hi
# sudo -u hdfs hdfs haadmin -getServiceState nn1
active
# sudo -u hdfs hdfs haadmin -getServiceState nn2
standby
Where nn1 and nn2 are the dfs.ha.namenodes.mycluster property values.
This is what you need?
Andras
On 2014.12.08. 21:12, Magnus Runesson wrote:
I develop an application that will access HDFS. Is there a single API
to get current active namenode?
I want it be independent of if my cluster has HA NameNode deployed or
a single NameNode. The typical Hadoop-client configuration files will
be installed on the host.
/Magnus
