Hadoop datanode rack awareness setting?

Just give them other subnets, like rack1 192.168.1. *, rack2 192.168.2. * and so on. Hadoop will recognize this.

– leon Aug 10 at 21:47 In your DNS / hosts configuration. This is a server setup. – Thomas Jungblut Aug 11 at 5:32 Really?

In /etc/hosts file? Hadoop can recongnize this? – leon Aug 11 at 8:35 sure.

How do you think he is going to manage the communication? – Thomas Jungblut Aug 11 at 8:59.

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