sqoop Questions

4

I'm trying to install the MS SQL JDBC driver on ubuntu to be used with sqoop for Hadoop. I'm totally new to java and linux, so I'm not sure where to extract everything to.
Therapist asked 15/3, 2011 at 3:0

6

Solved

I installed Hadoop, Hive, HBase, Sqoop and added them to the PATH. When I try to execute sqoop command, I'm getting this error: Error: Could not find or load main class org.apache.sqoop.Sqoop D...
Kindergarten asked 20/3, 2013 at 20:49

7

Solved

I am working on a use case where I have to transfer data from RDBMS to HDFS. We have done the benchmarking of this case using sqoop and found out that we are able to transfer around 20GB data in 6-...
Marcellusmarcelo asked 10/5, 2016 at 8:41

5

Assuming we don't have a column where values are equally distributed, let's say we have a command like this: sqoop import \ ... --boundary-query "SELECT min(id), max(id) from some_table" ...
Flatling asked 28/11, 2016 at 6:5

5

I have imported tables from Postgres to hdfs by using sqoop. My table have uuid field as primary key and my command sqoop as below: sqoop import --connect 'jdbc:postgresql://localhost:5432/mydb' -...
Infidel asked 12/3, 2018 at 3:0

4

Solved

The Null values are displayed as '\N' when a hive external table is queried. Below is the sqoop import script: sqoop import -libjars /usr/lib/sqoop/lib/tdgssconfig.jar,/usr/lib/sqoop/lib/terajd...
Euh asked 27/10, 2016 at 17:1

7

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We are using Cloudera CDH 4 and we are able to import tables from our Oracle databases into our HDFS warehouse as expected. The problem is we have 10's of thousands of tables inside our databases a...
Abiogenetic asked 19/6, 2013 at 14:41

2

I need to transfer data from Hive to MySQL. Here is my sqoop command: jdbc:mysql://mysqlserver --username username --password password --table test --columns "member_id,answer_id,answerer_id" -m ...
Monophysite asked 11/10, 2016 at 14:16

4

I downloaded sqljdbc4.jar. I'm invoking sqoop like so from the folder (where the jar is stored): sqoop list-tables --driver com.microsoft.jdbc.sqlserver.SQLServerDriver --connect jdbc:sqlserver://...
Plagiarize asked 25/10, 2013 at 18:47

6

Solved

sqoop import --connect jdbc:teradata://192.168.xx.xx/DBS_PORT=1025,DATABASE=ds_tbl_db --driver com.teradata.jdbc.TeraDriver --username dbc --password dbc --query 'select * from reason where id&...
Scion asked 28/2, 2016 at 8:36

2

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As a developer, I've created HBase table for our project by importing data from existing MySQL table using sqoop job. The problem is our data analyst team are familiar with MySQL syntax, implies th...
Accuse asked 8/5, 2015 at 15:7

7

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I am using hadoop-1.2.1 and sqoop version is 1.4.4. I am trying to run the following query. sqoop import --connect jdbc:mysql://IP:3306/database_name --table clients --target-dir /data/clients --...
Beaconsfield asked 17/4, 2015 at 10:12

5

As per my understanding sqoop is used to import or export table/data from the Database to HDFS or Hive or HBASE. And we can directly import a single table or list of tables. Internally mapreduce p...
Graceless asked 25/8, 2016 at 16:32

1

I'm loading data from HDFS to mySQL using SQOOP, in this data one record has got more than 70 fields, making it difficult to define the schema while creating the table in RDBMS. Is there a way to ...
Cariecaries asked 9/2, 2017 at 4:25

5

I am trying to import data from sqoop to hive MySQL use sample; create table forhive( id int auto_increment, firstname varchar(36), lastname varchar(36), primary key(id) ); insert into for...
Stagemanage asked 2/8, 2018 at 19:41

7

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I Installed Sqoop in my local machine. Following are the config information. Bash.bashrc: export HADOOP_HOME=/home/hduser/hadoop export HBASE_HOME=/home/hduser/hbase export HIVE_HOME=/home/hduser...
Gamma asked 30/3, 2014 at 6:53

3

Solved

Sqoop while used with HCatalog import not able to remove new line (\n) from column data even after using --hive-drop-import-delims option in the command when running Apache Sqoop with Oracle. Sqoo...
Icebox asked 21/1, 2015 at 20:26

5

Can I import RDBMS table data (table doesn't have a primary key) to hive using sqoop? If yes, then can you please give the sqoop import command. I have tried with sqoop import general command, but...
Resist asked 19/3, 2015 at 6:34

8

Need advice on Sqoop Incremental Imports. Say I have a Customer with Policy 1 on Day 1 and I imported those records in HDFS on Day 1 and I see them in Part Files. On Day 2, the same customer adds ...
Bluefield asked 9/4, 2014 at 17:6

5

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Can anyone tell me what is the use of --split-by and boundary query in sqoop? sqoop import --connect jdbc:mysql://localhost/my --username user --password 1234 --query 'select * from table where ...
Tush asked 29/7, 2013 at 11:58

4

I have the use case below : My application has a table having multiyear data in RDBMS DB. We have used sqoop to get data into HDFS and have loaded into hive table partitioned by year, month. Now,...
Leg asked 12/6, 2014 at 15:41

1

I am trying to import a table of 32 Million records from SQL Server to Hive via Sqoop. The connection is SQL Server is successful. But Map/Reduce job does not successfully execute. It gives the fol...
Liberal asked 19/7, 2018 at 5:25

6

I have two HDFS setup and want to copy (not migrate or move) some tables from HDFS1 to HDFS2. How to copy data from one HDFS to another HDFS? Is it possible via Sqoop or other command line?
Preterit asked 6/8, 2015 at 18:11

2

Solved

I've created a simple table in postgres called employees in database mytestdb I would like to import this table into hdfs. bin/sqoop import --connect 'jdbc:postgresql://127.0.0.1/mytestdb' --user...
Delora asked 29/4, 2018 at 9:47

9

I have a hadoop ha setup based on cdh5.I have tried to import tables from mysql by using sqoop failed with following error. 15/03/20 12:47:53 ERROR manager.SqlManager: Error reading from database:...
Furthermost asked 20/3, 2015 at 8:38

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