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From Xiaoyong Zhu <>
Subject RE: Spark SQL Roadmap?
Date Sun, 14 Dec 2014 01:26:52 GMT
Thanks Denny for your information!
For #1, what I meant is the Spark SQL beta/official release date (as today it is still in
alpha phase)… thought today I see it has most basic functionalities,  I don’t know when
will the next milestone happen? i.e. Beta?
For #2, thanks for the information! I read it and it’s really useful! My take is that, Hive
on Spark is still Hive (thus having all the metastore information and Hive interfaces such
as the REST APIs), while Spark SQL is the expansion of Spark and use several interfaces (HiveContext
for example) to support run Hive queries. Is this correct?

Then a following question would be, does Spark SQL has some REST APIs, just as what WebHCat
exposes, to help users to submit queries remotely, other than logging into a cluster and execute
the command in spark-sql command line?


From: Denny Lee []
Sent: Saturday, December 13, 2014 10:59 PM
To: Xiaoyong Zhu;
Subject: Re: Spark SQL Roadmap?

Hi Xiaoyong,

SparkSQL has already been released and has been part of the Spark code-base since Spark 1.0.
 The latest stable release is Spark 1.1 (here's the Spark SQL Programming Guide<>)
and we're currently voting on Spark 1.2.

Hive on Spark is an initiative by Cloudera to help folks whom are already using Hive but instead
of using traditional MR it will utilize Spark.  For more information, check out

For anyone who is building new projects in Spark, IMHO I would suggest jumping to SparkSQL


On Sat Dec 13 2014 at 5:00:56 AM Xiaoyong Zhu <<>>
Dear spark experts, I am very interested in Spark SQL availability in the future – could
someone share with me the information about the following questions?

1.       Is there some ETAs for the Spark SQL release?

2.       I heard there is a Hive on Spark program also – what’s the difference between
Spark SQL and Hive on Spark?

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