Manoj Govindassamy created HDFS-11109:
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Summary: ViewFileSystem Df command should work even when the
backing NameServices are down
Key: HDFS-11109
URL: https://issues.apache.org/jira/browse/HDFS-11109
Project: Hadoop HDFS
Issue Type: Task
Affects Versions: 3.0.0-alpha1
Reporter: Manoj Govindassamy
Assignee: Manoj Govindassamy
With HDFS-11058, Df command will work well with ViewFileSystem. federated
cluster can be backed up several NameServers, with each managing their own
NameSpaces. Even when some of the NameServers are down, the Federated cluster
will continue to work well for the NameServers that are alive.
But {{hadoop fs -df}} command when run against the Federated cluster expects
all the backing NameServers to be up and running. Else, the command errors out
with exception.
Would be preferable to have the federated cluster commands highly available to
match the NameSpace partition availability.
{noformat}
#hadoop fs -df -h /
df: Call From manoj-mbp.local/172.16.3.66 to localhost:52001 failed on
connection exception: java.net.ConnectException: Connection refused; For more
details see: http://wiki.apache.org/hadoop/ConnectionRefused
{noformat}
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