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https://issues.apache.org/jira/browse/HDFS-1414?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12915087#action_12915087
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Tanping Wang commented on HDFS-1414:
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I removed the hadoop-14-dfs-dir.tgz that I generated with added VERSION files
because after adding clusterID and blockpoolID. We need to generate new
FSImages that is used in TestUpgradeFromImage. However as I commented in
HADOOP-2797. Since there is test program to generate these FSImages, I need to
write one that contains the various categories
* zero length files
* file with replication set higher than number of datanodes
* file with no .crc file
* file with corrupt .crc file
* file with multiple blocks (will need to set dfs.block.size to a small
value)
* file with multiple checksum blocks
* empty directory
* all of the above again but with a different io.bytes.per.checksum setting
Except for the very initiative ones such as zero length files or empty
directory, I need to spend some time to find out how to make
* file with replication set higher than number of datanodes
* file with no .crc file
* file with corrupt .crc file
* file with multiple blocks (will need to set dfs.block.size to a small
value)
* file with multiple checksum blocks
Any how, I think the test should be easier to maintain than how it is now......
> HDFS federation : fix unit test cases
> -------------------------------------
>
> Key: HDFS-1414
> URL: https://issues.apache.org/jira/browse/HDFS-1414
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Tanping Wang
> Attachments: HDFS1414-branchHDFS1052.1.patch
>
>
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