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https://issues.apache.org/jira/browse/HDFS-11065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15616806#comment-15616806
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Mingliang Liu commented on HDFS-11065:
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[~xiaobingo], when you find some test cases that are already covered, would you
not delete them simply? Instead, you can update the list with the information
about its coverage including test class name, method etc. Your analysis is very
useful. Thanks,
> Add space quota tests for heterogenous storages
> -----------------------------------------------
>
> Key: HDFS-11065
> URL: https://issues.apache.org/jira/browse/HDFS-11065
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs
> Reporter: Xiaobing Zhou
> Assignee: Xiaobing Zhou
> Labels: fs, test
>
> There aren't much tests to verify space quota for heterogenous storages. It's
> quite important to ensure space quota works well in modern clusters typically
> built out of diversified storage structures. This proposes adding new tests
> to cover the following scenarios.
> # Tests space quota for storage policy = WARM
> # Tests if quota exceeds for DISK storage even if overall space quota is
> available
> # Tests if changing replication factor results in copying file as quota
> doesn't exceed
> # Tests space quota with append operation
> # Sanity Test : Checks if copy command fails if quota is exceeded
> # Tests if clear quota per heterogenous storage doesnt result in clearing
> quota for another storage
> # Tests space quota with remove operation
> # Tests space quota with Snapshot operation
> # Tests space quota with truncate operation
> # Tests space quota remains valid even with Namenode restart
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