Could Only Be Replicated To ...

A common message people see is "could only be replicated to 0 nodes, instead of ...".

What does this mean? It means that the Block Replication mechanism of HDFS could not make any copies of a file it wanted to create. This can be caused by

This is not a problem in Hadoop, it is a problem in your cluster that you are going to have to fix on your own. Sorry.

CouldOnlyBeReplicatedTo (last edited 2012-02-22 15:38:24 by SteveLoughran)