Re: failed to start namenode

Hi Daniel, My host is up and running. On 11/20/15, Daniel Haviv wrote: > Are you sure the host is up? > > On Friday, 20 November 2015, siva kumar wrote: > >> Hi Sandeep, >> Im tryning to start using cloudera

Re: Doubt in DoubleWritable

Please try this for (DoubleArrayWritable avalue : values) { Writable[] value = avalue.get(); // DoubleWritable[] value = new DoubleWritable[6]; // for(int k=0;k<6;k++){ // value[k] = DoubleWritable(wvalue[k]); // } //parse accordingly if (Double.parseDouble(value[1].toString()) != 0) {

Re: Am I understanding right?

Hi Jingfei - Once you kerberize your cluster, you will generally need to be able to authenticate to KDC that is either shared with cluster or some sort of cross domain trust is established between the two KDC’s. You might considering using Apache Knox to authenticate an external client to Knox

RE: Am I understanding right?

Anyone? From: Jingfei Hu [mailto:jingfei...@gmail.com] Sent: Monday, November 23, 2015 6:26 PM To: user@hadoop.apache.org Cc: jingfei...@hotmail.com Subject: Am I understanding right? Hi team, I have some trouble to access a HDFS enabled with Kerberos using webhdfs protocol. The Hadoop

Unable to connect to beeline after kerberos is installed

Unable to connect to beeline after kerberos is installed I am getting this error. Let me know if an one has resolution for it. *Error: Could not open client transport with JDBC Uri: jdbc:hive2://hiven001.np.mmc.com:1/ : Peer indicated failure: Unsupported

Re: Unable to connect to beeline after kerberos is installed

You have to provide principal name Search Beeline Kerberos Sent from my iPhone > On Nov 23, 2015, at 8:55 PM, Kumar Jayapal wrote: > > Unable to connect to beeline after kerberos is installed I am getting this > error. Let me know if an one has resolution for it. > >

Container errors running Terasort

Hi there, I’m running Hadoop on a cluster of 4 Raspberry Pi’s for my project. I am getting errors benchmarking the cluster using Terasort as shown below. I’ve adjusted the memory & task numbers in mapred-site.xml as follows but still getting the errors. What can I do? Thanks, Caesar.

yarn does not allocate enough tasks/containers to my available node

Hi, Tasks are allocated to my nodes by memory. Initially they are allocated ok across the cluster. After a while, one of the nodes does not receive new tasks fast enough: it gets to 0 tasks and from time to time I see it having 1 task which it finished in seconds. It is true that I