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https://issues.apache.org/jira/browse/HDFS-842?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Allen Wittenauer resolved HDFS-842.
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Resolution: Fixed
> Serialize NN edits log as avro records
> --------------------------------------
>
> Key: HDFS-842
> URL: https://issues.apache.org/jira/browse/HDFS-842
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: namenode
> Reporter: Todd Lipcon
>
> Right now, the edits log is a mishmash of ad-hoc serialization and Writables.
> Switching it over to Avro records would be really useful for operator tools -
> an "offline edits viewer" would become trivial ("avrocat")
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