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From "叶双明" <yeshuangm...@gmail.com>
Subject is SecondaryNameNode in support for the NameNode?
Date Sat, 06 Sep 2008 09:26:32 GMT
Hi all!

The NameNode is a Single Point of Failure for the HDFS Cluster. There
is support for NameNodeFailover, with a SecondaryNameNode hosted on a
separate machine being able to stand in for the original NameNode if
it goes down.

Is it right? is SecondaryNameNode in support  for the NameNode?

Sorry for my englist!!
明
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