[jira] [Created] (HDFS-4129) Add utility methods to dump NameNode in memory tree for testing

Tsz Wo (Nicholas), SZE created HDFS-4129: Summary: Add utility methods to dump NameNode in memory tree for testing Key: HDFS-4129 URL: https://issues.apache.org/jira/browse/HDFS-4129 Project:

Re: Running Application (YARN) on top of federated NameNode

Thanks Todd 2012/10/29 Todd Lipcon > Hi Lohit, > > There are basically three main options here: > > 1) Symlinks. As you suggested, you could have one of the namespaces have > top-levels cross-filesystem symlinks to the other explicit namespaces in > your cluster. The downside of this is that cur

Re: Running Application (YARN) on top of federated NameNode

Hi Lohit, There are basically three main options here: 1) Symlinks. As you suggested, you could have one of the namespaces have top-levels cross-filesystem symlinks to the other explicit namespaces in your cluster. The downside of this is that currently symlinks are not well supported by the File

[jira] [Created] (HDFS-4128) 2NN gets stuck in inconsistent state if edit log replay fails in the middle

Todd Lipcon created HDFS-4128: - Summary: 2NN gets stuck in inconsistent state if edit log replay fails in the middle Key: HDFS-4128 URL: https://issues.apache.org/jira/browse/HDFS-4128 Project: Hadoop HDF

[jira] [Created] (HDFS-4127) Log message is not correct in case of short of replica

Junping Du created HDFS-4127: Summary: Log message is not correct in case of short of replica Key: HDFS-4127 URL: https://issues.apache.org/jira/browse/HDFS-4127 Project: Hadoop HDFS Issue Type:

distcp_different versions

Dear members, i try copy data from hdfs clusters. I have one cluster version: Hadoop 0.20.1+169.127 Subversion -r 2157de3c7179c7e244c907fb9c8804e1c076f050 Compiled by root on Sun Jan 16 19:29:48 UTC 2011 >From source with checksum e28f0ec421b292b8d07210057a756bc8 nn1 And another one: Hadoop 2.