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https://issues.apache.org/jira/browse/HDFS-3736?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Wang reassigned HDFS-3736:
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Assignee: Andrew Wang
> Failure in starting NN due to fsimage loading failure
> -----------------------------------------------------
>
> Key: HDFS-3736
> URL: https://issues.apache.org/jira/browse/HDFS-3736
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: ha, namenode
> Affects Versions: 2.0.0-alpha
> Reporter: suja s
> Assignee: Andrew Wang
>
> Came across a situation as follows in our test environment.
> NNs running in HA mode.
> While uploading checkpoint, MD5 file renaming from tmp to actual file failed
> due to some reason which is unknown (non IO exception).
> At the same time at standby side, connection imeout occured.
> This lead to tmp MD5 file and original fsimage file (ckpt fsimage file was
> renamed successfully to original fsimage file) in the name dir of active NN.
> On NN restart it checks for MD5 file and since it is not found, startup is
> failing.
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