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https://issues.apache.org/jira/browse/HDFS-8846?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14649923#comment-14649923
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Zhe Zhang commented on HDFS-8846:
---------------------------------
[~mingma] [~cmccabe] Let me know if the below looks a reasonable plan:
# Start a local 2.5.2 cluster (it's just the oldest version shown on Apache
website, let me know if the version is appropriate)
# Add the following Ops:
#* Create a directory
#* Copy ~10 local files into the dir
#* Delete a few copied files
# Add the generated edit log files in
{{hadoop-hdfs-project/hadoop-hdfs/target/test/data/dfs/old-edits}}
# Copy over old edits in {{TestDFSUpgrade#testPreserveEditLogs}}
Thanks
> Create edit log files with old layout version for upgrade testing
> -----------------------------------------------------------------
>
> Key: HDFS-8846
> URL: https://issues.apache.org/jira/browse/HDFS-8846
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 2.7.1
> Reporter: Zhe Zhang
> Assignee: Zhe Zhang
>
> Per discussion under HDFS-8480, we should create some edit log files with old
> layout version, to test whether they can be correctly handled in upgrades.
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