In hadoop 2.6 the namenode must be on , but hadoop 1.1.2 the namenode is down is ok. below is the configuration. <property> <name>fs.default.name</name> <value>ceph://ceph0:6789/</value> </property> in hadoop2.6 the raise exceptions like this: 15/07/28 11:26:55 INFO mapreduce.Cluster: Failed to use org.apache.hadoop.mapred.YarnClientProtocolProvider due to error: Error in instantiating YarnClient java.io.IOException: Cannot initialize Cluster. Please check your configuration for mapreduce.framework.name and the correspond server addresses.
How can i use it in hadoop2.6? jingxia....@baifendian.com From: Patrick McGarry Date: 2015-07-28 01:34 To: jingxia....@baifendian.com; Ceph-User CC: community Subject: Re: hadoop on ceph Moving this to the ceph-user list where it has a better chance of being answered. On Mon, Jul 27, 2015 at 5:35 AM, jingxia....@baifendian.com <jingxia....@baifendian.com> wrote: > Dear , > I have questions to ask. > The doc says hadoop on ceph but requires Hadoop 1.1.X stable series > I want to know if CephFS Hadoop plugin can be used by Hadoop 2.6.0 now or > it is not support Hadoop2.6.0 and still being developed? > If Ceph can not be used by Hadoop2.6.0,then i want to know when it will can > be used and is there a team to developing it? > I use Hadoop 1.1.2 on ceph is ok, but when hadoop 2.6.0 use ceph,there is > something wrong and hdfs is still on. > > Hope your request! > BW. > > tCurently req Hadoop 1.1.X stable series > > > ________________________________ > jingxia....@baifendian.com -- Best Regards, Patrick McGarry Director Ceph Community || Red Hat http://ceph.com || http://community.redhat.com @scuttlemonkey || @ceph
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