Reply To: HDP 2.1.5.0 Installation Failed on Windows Server 2012 R2
Hi, here, the lines before “Starting rollback” OOZIE: Configuring service config C:\hdp\oozie-4.0.0.2.1.5.0-2060\Service\oozieservice.xml OOZIE: Updating file...
View ArticleHbase and Phoenix composite key splitting
Hi , i have a table on Phoenix which has a primary key composed of 2 columns. I’d like to insert data via hbase shell to this table , but i’m nut sure how to insert the row key in a way that it will...
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View ArticleHDFS write in sandbox refused, minReplication not met
I have a question about a failure to write that I’m getting. I’m using the HortonWorks Sandbox Version 2.1. I’m working from a simple JVM program writing into HDFS (it’s actually a Scala program)....
View ArticleReply To: XA and Namenode HA
Jacques Currently, you can’t give the HA URL in the repository. You have to give the primary. This shouldn’t affect the enforcement, because the policies are retrieved from the central server....
View ArticleReply To: Error querying using hive with table created using Json SerDe
The solution of Vincent worked for me too(by adding jar file the file resources). I read somewhere you could set the set environment variable HIVE_AUX_JARS_PATH to the directory with your HCatalog...
View ArticleReply To: Hive query not doing division,and producing extra null columns
It looks like you haven’t set the delimiters correctly for the table. The default delimiter is ^A (ascii code 1). If you want to use space or tab as delimiter you have to specify that in your...
View ArticleReply To: Questions on XA Secure (Apache Argus)
Hi Is there further instructions when Argus install on kerberos enable environment? Currently I am struggling with creating HDFS and Hive repositories in policymanager. I have read...
View ArticleReply To: Unable to initiate the sandbox session from browser
Hi Ted, Could you please expand on your comment regarding “VirtualBox setting vs VM setting ” ? I am also having the same issue. Also please direct me to the instructions. Thanks DK
View ArticleReply To: XA and Namenode HA
Hi Don, Great, thanks for your feedback. So I’ll provide the primary NN even though it’s not the current active NN. Cheers, -Jacques
View ArticleHow to change JAVA_HOME on Sandbox
Hi, How to change JAVA_HOME for individual services on Sandbox ? for.ex I wanted to change JAVA_HOME for OOZIE I have already tired the below changes one at a time and restarted OOZIE from Ambari ,...
View ArticleSimple Hive query becoming slow with a lot of data
Hello, Im new with Hive and im wondering about the performance of a i would say simple hive query. Im using Ambari 1.6.1 and the 2.1 stack so not an old Hive. i have 2 different big data folders (15GB...
View ArticleReply To: Sqoop Incremental Import (lastmodified) giving Duplicate rows for...
Hi Venkat, Meanwhile I was referring to http://hortonworks.com/blog/four-step-strategy-incremental-updates-hive/ Is this strategy is one of the options for doing an incremental imports? I will try the...
View Articlein hadoop word count example why not make text also static
In Hadoop word count example IntWritable is made static so that it can be reused in the same JVM instead of creating new. My question is why not make text also static? I made it and is working fine...
View ArticleReply To: Running Apache Pig tutorial problems
you are doing it in PIG HDFS mode…so the data will be taken from HDFS and the output will also Stored into HDFS. for that you need to have write permisions
View ArticleSqoop Import from Teradata : Import Hive table's column schema is missing
Hi All, I am able to import the Teradata Table in Hive table using: $SQOOP_HOME/bin/sqoop import -libjars $LIB_JARS -Dteradata.db.input.target.database=hive_database...
View ArticleReply To: Unable to mount HDFS file system on remote Linux server
Hello Robert, If I fire ‘hadoop portmap’ command I am getting following error. What is likely reason for this error? I fixed respective properties by following this guide =...
View ArticleReply To: Simple Hive query becoming slow with a lot of data
hm ok thank you! I have 60 Map Tasks for 15GB and 427 for 100GB. And 16 Reducers and 111 for 100GB. Which i think is way too much but it seems like hive is not doing that partial aggregations within...
View ArticleReply To: Unable to mount HDFS file system on remote Linux server
http://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.1.5/bk_user-guide/content/user-guide-hdfs-nfs-instructions.html Above topic is very confusing to me. [when using them on Hortonworks sandbox ready...
View ArticleJava and Map Reduce
Hello, I am new to Hadoop and Java Programming, can anyone advice the amount of Java programming needed as well Linux ? I am from Database background. Thanks.
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