May be you could try something like this using sparkSQL 1.4 and dataframes
student.join(Grade, Grade(student_id) === student(student_id), left)
.groupBy(id)
.agg(sum(grade(Marks)), avg(grade(Marks)))
You could refer to the following document :
Hi,
Zeppelin has a cassandra-spark-connector built into the build. I have not
tried it yet may be you could let us know.
https://github.com/apache/incubator-zeppelin/pull/79
To build a Zeppelin version with the *Datastax Spark/Cassandra connector
-cassandra-connector_2.11%7C1.4.0-M1%7Cjar)?
What exactly is it that does not currently exist for Spark 1.4?
Thanks,
Matthew
*From:* pawan kumar [mailto:pkv...@gmail.com]
*Sent:* 22 June 2015 17:19
*To:* Silvio Fiorito
*Cc:* Mohammed Guller; Matthew Johnson; shahid ashraf;
user
I got the same error message when using maven 3.3 .
On Jun 3, 2015 8:58 AM, Ted Yu yuzhih...@gmail.com wrote:
I used the same command on Linux but didn't reproduce the error.
Can you include -X switch on your command line ?
Also consider upgrading maven to 3.3.x
Cheers
On Wed, Jun 3,
* is pretty straight forward, especially if you are using DSE.
Create a new DSN in Tableau using the ODBC driver that comes with DSE. Once
you connect, Tableau allows to use C* keyspace as schema and column
families as tables.
Mohammed
*From:* pawan kumar [mailto:pkv...@gmail.com]
*Sent
Hi Todd,
Thanks for the link. I would be interested in this solution. I am using DSE
for cassandra. Would you provide me with info on connecting with DSE either
through Tableau or zeppelin. The goal here is query cassandra through spark
sql so that I could perform joins and groupby on my queries.
be available.
Another possibility is to perhaps use the tuplejump cash project,
https://github.com/tuplejump/cash.
HTH.
-Todd
On Fri, Apr 3, 2015 at 11:11 AM, pawan kumar pkv...@gmail.com wrote:
Thanks mohammed. Will give it a try today. We would also need the
sparksSQL piece as we
, pawan kumar pkv...@gmail.com wrote:
Hi Todd,
Thanks for the help. So i was able to get the DSE working with tableau as
per the link provided by Mohammed. Now i trying to figure out if i could
write sparksql queries from tableau and get data from DSE. My end goal is
to get a web based tool where i
haven't
tried it out though, but do let us know if you get it to work.
Thanks
Shivaram
On Mon, Apr 7, 2014 at 2:21 PM, pawan kumar pkv...@gmail.com wrote:
Hi,
Is it possible to create a standalone job in scala using sparkR? If
possible can you provide me with the information
