Reply To: HDP 2.2 support for CentOS 7
Are you asking whether it will technically work, or whether Hortonworks will officially support it? If the former I would just go ahead and try it…
View ArticleReply To: HDP2.1 HDFS NameNode Issue
We have NameNode HA. The problem is some time both NameNodes are in StandByMode only or some times the it wont show any standby or active staus.Please help us in resolving the issue.After checking the...
View ArticleHive Query with a user input
Dear Sir, I want make use of ‘user input’ in a hive query similar to like taking input from a html page and validating on a jsp page. Is there any way, we can do this in hive?
View ArticleSecondary namenode on Hadoop 2.x (Hortonworks)
Hi everyone. I’m learning hadoop 2.x technology Hortonworks, cloudera and notice that in architecture of hadoop 2.x there is no Secondary namenode it was replaced by Standby namenode. 1) Is...
View ArticleReply To: Does Hive(0.14.0) support update Query based on a join
Hi Eugene, I ran the below query and the hive complains that Hive test is not an acid complaint table. I dont get it because the table i am updating is an ORC table(HiveExample ) and HiveTest is an...
View ArticleChange admin PW + SSL config simply does not work
Hi, I am running HUE 2.6.1-2041 w/ HDP 2.20 installed on RHEL 6 Everything works great except a) I want to change the admin user’s password. When I go to user admin or “profile” and change the...
View ArticleReply To: Bad substitution error with spark on HDP 2.2
I was facing the same issue. Looks like this is a bug in spark or documentation. Solved it by giving “–conf hdp.version=2.2.0.0-2041″ in the spark command.
View ArticleWhat is a Client in HDP installations
Hello, after I installed a Node (Datanode, NameNode, Gangalia components) the client installation failed. What ist a Client? The Node run perfectly. Thank you for your response
View ArticleReply To: Tutorial:Real time Data Ingestion in HBase & Hive using Storm Bolt
To David Knu$mann Could you please tell us exactly where you made these pom.xml changes I have added these entries to the pom.xml files in the directories 1.Tutorials-master...
View ArticleIn hive how to get the query result in variable(hiveconf)
Hi All, I am executing hql file through shall commend. my query output should be stored in hiveconf variable. So that i will use the variable in other query. basically i am from sql server background....
View Articlecannot turn off maintenance mode
Can anyone know how to turn off the maintenance mode in a host or service? I have a 3-node cluster. Currently , the maintenance mode of the node manager, yarn client on all nodes, and app timeline...
View ArticleIn HDP 2.2 Apache Spark is not installed
Hi , I have successfully installed (automatic amabri install) HDP 2.2 on CentOS 6.6, It seems Apace Spark service is not listed/installed in HDP 2.2 . As per this link...
View ArticleManaging files within .har
Hello experts, I’m currently evaluating hadoop for file storage and reporting, but I’m stuck on the following detail: the source files that will be ingested to hdfs are quite small, so, because of the...
View ArticleReply To: Managing files within .har
Hi Clovis, This should help: http://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.1.7/bk_system-admin-guide/content/looking_up_files_in_hadoop_archives.html Regards, Robert
View ArticleReply To: Managing files within .har
Hi Robert, thanks for the information. I had seen these documents, however I don’t find an option for example to include files into an existing .har file. If I try using the put command for normal...
View ArticleHadoop HA setup : not able to connect to zookeeper
I am trying to set up Hadoop HA following the below article. http://hashprompt.blogspot.in/2015/01/fully-distributed-hadoop-cluster.html After the configuration, when I try to run hdfs zkfc -formatZK...
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Storm and kafka appender not working
0 down vote favorite I would execute an example of Storm trend topology, for using log appender. I use this code : https://github.com/alvinhenrick/log-kafka-storm Bug when I execute my appender, IM...
View ArticleHDP2.2.3?
Just curious, what’s going on with HDP2.2.3? It was released on ~3/20 (showing up on the docs site, but without release notes), then disappeared from the website, then was released again a few days...
View Articlehdfs java file system API: creating Configuration object
I was trying to create a java program to write/read files from HDFS. I saw some examples of Java API. With this, the following code works for me. Configuration mConfiguration = new Configuration();...
View ArticleReply To: In HDP 2.2 Apache Spark is not installed
Spark 1.2.1 available as GA with HDP 2.2.4 & needs Ambari 2.0.0
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