questions/big-data-hadoop/page/27
In Hdfs, data and metadata are decoupled. ...READ MORE
You can increase the threshold in yarn-site.xml <property> ...READ MORE
The error you are getting is AvroWrapper class not ...READ MORE
Try this: val text = sc.wholeTextFiles("student/*") text.collect() ...READ MORE
Please refer to the below commands: student = ...READ MORE
You can see the free available space ...READ MORE
Shuffle happens with key-value pairs. So, when ...READ MORE
The error which you are getting i.e ...READ MORE
import commands hdir_list = commands.getoutput('hadoop fs -ls hdfs: ...READ MORE
You can try the code mentioned below ...READ MORE
You can add more parameters in the ...READ MORE
You can use the hdfs command: hdfs fs ...READ MORE
Try these steps (make necessary changes): First upload ...READ MORE
Seems like the jar file was not ...READ MORE
Yes, you check the free space using ...READ MORE
You can use the DESCRIBE command to ...READ MORE
Hi. You'll need to run start-mapred.sh if you want the ...READ MORE
Hey, try this code import java.io.IOException; import java.util.Iterator; import java.util.StringTokenizer; import ...READ MORE
You can download the script to your ...READ MORE
No, you are not doing anything wrong ...READ MORE
The reason you are getting hadoop as ...READ MORE
Running Hive client tools with embedded servers ...READ MORE
For some reason, the jar hadoop-aws-[version].jar which contains the ...READ MORE
Hadoop has a special file system called ...READ MORE
One of the most attractive features of ...READ MORE
Cluster management is something that is generally ...READ MORE
Here, we have two tables: Tab1 having columns ...READ MORE
The entries in your .bashrc file looks ...READ MORE
We Can not connect hive to tableau ...READ MORE
Seems like you are not passing the ...READ MORE
These are the necessary tables required for metastore that are ...READ MORE
You dont have to specify the file name ...READ MORE
Try this: create table books(isbn string, book_title string, ...READ MORE
Seems like mysql.sock does not exist in the ...READ MORE
Seems like you have installed Spark2 but ...READ MORE
You can change/replace the LOG_DIR variable to ...READ MORE
For change in the file format, you ...READ MORE
Yes, you can create manual partition. Here's ...READ MORE
As mentioned in the error, the nodes ...READ MORE
Hive CLI connects to a remote HiveServer1 ...READ MORE
If you were able to start the ...READ MORE
You can follow these steps to find ...READ MORE
Seems like the output file already exists. ...READ MORE
No, there is no other option to ...READ MORE
In the query mentioned in your question, ...READ MORE
Follow these steps to set the map ...READ MORE
You can use the job object to access the ...READ MORE
I executed the same code and it ...READ MORE
Open spark-shell. scala> import org.apache.spark.sql.hive._ scala> val hc = ...READ MORE
One of the reasons could be different ...READ MORE
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