointed out in this
> [comment|https://issues.apache.org/jira/browse/HDFS-6353?focusedCommentId=14380898&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14380898],
> in a secured cluster this new functionality requires the user to be kinit'ed.
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