[
https://issues.apache.org/jira/browse/HDFS-1521?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Todd Lipcon resolved HDFS-1521.
-------------------------------
Resolution: Fixed
Committed to the HDFS-1073 branch. We will address the BackupNode issues
mentioned by Ivan later on in this branch before merge into trunk.
> Persist transaction ID on disk between NN restarts
> --------------------------------------------------
>
> Key: HDFS-1521
> URL: https://issues.apache.org/jira/browse/HDFS-1521
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: name-node
> Affects Versions: 0.22.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Fix For: Edit log branch (HDFS-1073)
>
> Attachments: FSImageFormat.patch, HDFS-1521.diff, HDFS-1521.diff,
> HDFS-1521.diff, HDFS-1521.diff, HDFS-1521.diff, hdfs-1521.3.txt,
> hdfs-1521.4.txt, hdfs-1521.5.txt, hdfs-1521.txt, hdfs-1521.txt, hdfs-1521.txt
>
>
> For HDFS-1073 and other future work, we'd like to have the concept of a
> transaction ID that is persisted on disk with the image/edits. We already
> have this concept in the NameNode but it resets to 0 on restart. We can also
> use this txid to replace the _checkpointTime_ field, I believe.
--
This message is automatically generated by JIRA.
For more information on JIRA, see: http://www.atlassian.com/software/jira
