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https://issues.apache.org/jira/browse/HDFS-14082?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16688988#comment-16688988
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Yiqun Lin commented on HDFS-14082:
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[~elgoiri], the setting name makes me confused.
{{dfs.federation.router.client.require.response}} looks like it will makes
sense to all rpc calls. We maybe need to documented related rpc calls that will
be affected in hdfs-rbf-default.xml and comments. Or we can rename it to a
readable setting name.
In order to keep compatible, the default value of the
{{dfs.federation.router.client.require.response}} intends to be false.
Here I suppose we don't need to use a specific value to do the assertion.
Defining a var {{requireSize}} and setting value firstly and then comparing the
new value with initial value.
{code:java}
// Test the behavior when everything is fine
+ FileSystem fs = getRouterFileSystem();
+ FileStatus[] files = fs.listStatus(new Path("/"));
+ assertEquals(6, files.length);
...
assertTrue("We should have between 4 and 5 items: " + files.length,
+ files.length >= 4 && files.length < 6);
{code}
> RBF: Add option to fail operations when a subcluster is unavailable
> -------------------------------------------------------------------
>
> Key: HDFS-14082
> URL: https://issues.apache.org/jira/browse/HDFS-14082
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Íñigo Goiri
> Assignee: Íñigo Goiri
> Priority: Major
> Attachments: HDFS-14082.000.patch, HDFS-14082.001.patch
>
>
> When a subcluster is unavailable, we succeed operations like
> {{getListing()}}. We should add an option to fail the operation if one of the
> subclusters is unavailable.
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