Reply To: SandBox VM cpoy/paste
Sorry – I said something wrong. You did state that you are using VirtualBox. Thanks
View ArticleReply To: Set user for YARN containers
Did you figured out how to run a command under a user. Have the same issue. Have a next code: private def setupTokens(username: String): ByteBuffer = { val credentials =...
View ArticleReply To: Hadoop-examples jar
Hi, When I try to run the above mentioned command, im getting “Error: JAVA_HOME is not set and could not be found”. I have already set JAVA_HOME but on forum I found that we have to set in...
View ArticleSec NameNode in Hadoop 2.X
Hello everyone, Can you please help me out to the below scenarios. 1) While using Hadoop V2, do we use Secondary NameNode in production environment? 2) For Hadoop V2, suppose we use muliple NameNodes...
View Articlehbase master and region server down
As soon as we restart hbase master and region server, they automatically get stopped within seconds. It’s a 4 node cluster with 1 master node and 3 data nodes. please guide how to deal with this.
View ArticleReply To: Sandbox Spark Tutorial fail
Sorry i was trying to say that val keys = fltr.map(_.split(",")).map(a => a(5)) this a => a(0-1-2-3)) with this parameters collect work and takes the right column. With 4 or more it don’t work....
View ArticleReply To: Sec NameNode in Hadoop 2.X
There is a standby name node which is not the same as a secondary one, but it solves a similar problem. There are also journal servers which take updates from the primary live name node and...
View ArticleSpark to SolR
I have a SolR database which is being used by customers for fast searches. I currently update it record by record. This is not terribly fast and a nightmare when I want to create everything from...
View Articledfsadmin report issue
When I execute the hdfs dfsadmin -report in the sandbox hdp 2.3 getting the issue connection refused report: Call From sandbox.hortonworks.com/10.0.2.15 to sandbox.hortonworks.com:8020 failed on...
View ArticleReply To: Sandbox Spark Tutorial fail
update: I try this part of tutorial on spark shell with scala and it works.
View ArticleError Trying to create credentials
I have installed CB as instructed, but when I try to create my AWS credential I get an error: cloudbreak_1 | 2015-11-03 15:22:47,537 [http-nio-8080-exec-3] badRequest:42 ERROR...
View ArticleReply To: Slider application deployment using APIs
Thanks for quick reply. Is there plan to provide REST APIs in near future ?
View ArticleReply To: Slider application deployment using APIs
It has been in the plan since https://issues.apache.org/jira/browse/SLIDER-151
View ArticleHDP Dependency for secured cluster !
From https://slider.incubator.apache.org/docs/troubleshooting.html Slider instances not being able to create registry paths on secure clusters This feature requires the YARN Resource Manager to do the...
View ArticleReply To: Amabari Hive view error (broken pipe)
One way I have been able to resolve this issue by restarting Ambari Server ambari-server restart
View ArticleSpark 1.5 insert into table values
Hello All, I am trying to use Spark 1.5 on a sandbox with hive version 1.2.1 I am not able to use the following SQL statements delete from table insert into table values () My understanding was Spark...
View ArticleReply To: Hadoop-examples jar
@Bin Xiong : I think you are working on sandbox 2.x. In 2.x examples.jar files are located in the following location : execute the command “find / -xdev -name hadoop-mapreduce-examples-*.jar” Finally...
View ArticleReply To: How to recover namenode metadata using backed up copies of...
I tried playing with backing up namenode metadata today. Due to some reason this did not work : curl -o fsimage.<dt> ‘http://<host>:50070/getimage?getimage=1&txid=latest’...
View ArticleReply To: How to recover namenode metadata using backed up copies of...
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