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ETL Using Spark - Spark - [mail # user]
...Ok   1. What information are you fetching from MSSQL. Is this reference data?   2. What information are you processing through Spark via topics?   3. Assuming y...
   Author: Mich Talebzadeh , 2020-05-21, 15:25
[expand - 1 more] - Unit testing Spark/Scala code with Mockito - Spark - [mail # user]
...On a second note with regard Spark and read writes as I understand unittests are not meant to test database connections. This should be done inintegration tests to check that all the parts w...
   Author: Mich Talebzadeh , 2020-05-20, 14:36
create transactional table issue - Hive - [mail # user]
...In Hive 3.1.1 the thread owner table creation works fine hive --versionHive 3.1.10: jdbc:hive2://rhes75:10099/default> create table test.dllm ( b string )partitioned by (a int) clust...
   Author: Mich Talebzadeh , 2020-05-17, 16:50
[expand - 2 more] - How to bulk load a csv file into a phoenix table created in lowercase - Phoenix - [mail # user]
...Thanks.Done, Mich TalebzadehLinkedIn **http://taleb...
   Author: Mich Talebzadeh , 2020-05-16, 09:08
[PHOENIX-5900]  Bulk load a csv file into a phoenix table created in lowercase fails - Phoenix - [issue]
...I have a phoenix table created in lowercase  as follows: CREATE TABLE "MICHTEST"."StagingNotificationPreferencesRT"(ROWKEY VARCHAR NOT NULL PRIMARY KEY,  "cf"."partyId" VARCHAR, "cf"."childN...    Author: Mich Talebzadeh , 2020-05-16, 09:04
Huge difference in speed between pyspark and scalaspark - Spark - [mail # user]
...This comparison comes up time and time again. Spark is written inScala and providesAPIs in Scala, Java, Python, and R.However, its primary focus has been on Scala. In generic terms this mean...
   Author: Mich Talebzadeh , 2020-05-13, 14:30
[Spark SQL][reopen SPARK-16951]:Alternative implementation of NOT IN to Anti-join - Spark - [mail # user]
...Hi Linna,Please provide a background to it and your solution. The assumption isthat there is a solution. as suggested.Thanks,Dr Mich TalebzadehLinkedIn *
   Author: Mich Talebzadeh , 2020-05-12, 15:16
[expand - 3 more] - Celebrating our 10th birthday for Apache HBase - HBase - [mail # user]
...Hi,I will be presenting on Hbase to one of the major European banks thisFriday  15th May.Does anyone have latest bullet points on new features of HBase so I can addthem to my presentati...
   Author: Mich Talebzadeh , 2020-05-12, 07:27
AnalysisException - Infer schema for the Parquet path - Spark - [mail # user]
...Have you tried catching error when you are creating a dataframe?import scala.util.{Try, Success, Failure}val df = Try(     format("com.databricks.spark.xml"). ...
   Author: Mich Talebzadeh , 2020-05-10, 05:46
[expand - 1 more] - Is there any difference between conflunt kafka and apache kafka? - Kafka - [mail # user]
...Sure we agree to differ.That is indeed a sign of civilised mind to entertain an idea withoutaccepting it.HTH,Dr Mich TalebzadehLinkedIn *
   Author: Mich Talebzadeh , 2020-05-09, 16:02