Hi Hilmi!
The topology script / DNSToSwitchMapping tell the NameNode about the
topology of the cluster :
https://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-common/RackAwareness.html
You can trace through
Hi guys,
I spend my time to read too much about setting replication factor as well
as block placement so far. But I still wonder how setrep command is working
behind in the code.
I am looking for answer to following questions:
What if you have one rack and increase and decrease replication