Reply To: Community Based Sqoop Tutorial
Cheryle, I tried the above link on Mar. 23, 2015 and it doesn’t work. It appears this is the new location of the tutorial:...
View ArticleNameNode Heap Size?
I have a question regarding the NameNode Heap Size allocation. In our production we have 120 datanodes and total HDFS space of 1.9 PB. I am not sure how much memory has to be allocated for NameNode...
View ArticleReply To: Unable to ssh into sandbox to use tutorials
Hi Mel, The following looks incorrect: $ ssh root@192.168.1 -p 2222; In addition, what are the specs on your machine? Regards, Robert
View Articlenon dfs capacity used
Hi I meet a strange behavior on my cluster… I launched a hive task that failed with the following error : Caused by: org.apache.hadoop.hive.ql.metadata.HiveException:...
View ArticleStreaming weather Data into HDFS using Flume
Hi All i am trying to stream weather data into Hdfs i have written Java class as follows public class OpenWeatherParser extends AbstractSource implements EventDrivenSource { private static String []...
View ArticleKerberos Keytabs and HBase (and Ambari)
I am trying to run the Ambari Service Check in the latest HDP 2.2 for HBase, but am hitting two problems. The first is to do with Kerberos Keytabs. (Yes – I have a secure cluster) I already have a...
View ArticleHome computer setup
I want to buy a new desktop computer to start learning and doing Hadoop development. I’m going to start with the Hortonworks Sandbox. Can anyone give me some advice about what hardware to buy? Or...
View ArticleHiveODBC (68) Error
Hi, I was trying to follow the tutorial (“How to Install and Configure the Hortonworks ODBC driver on Mac OS X”), because I wanted to use odbc driver on my Mac yosemite to import data from vmware...
View ArticleReply To: Kerberos Keytabs and HBase (and Ambari)
Hi Alex, hbase.headless.keytab is used by HBase user when starting the service. You don’t need to have headless keytab for all HBase users. In a typical HDP env, you will need 3 headless keytabs,...
View ArticleReply To: can't establish connection to 127.0.0.1:8000
For those who still face this issue, watch this video. It helped me.
View ArticleWire encryption in hdp2.2
Hey Guyz, I have tried to install and configure wire encryption on 2 node hdp2.2 cluster using self signed certificates as per...
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Reply To: HDFS Transparent Data Encryption
Okay unfortunately no one has replied to this so I went ahead and tried something to test my setup. Sharing the details below to save someone’s time Implemented TDE on single node HDP sandbox(hdp2.2)....
View ArticleUnable to start Flume for Twitter on sandbox Hadoop 2.6
Hi, I am trying to set up flume on sandbox to fetch tweets from Twitter, I am not sure if I am using the correct agent for Twitter as a source. The flume doesn’t start at all, it just hangs there....
View ArticleReply To: Creating Vectors from SequenceFile in Mahout
Hi, I follow this tutorial to run Mahout, but look like I got the same problem with you. http://datachurn.blogspot.fr/2013/10/steps-to-run-k-means-clustering-on.html After that, I tried the mahout...
View ArticleReply To: Error creating Table in HCatalog
Note : As of 0.12, this class (HbaseHcatStorageHandler) is considered deprecated and a candidate for future removal All new code must use the HiveHBaseStorageHandler instead...
View ArticleAmbari
Ambari hangs when attempting to install an HDP2.2 STORM service. It appears the a url map file is incorrect – I believe HortonWorks needs to fix this file:...
View Articlecreators discuss its neon violence
Hotline Miami makes you feel things that you don’t want to feel. It shows you a veritable smorgasbord of ugly https://www.reddit.com/r/glvknmury/comments/30auxh/
View ArticleLocation of jars in Sandbox with HDP 2.2
I am using the latest Sandbox. In some of the tutorials (http://www.n10k.com/blog/hbase-via-hive-pt2/ ) which used previous versions, the location of hbase or zookeeper jars are /usr/lib/hbase/ or...
View ArticleReply To: Location of jars in Sandbox with HDP 2.2
I think it has been updated to /usr/hdp/2.2.0.0-2041/hbase/lib and so on.
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