4:17
收件人: user@hadoop.apache.org
主题: Topology script frequency
I've checked all of the documentation, books and google searches I can think
of
I have a working topology script. I have dynamic IP's. I have an automated
process to update the rack data when a datanode changes IP.
NN refers to the rack topology script/class when a new node joins
(i.e. it doesn't have the node's IP already in cache), when it starts
up, and (I think) also when you issue -refreshNodes.
The ideal way to "add" a node to the rack right now is to first update
the rack config at the NN, then boot t
I've checked all of the documentation, books and google searches I can
think of
I have a working topology script. I have dynamic IP's. I have an
automated process to update the rack data when a datanode changes IP.
What I don't have is any clue as to when the NN reads this script. If I
exe
