Reply To: HBase Batch Insertion
For applications like Spark Streaming, it is best to use the new BufferedMutator as a way to do streaming writes to HBase. You can find examples and documentation at...
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Reply To: HBase Batch Insertion
First, thanks for your reply, I looked a little bit at the BufferedMutator There are still a few things that are not clear to me: 1. Whats the difference between BufferedMutator and performing the...
View ArticleReply To: SocketException: Broken pipe H060 Unable to open Hive session after...
Addition: Eventually restarting ambari-server may solve this issue. see also: https://hortonworks.com/community/forums/topic/amabari-hive-view-error-broken-pipe/
View Articleoozie reinstall/repair
Hello everyone, the following Problem exists: one of our Oozie-jobs could not be stopped after some configurations. Therefore we tried to deinstall Oozie with curl -u...
View ArticleReply To: Java example to read json array in spark
I would recommends to use JSON tools such as http://codebeautify.org/jsonviewer and http://jsonformatter.org to debug , View and validate JSON data.
View ArticleReply To: trouble connecting HDP from outside the Virtualbox
Hi Am looking for a similar thing. Did you get any leads/pointers on your query? Please share if you managed to get some directions?
View ArticleReply To: Hadoop jobs application /container logs permission.
————————————————————— User [username] is not authorized to view the logs for attempt_1449027966654_0040_m_000000_0 in log file ————————————————————- This is what the permission of the running...
View ArticleReply To: Is there an IDE for the hadoop components for Windows similar to...
It is really shameful. Not a single question of interest seems to have been answered in these forums. Probably Hortonworks has become too focused on paid tutorials to respond to people in these forums!
View ArticleReply To: How do I develop MapReduce programs?
Am looking for a similar assistance. Robert, have you received any yet?
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SQL schema to HBase
I am new in HBase world. I have SQL database diagram, and I need to make HBase tables. I need to have User table, Book table and History table for viewed items, purchased items and recommended items....
View ArticleReply To: primary data files and replicated data files
>What are you trying to achieve that led to this question? I was just trying to understand how files are stored in hdfs. thanks.
View ArticleError starting namenode from Ambari.
Traceback (most recent call last): File “/var/lib/ambari-agent/cache/common-services/HDFS/2.1.0.2.0/package/scripts/namenode.py”, line 317, in <module> NameNode().execute() File...
View ArticleReply To: Installation failed Hortonwork hdp2.3.0.0 in windows server 2008 R 2
I have JDK and checked everything, its not working, I have re-installed OS and everything several times. Could you please check what might be the problem there.
View ArticleReply To: Performance improvement techniques for Spark SQL DataFrames
If you access the files via Hive (instead of loading them into spark directly) then perhaps you could store the files in Hive tables partitioned on the join columns? Just a thought since you mentioned...
View ArticleReply To: primary data files and replicated data files
Okay, hopefully this was helpful then. For a full discussion (with diagrams!) of the current HDFS architecture, you might like to read:...
View ArticleHDP 2.3 Repositories|HDP-UTILS|wrong os file for ubuntu14
The OS directory of file HDP-UTILS-1.1.0.20-ubuntu14.tar.gz from location http://public-repo-1.hortonworks.com/HDP-UTILS-1.1.0.20/repos/ubuntu14 is ubuntu12
View ArticleHive Metadata on Hbase
Hi Hotonworks, Is it possible to store Hive metadata on Hbase? If Yes, then how to do it? If No, then why? Regards, Nilesh
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