questions/big-data-hadoop
You can use the below code to ...READ MORE
Same problem but with recent Hadoop v. ...READ MORE
There are a number of free and ...READ MORE
It can be controlled by setting the ...READ MORE
Hello. The -m or --num-mappers is just a ...READ MORE
One of the most attractive features of ...READ MORE
Hi. I think the reason for this ...READ MORE
Alright, there are couple of things that ...READ MORE
There's one more way of checking the ...READ MORE
Eclipse is already installed in the Edureka ...READ MORE
Here's where you can find the file: /etc/hadoop/[service ...READ MORE
Hi, I think this is because the process ...READ MORE
Enter the below command on the Web ...READ MORE
If we want to see the column ...READ MORE
As the error states, the target directory ...READ MORE
Varchar datatype is also saved internally as ...READ MORE
In order to forcefully let the namenode ...READ MORE
Hey. You can use the following commands ...READ MORE
1.One of the simplest example of Iterative ...READ MORE
Hi, The number of map tasks for a ...READ MORE
First of all check the hadoop version ...READ MORE
Hi, Check your dfs.name.dir and dfs.data.dir path in hdfs-site.xml. Or ...READ MORE
Hey, The create external keyword is used to create a ...READ MORE
In Hdfs, data and metadata are decoupled. ...READ MORE
Basically distributed cache allows you to cache ...READ MORE
One of the major pushes at SAS ...READ MORE
Hi, We can use a normal insert query ...READ MORE
You can add this below property in oozie-site.xml: <property> <name>oozie.service.HadoopAccessorService.jobTracker.whitelist</name> <value>myaddress:8020</value> </property> Hope ...READ MORE
Sqoop is not able to communicate with ...READ MORE
The default execution engine for Hive is mr. To ...READ MORE
The Uri should be your Cluster Name, ...READ MORE
hadoop.http.authentication.signature.secret.file: The signature secret file for signing ...READ MORE
See I don't know the answer to ...READ MORE
Please refer to the below commands: student = ...READ MORE
Hey, If for some reason you decide not ...READ MORE
You can use the SPARK_MAJOR_VERSION for this. Suppose ...READ MORE
You can use a Writable, something like ...READ MORE
Since your data is delimited with tabs ...READ MORE
Firstly, we must learn that these are ...READ MORE
Follow the below steps to install Spark ...READ MORE
Hey, Byte Array, Put p = new Put(Bytes.toBytes("John Smith")); All ...READ MORE
Try this: stop all the daemons: ./stop-all.sh format the namenode: cd ...READ MORE
We have to cache the values from ...READ MORE
Hey, I solved this problem by removing hadoop ...READ MORE
The binary representation of a Text object ...READ MORE
You can enable data compression from the ...READ MORE
Hi@akhtar, As we know HDFS works in a ...READ MORE
The format for connection string for Oracle ...READ MORE
Maybe because you have not started hadoop ...READ MORE
Hi Team, I am new to Hadoop I ...READ MORE
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