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
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
Hey team,
We're planning to migrate some of our data from an obsolete Hadoop 2.7
to a more recent Hadoop 3.
There is approximately 60 Datanodes on the old one and approximately 10
on the new ones. It will get bigger over the next months but since some
of the use cases are migrating out of ha
