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[expand - 4 more] - Hive and Impala - Hive - [mail # user]
...Just to clarify the statement in quotes was made by the author of the article "We can access all objects from Hive data warehouse with HiveQL which leverages the map-reduce architecture...
... in background for data retrieval and transformation and this results in latency." Dr Mich Talebzadeh LinkedIn * https://www.linkedin.com/profile/view?id=AAEAAAAWh2gBxianrbJd6zP6AcPCCdOABUrV8Pw...
... * http://talebzadehmich.wordpress.com On 1 March 2016 at 11:33, Mich Talebzadeh  wrote: > I have not heard of Impala anymore. I saw an article in LinkedIn titled > > "Apache Hive Or Cloudera...
.... > > Anyway the question is with Hive on Spark or Spark using Hive metastore > what we cannot achieve that we can achieve with Impala? > > > Dr Mich Talebzadeh > > > > LinkedIn * https...
   Author: Mich Talebzadeh , 2016-03-01, 11:39
[expand - 1 more] - SAS_TO_SPARK_SQL_(Could be a Bug?) - Spark - [mail # user]
... double quotes. So simply spark-sql> select prod_id, cust_id from sales limit 2; 17      28017 18      10419 HTH Dr Mich Talebzadeh LinkedIn * https://www.linkedin.com/profile/view?id...
...Assuming I understood your query, in Spark SQL (that is you log in to spark sql like  spark-sql --master spark://:7077 you do not need double quotes around column names for sql to work...
   Author: Mich Talebzadeh , 2016-06-10, 22:28
Does Spark support updates or deletes on underlying Hive tables - Spark - [mail # user]
...Hi, Remember that acidity and transactional support was added to Hive 0.14 onward because of advent of ORC tables. Now Spark does not support transactions because quote "there is a piece...
... in the execution side that needs to send heartbeats to Hive metastore saying a transaction is still alive". That has not been implemented in Spark yet to my knowledge. HTH Dr Mich Talebzadeh LinkedIn...
   Author: Mich Talebzadeh , 2016-05-30, 19:57
[expand - 10 more] - Spark support for Complex Event Processing (CEP) - Spark - [mail # user]
... is not a member of package org          import org.scalatest.{BeforeAndAfter, BeforeAndAfterAll} Thanks Dr Mich Talebzadeh LinkedIn * https://www.linkedin.com/profile/view?id...
...---Stratio decision could do the job > https://github.com/Stratio/Decision > > From: Alonso Isidoro Roman > To: Mich Talebzadeh > Cc: Mario Ds Briggs/India/IBM@IBMIN, Luciano Resende , > "user...
... proceso de introducirlos..." >  -  Edsger Dijkstra > > My favorite quotes (today): > "If debugging is the process of removing software bugs, then programming > must be the process of putting...
... ..." >   - Edsger Dijkstra > > "If you pay peanuts you get monkeys" > > > 2016-04-20 7:55 GMT+02:00 Mich Talebzadeh <*[EMAIL PROTECTED]* > >: > >    Thanks a lot Mario. Will have a look...
.... > >    Regards, > > >    Dr Mich Talebzadeh > >    LinkedIn >    *https://www.linkedin.com/profile/view?id=AAEAAAAWh2gBxianrbJd6zP6AcPCCdOABUrV8Pw* >     > >    *http://talebzadehmich.wordpress.com...
   Author: Mich Talebzadeh , 2016-04-21, 15:04
[expand - 42 more] - Using Spark on Hive with Hive also using Spark as its execution engine - Hive - [mail # user]
...I just read further notes on LLAP. As Gopal explained LLAP has more to do that just in-memory and I quote Gopal: "...  LLAP is designed to be hammered by multiple user sessions running...
... Talebzadeh LinkedIn * https://www.linkedin.com/profile/view?id=AAEAAAAWh2gBxianrbJd6zP6AcPCCdOABUrV8Pw * http://talebzadehmich.wordpress.com *Disclaimer:* Use it at your own risk. Any and all...
... be liable for any monetary damages arising from such loss, damage or destruction. On 12 July 2016 at 15:59, Mich Talebzadeh  wrote:   ...
   Author: Mich Talebzadeh , 2016-07-12, 23:21
Escaped Quotes - Hive - [mail # user]
...' Diner"); 0: jdbc:hive2://rhes564:10010/default> select * from testme; +---------------+--+ |  testme.col1  | +---------------+--+ | Dougs' Diner  | +---------------+--+ Dr Mich Talebzadeh...
... use JDBC and the beeline client to interact with a Hive 1.2.1 store. > > I have some string data that contains single quotes (as well as other > special characters) that requires being escaped...
... in order to be inserted > into my tables. For example, the string "Doug's Diner": > > INSERT INTO my_table (some_col) VALUES ('Doug\'s Diner') > > What I am finding is that the single quote inside...
   Author: Mich Talebzadeh , 2016-03-30, 20:44
[expand - 1 more] - Parquet versus ORC - Hive - [mail # user]
...Hi, Thanks for that link. It appears that the main advantages of Parquet is stated as and I quote: "Parquet is built to be used by anyone. The Hadoop ecosystem is rich with data...
... Dec 15) and I quote "Whether ORC is the best format for what you're doing depends on the data you're storing and how you are querying it.  If you are storing data where you know the schema...
... database does). Cheers. Dr Mich Talebzadeh LinkedIn * https://www.linkedin.com/profile/view?id=AAEAAAAWh2gBxianrbJd6zP6AcPCCdOABUrV8Pw * http://talebzadehmich.wordpress.com On 6 March...
... supports in the > docs http://parquet.apache.org/documentation/latest/ > > > n 06/03/2016 15:26, Mich Talebzadeh wrote: > > Hi. > > I have been hearing a fair bit about Parquet versus ORC tables...
..., Parquet etc. > > Appreciate any verification or experience on this. > > Thanks > , > > Dr Mich Talebzadeh > > > > LinkedIn * https://www.linkedin.com/profile/view?id...
   Author: Mich Talebzadeh , 2016-03-06, 16:06
[expand - 4 more] - Efficient filtering on Spark SQL dataframes with ordered keys - Spark - [mail # user]
... and I quote "registerTempTable() registerTempTable() creates an in-memory table that is scoped to the cluster in which it was created. The data is stored using Hive's highly-optimized...
..., in-memory columnar format." So on the face of it tempTable is an in-memory table HTH Dr Mich Talebzadeh LinkedIn * https://www.linkedin.com/profile/view?id...
   Author: Mich Talebzadeh , 2016-11-01, 10:39
[expand - 1 more] - where clause on Phoenix view built on Hbase table throws error - HBase - [mail # user]
...-Apr-08  | 49664486  | +-----------+-----------+ 1 row selected (0.016 seconds) BTW I believe double quotes in enclosing phoenix column names are needed for case sensitivity on Hbase? Also...
... does Phoenix have type conversion from VARCHAR to integer etc? Is there such document Regards Dr Mich Talebzadeh LinkedIn * https://www.linkedin.com/profile/view?id...
   Author: Mich Talebzadeh , 2016-10-05, 14:34
[expand - 4 more] - Spark streaming issue - Spark - [mail # user]
...)] = org.apache.spark.streaming.kafka.DirectKafkaInputDStream@6d2d3b21 So that opens data stream. What next? Thanks Dr Mich Talebzadeh LinkedIn * https://www.linkedin.com/profile/view?id=AAEAAAAWh2gBxianrbJd6zP6AcPCCdOABUrV8Pw * http...
...://talebzadehmich.wordpress.com On 1 April 2016 at 22:37, Mich Talebzadeh  wrote: > yes I noticed that > > scala> val kafkaStream = KafkaUtils.createStream(ssc, "rhes564:2181", > "rhes564:9092", "newtopic", 1...
...:2181", > "rhes564:9092", "newtopic", 1) > > > Dr Mich Talebzadeh > > > > LinkedIn * https://www.linkedin.com/profile/view?id=AAEAAAAWh2gBxianrbJd6zP6AcPCCdOABUrV8Pw > * > > > > http...
...://talebzadehmich.wordpress.com > > > > On 1 April 2016 at 22:25, Cody Koeninger  wrote: > >> You're not passing valid Scala values.  rhes564:2181  without quotes >> isn't a valid literal, newtopic isn't a list...
... of strings, etc. >> >> On Fri, Apr 1, 2016 at 4:04 PM, Mich Talebzadeh >>  wrote: >> > Thanks Cody. >> > >> > Can I use Receiver-based Approach here? >> > >> > I have created the topic newtopic...
   Author: Mich Talebzadeh , 2016-04-01, 22:26