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https://issues.apache.org/jira/browse/HDFS-5248?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13774813#comment-13774813
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Kai Zheng commented on HDFS-5248:
---------------------------------
I guess there might be a place calling ugi.doAs or like that in the callers of
putFSImage(). If so, perhaps there adding the checkTGTAndReloginFromKeytab()
call might work with minimized change. HADOOP-9797 is working on something that
does such job automatically. For ugi logined from keytab or ticket cache, it
has choice to be automatically renewed.
> Checkpointing fails in uploading the Image to the Namenode if the merge
> requires more than 10 hours in secure cluster
> ---------------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-5248
> URL: https://issues.apache.org/jira/browse/HDFS-5248
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.1.0-beta, 1.2.1
> Reporter: Benoy Antony
> Assignee: Benoy Antony
> Attachments: HDFS-5248-1.patch
>
>
> If the merge takes up more than 10 hours, the TGT of the SNN expires and SNN
> will fail to upload the image to the Namenode
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