Recent questions tagged big-data

0 votes
1 answer

How do I split a string on a delimiter in Bash?

Dec 7, 2020 in Big Data Hadoop by Roshni
 • 10,520 points • 946 views
+1 vote
1 answer

How does Hadoop process records split across block boundaries?

Dec 7, 2020 in Big Data Hadoop by Roshni
 • 10,520 points • 455 views
0 votes
1 answer

Name node is in safe mode. Not able to leave

Dec 7, 2020 in Big Data Hadoop by Roshni
 • 10,520 points • 1,778 views
0 votes
1 answer

How to list all Kafka topics?

Dec 7, 2020 in Apache Kafka by akhtar
 • 38,230 points • 11,495 views
0 votes
1 answer

What is a broker in Kafka Cluster?

Dec 7, 2020 in Apache Kafka by akhtar
 • 38,230 points • 1,351 views
0 votes
1 answer

What is a producer in Kafka Cluster?

Dec 7, 2020 in Apache Kafka by akhtar
 • 38,230 points • 565 views
0 votes
1 answer

How to create a Kafka producer?

Dec 7, 2020 in Apache Kafka by MD
 • 95,440 points • 585 views
0 votes
1 answer

How to create a Kafka topic in a broker?

Dec 7, 2020 in Apache Kafka by akhtar
 • 38,230 points • 1,360 views
0 votes
1 answer

How to start Kafka server?

Dec 7, 2020 in Apache Kafka by akhtar
 • 38,230 points • 905 views
0 votes
1 answer

How to start Zookeeper service?

Dec 7, 2020 in Apache Kafka by akhtar
 • 38,230 points • 2,103 views
0 votes
1 answer

I am getting this log4j:ERROR setFile(null,true) call failed. java.io.FileNotFoundException: /ozone.log (Read-only file system)

Dec 4, 2020 in Big Data Hadoop by Raj
 • 120 points • 8,310 views
0 votes
1 answer

Spark Core How to fetch max n rows of an RDD function without using Rdd.max()

Dec 3, 2020 in Apache Spark by Prashant
 • 120 points • 1,847 views
0 votes
1 answer

In AWS, if user wants to run spark, then on top of which one of the following can the user do it?

Nov 26, 2020 in Apache Spark by ritu
 • 960 points • 1,167 views
0 votes
1 answer

If i enable zookeeper secrete manager getting java file not found

Nov 21, 2020 in Big Data Hadoop by Shilpa S
 • 450 points • 432 views
0 votes
2 answers

How do I output the results of a HiveQL query to CSV?

Nov 20, 2020 in Big Data Hadoop by anonymous
 • 8,910 points • 7,641 views
0 votes
2 answers

How to know Hive and Hadoop versions from command prompt?

Nov 20, 2020 in Big Data Hadoop by Rajiv
 • 8,910 points • 8,634 views
0 votes
1 answer

How to set variables in HIVE scripts

Nov 20, 2020 in Big Data Hadoop by anonymous
 • 10,520 points • 7,113 views
+1 vote
1 answer

When to use Hadoop, HBase, Hive and Pig?

Nov 20, 2020 in Big Data Hadoop by anonymous
 • 10,520 points • 760 views
0 votes
1 answer

Difference between Pig and Hive? Why have both? [closed]

Nov 20, 2020 in Big Data Hadoop by Roshni
 • 10,520 points • 409 views
0 votes
1 answer

error: value update is not a member of scala.collection.immutable.Map[String, Int]

Nov 17, 2020 in Big Data Hadoop by anonymous
 • 8,910 points • 4,914 views
0 votes
1 answer

How to start working with scala?

Nov 16, 2020 in Big Data Hadoop by anonymous
 • 10,520 points • 359 views
0 votes
1 answer

Moving historyserver to another instance using curl command

Nov 9, 2020 in Big Data Hadoop by Shilpa S
 • 450 points • 561 views
0 votes
1 answer

Zookeeper server going down frequently.

Nov 9, 2020 in Big Data Hadoop by B
 • 210 points • 1,749 views
0 votes
1 answer

HDP Upgrade Issue in 2.6.5.

Nov 7, 2020 in Big Data Hadoop by B
 • 210 points • 647 views
0 votes
1 answer

Validating HA for ranger KMS

Nov 7, 2020 in Big Data Hadoop by Shilpa S
 • 450 points • 670 views
0 votes
1 answer

Map reduce history moving instance using curl .

Nov 7, 2020 in Big Data Hadoop by Shilpa S
 • 450 points • 568 views
+1 vote
1 answer

Not able to create kms key using ambari.

Nov 4, 2020 in Big Data Hadoop by Shilpa S
 • 450 points • 658 views
0 votes
1 answer

How to read Avro Partition Data?

Nov 4, 2020 in Apache Spark by akhtar
 • 38,230 points • 1,560 views
+1 vote
1 answer

How to write Spark DataFrame to Avro Data File?

Nov 4, 2020 in Apache Spark by akhtar
 • 38,230 points • 2,795 views
0 votes
1 answer

How to read a dataframe based on an avro schema?

Oct 30, 2020 in Apache Spark by anonymous
 • 120 points • 2,825 views
0 votes
1 answer

Ranger Kms having multiple instance enabled.

Oct 23, 2020 in Big Data Hadoop by Shilpa S
 • 450 points • 971 views
0 votes
1 answer

How to display the Access Control Lists (ACLs) of files and directories in HDFS?

Oct 20, 2020 in Big Data Hadoop by akhtar
 • 38,230 points • 1,064 views
0 votes
1 answer

Copy a directory from one node in the cluster to another in HDFS.

Oct 20, 2020 in Big Data Hadoop by akhtar
 • 38,230 points • 2,807 views
+1 vote
1 answer

How to copy file from Local file system to HDFS?

Oct 20, 2020 in Big Data Hadoop by akhtar
 • 38,230 points • 2,441 views
0 votes
1 answer

Drop an index from a Hive table.

Oct 19, 2020 in Big Data Hadoop by akhtar
 • 38,230 points • 1,112 views
0 votes
1 answer

How to create an index on Hive table?

Oct 19, 2020 in Big Data Hadoop by akhtar
 • 38,230 points • 1,015 views
0 votes
1 answer

Drop a table in Hive.

Oct 19, 2020 in Big Data Hadoop by akhtar
 • 38,230 points • 470 views
0 votes
1 answer

How to add a column in Hive table?

Oct 19, 2020 in Big Data Hadoop by akhtar
 • 38,230 points • 1,574 views
0 votes
1 answer

How to rename the Hive table?

Oct 19, 2020 in Big Data Hadoop by akhtar
 • 38,230 points • 10,817 views
0 votes
1 answer

Ranger kms is not coming up

Oct 18, 2020 in Big Data Hadoop by Shilpa S
 • 450 points • 915 views
0 votes
1 answer

How to write a HDF file from a DataFrame?

Oct 18, 2020 in Python by akhtar
 • 38,230 points • 1,079 views
0 votes
1 answer

How to write Reducer code for Hadoop?

Oct 16, 2020 in Big Data Hadoop by akhtar
 • 38,230 points • 656 views
0 votes
1 answer

How to write mapper code for Hadoop in Python?

Oct 16, 2020 in Big Data Hadoop by akhtar
 • 38,230 points • 535 views
0 votes
1 answer

How to find the status of MapReduce Job?

Oct 16, 2020 in Big Data Hadoop by akhtar
 • 38,230 points • 643 views
0 votes
1 answer

Create hive table with location.

Oct 16, 2020 in Big Data Hadoop by MD
 • 95,440 points • 413 views
0 votes
1 answer

How to create hive table without location?

Oct 16, 2020 in Big Data Hadoop by akhtar
 • 38,230 points • 879 views
0 votes
1 answer

Error: Could not create the Java Virtual Machine in Hadoop.

Oct 16, 2020 in Big Data Hadoop by akhtar
 • 38,230 points • 1,804 views
0 votes
1 answer

How to update the existing record in HDFS?

Oct 15, 2020 in Big Data Hadoop by akhtar
 • 38,230 points • 2,488 views
0 votes
1 answer

IOException: All datanodes are bad.

Oct 15, 2020 in Big Data Hadoop by akhtar
 • 38,230 points • 1,805 views
0 votes
1 answer

ERROR: Cannot set priority of datanode process

Oct 15, 2020 in Big Data Hadoop by akhtar
 • 38,230 points • 10,685 views
Page:

Most popular tags

"PMP®","PMI®", "PMI-ACP®" and "PMBOK®" are registered marks of the Project Management Institute, Inc. MongoDB®, Mongo and the leaf logo are the registered trademarks of MongoDB, Inc.