IF ELSE Contro Statements within in PIG
How to make use of Control Statement in PIG, I’m using latest version of PIG, Is there way in PIG, we can define the value and assign to variable and perform IF ELSE. Is there IF ELSE. Please let me...
View ArticleHow to config pig 0.15 to existing hadoop 2.30 multi-nodes
Dear All, Sorry for a simple question: I am running a multi-nodes hadoop 2.3 and would like to config pig 0.15 with it. I don’t know how to tell pig about the nameNodes and Job Tracker since hadoop is...
View ArticleReply To: How to config pig 0.15 to existing hadoop 2.30 multi-nodes
You only need to set the correct HADOOP_HOME. If it does not work, you can also try to put your Hadoop config directory to PIG_CLASSPATH.
View ArticleReply To: IF ELSE Contro Statements within in PIG
Pig does not provide native support for flow control. You shall embed Pig script in Python. Check http://pig.apache.org/docs/r0.15.0/cont.html
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Reply To: How to config pig 0.15 to existing hadoop 2.30 multi-nodes
Dear Jianyong, Thanks much for your reply! Tried them but still doesn’t work After some searching, somehow the following command works (not sure why though): mr-jobhistory-daemon.sh start...
View ArticleReply To: ClassNotFoundException:...
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View ArticleError running ZEPPELIN from Ambari
Hi, When I try to run ZEPPELIN from Ambari I get the following error on page: “Unable to resolve the server’s dns address” What can be wrong? Thanks in advance.
View ArticleOozie Sqoop import from Sql Server Failed
i can import SQL server data from the command but unable to execute sqoop from hue oozie. see the errot log below 2304 [main] ERROR org.apache.sqoop.Sqoop – Got exception running Sqoop:...
View ArticleFeed cleansedEmailFeed is not registered
Attempted to submit ‘falcon entity -type process -submit -file cleanseEmailProcess.xml But when I do I get the following: ERROR: Bad Request;Referenced FEED cleansedEmailFeed is not registered Any...
View ArticleReply To: HDP installation on Windows Server 2008 R2 x64
Hi! Please post full log. You can share it with pastebin.com
View Articlehadoop security datanode not connecting to namenode
I have a two node cluster – apache hadoop. On my namenode host, datanode is also running. I enabled kerberos security on the cluster using :...
View ArticleReply To: hadoop security datanode not connecting to namenode
Or I would appreciate any insights on how to handle the initial caps in hostname in kerberos setup – like the ‘H’ in Hadoop2.hitex.com which gets modified to hadoop2.hitex.com and so fails.
View ArticleUse of Spark Streaming for interactive Reporting/Visualization
Hi, Is SPARK Streaming (may be along with SPARKSQL) suited for interactive querying – to generate reporting dashboards using Tableau? We are building a data lake with all our organization’s data in...
View ArticleHortonworks and apache hadoop
I have an existing apache hadoop (2.6) installation. Will I be able to integrate Hortonworks with that? What I mean to say is that I already have a running environment of hdfs, yarn, hbase, hive,...
View ArticleHow to i authenticate to the KMS REST API
Hi I am trying to create a key via the KMS REST API using the following appended code but iam getting a HTTP 401 error. How do i authenticate to the API? Any help appreciated. Sitaraman URL url = new...
View ArticleReply To: Error creating ORC trucks tutorial table
have you solved this? I’m getting the same error on the same query.
View ArticleReply To: Configuration of Hiveserver2 to use a remote metastore server.
Hi John, I have this *exact* same issue – I haven’t attempted to modify the start scripts as you suggest though. I’ve also posted on stackoverflow:...
View ArticleCan we Upload and create Folder on HDFS Folder ?
Hi i am trying to create new directory and upload file using Localhost:8080 -> Menu (HDFS File) -> user ->guest i am doing this for the training...
View ArticleReply To: HBase icon in HDP 2.3 Sandbox
Please start hbase and Region server in Ambari and then try. It worked for me
View ArticleKafka broker service not running
Hi, This is my first posting to this list, and I am relatively new to Kafka. I am using below: Ambari Stack HDP-2.3 Kafka 2.3.2.0-2950 Zookeeper 3.4.6.2.2.0.0 I have been using Kafka on a small (4...
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