While while running a simple
beeline > select count(*) from samvi_test_table;
Got the following error.
Job Submission failed with exception 'org.apache.hadoop.security.AccessControlException(Permission denied: user=root, access=WRITE, inode="/user":hdfs:supergroup:drwxr-xr-x
at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.check(FSPermissionChecker. (more...)
Reblogged from So Many Oracle Manuals, So Little Time: See also : No! to SQL and No! to NoSQL The inventor of the relational model, Dr. Edgar “Ted” Codd believed that the suppression of physical database design details was the chief advantage of the relational model. He made the case (more...)
[This entry is part 4 of 4 in the series Cloudera Hadoop Training
This will be a short(ish) post, as my brain is relatively fried from the obscene amount of knowledge imparted by the Hadoop class (and it’s Friday so I’m allowed to be lazy nanny nanny boo boo).
This entry is part 3 of 3 in the series Cloudera Hadoop Training
Cloudera Developer Training for Apache Hadoop is almost over, and I’m somewhat sad that my Hadoopin’ days are nearly done–in the classroom at least. However, the breadth of this training has been great and I can (more...)
On his recent Forbes report, Greg Satell lays down 5 steps to get Big Data working in your business. The first four are very well captured, but it was the fifth that really caught my attention: “Adopt a Big Data Mindset“. This is exactly where I want to drill in (more...)
Thank you all who attended my sessions at NYOUG Fall Conference this morning. I appreciate spending you most precious commodity - your time
- with me. I sincerely hope you found both the presentations enlightening as well as entertaining.
Please see the details of the sessions below along with the (more...)
See also : No! to SQL and No! to NoSQL The inventor of the relational model, Dr. Edgar “Ted” Codd believed that the suppression of physical database design details was the chief advantage of the relational model. He made the case in the very first sentence of the very first (more...)
Lately I have been spending lot of time on Big Data, its application, architecture and processes. As part of the process, my thoughts on Big Data in print Media. I hope you would enjoy reading.
Hope this helps.
Sunil S Ranka
“Superior BI is the (more...)
I've talked before about why large canonical models are a bad idea and how MDM makes SOA, BPM and a whole lot of things easier. This philosophy of 'minimum on the wire' helps to create more robust infrastructures that don't suffer from a fragile base class problem and better match (more...)
We hear lots and lots of hype at the moment around Hadoop, and it is a great technology approach, but there is also lots of talk about how this approach will win because Google and Yahoo are using it to manage their scale and thus this shows that their approach (more...)
Yesterday's UKOUG Analytics event
was a mixture of presentations about OBIEE with sessions on the frontiers of data analysis. I'm not going to cover everything, just dipping into a few things which struck me during the day
During the day somebody described dashboards as "Fisher Price activity centres for managers". (more...)
This year’s R User Conference happened in Albacete (Spain), gathering R professionals and enthusiasts all over the world since 2004, when it first began in Vienna. The sponsors this year were REvolution analytics, Google, R-Studio, Oracle, and TIBCO. Other companies like OpenAnalytics and Mango Solutions were also present with a booth stand. Besides sponsoring the (more...)
Last few months have been a crazy ride, wrapping up on new opportunities and getting upto speed on Hadoop took all the free time away . During my read on Hadoop , I always wondered why we dont have out of the box ODBC driver? I tried using out (more...)
today announced the availability of Oracle Event Processing for Oracle
Java Embedded, a smaller footprint version of Oracle Event Processing
(OEP) tailored for deployment on gateways. This can change the game plan
for your organization’s responsiveness by harnessing Fast Data.
an increase in the number of mobile devices (more...)
Big Data – The New Information Before asking the crystal ball what can Big Data do for you, sit back and think about these four questions: Where’s the new information? Where could it be? If it was in the right place, what could happen? (Challenges of the main industries) What are the (more...)
Coming back from the EMC World conference in Las Vegas I was looking at the people playing on the slots and making ridiculous bets at Craps and wondering 'don't these people know anything about statistics?'. Lets be clear I get the idea of it being fun, but when you (more...)
There is something that is beginning to irritate me, ok something else. Its mobile applications that don't cache. I'm fed up of travelling on a train or being on a plane and the end result being that my iPad or iPhone app doesn't work because I'm in an area that (more...)