Hi PA,
We just did the same work recently, copying data from hadoop 2 to hadoop 3,
to be precise, src hadoop version was CDH hadoop-2.6 (5 hdfs nameservices
federation), dst hadoop version was hadoop 3.3.4. Both clusters are
protected with Kerberos, and of course, two realms have been trusted with
Hi everyone!
I'm using hadoop 3.3.4, and started 5 hdfs routers on servers. Now I have
to delete two of them using: hdfs --daemon stop dfsrouter. The commend
executed successfully, but on router WebUI (http://url-to-router-webui:50071),
it shows 5 routers but 2 of them are on EXPIRED status. How
