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https://issues.apache.org/jira/browse/HDFS-254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12759429#action_12759429
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dhruba borthakur commented on HDFS-254:
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Unit tests to verify the following:
- distcp should not follow symlinks by default, instead copy the link only
- symlinks contribute towards namespace quotas
- symlinks do not consume disk space quota
- fsck is reporting the right number of symlinks
- lsr does not follow symlinks
- rmr does not follow symlinks
- dfs -dus, dfs -count does not follow symlinks
- setquota, getquota on a symlink raises an exception
- max length of the name of a symlink is the same as the max length of a
regular file
- creation of a symlink to ".." and then accessing a file in that path should
bail out smoothly
> Add more unit test for HDFS symlinks
> ------------------------------------
>
> Key: HDFS-254
> URL: https://issues.apache.org/jira/browse/HDFS-254
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: dhruba borthakur
> Assignee: Eli Collins
>
> HADOOP-4044 introduces symbolic links in HDFS. That patch has some unit tests
> associated with it. The aim of this JIRA is to add more unit tests (including
> negative tests):
> deleting a symlink that points to a file
> deleting a symlink that points to a directory
> symlink to a symlink
> any test cases with relative links
> delete linked to file, but not link, access link
> delete linked to file, recreate the same file, access link
> links to other filesystems
> archives containing links
> rename a file to an existing symlink
> rename a symlink to an existing file
> setTimes and setReplication cases should check the result on both the symlink
> and linked to file
> tests involving lack of permissions to create symlinks
> tests that try to createSymlinks with filesystems that don't support them
> ...
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