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
 • 10,480 points • 1,140 views
+1 vote
1 answer

How does Hadoop process records split across block boundaries?

Dec 7, 2020 in Big Data Hadoop by Roshni
 • 10,480 points • 713 views
0 votes
1 answer

Name node is in safe mode. Not able to leave

Dec 7, 2020 in Big Data Hadoop by Roshni
 • 10,480 points • 2,164 views
0 votes
1 answer

How to list all Kafka topics?

Dec 7, 2020 in Apache Kafka by akhtar
 • 38,260 points • 11,970 views
0 votes
1 answer

What is a broker in Kafka Cluster?

Dec 7, 2020 in Apache Kafka by akhtar
 • 38,260 points • 1,615 views
0 votes
1 answer

What is a producer in Kafka Cluster?

Dec 7, 2020 in Apache Kafka by akhtar
 • 38,260 points • 748 views
0 votes
1 answer

How to create a Kafka producer?

Dec 7, 2020 in Apache Kafka by MD
 • 95,460 points • 803 views
0 votes
1 answer

How to create a Kafka topic in a broker?

Dec 7, 2020 in Apache Kafka by akhtar
 • 38,260 points • 1,610 views
0 votes
1 answer

How to start Kafka server?

Dec 7, 2020 in Apache Kafka by akhtar
 • 38,260 points • 1,105 views
0 votes
1 answer

How to start Zookeeper service?

Dec 7, 2020 in Apache Kafka by akhtar
 • 38,260 points • 2,548 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 • 8,898 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 • 2,182 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 • 1,417 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 • 577 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
 • 8,870 points • 8,498 views
0 votes
2 answers

How to know Hive and Hadoop versions from command prompt?

Nov 20, 2020 in Big Data Hadoop by Rajiv
 • 8,870 points • 11,258 views
0 votes
1 answer

How to set variables in HIVE scripts

Nov 20, 2020 in Big Data Hadoop by anonymous
 • 10,480 points • 7,989 views
+1 vote
1 answer

When to use Hadoop, HBase, Hive and Pig?

Nov 20, 2020 in Big Data Hadoop by anonymous
 • 10,480 points • 957 views
0 votes
1 answer

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

Nov 20, 2020 in Big Data Hadoop by Roshni
 • 10,480 points • 590 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
 • 8,870 points • 5,448 views
0 votes
1 answer

How to start working with scala?

Nov 16, 2020 in Big Data Hadoop by anonymous
 • 10,480 points • 597 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 • 792 views
0 votes
1 answer

Zookeeper server going down frequently.

Nov 9, 2020 in Big Data Hadoop by B
 • 210 points • 2,198 views
0 votes
1 answer

HDP Upgrade Issue in 2.6.5.

Nov 7, 2020 in Big Data Hadoop by B
 • 210 points • 817 views
0 votes
1 answer

Validating HA for ranger KMS

Nov 7, 2020 in Big Data Hadoop by Shilpa S
 • 450 points • 996 views
0 votes
1 answer

Map reduce history moving instance using curl .

Nov 7, 2020 in Big Data Hadoop by Shilpa S
 • 450 points • 793 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 • 930 views
0 votes
1 answer

How to read Avro Partition Data?

Nov 4, 2020 in Apache Spark by akhtar
 • 38,260 points • 1,864 views
+1 vote
1 answer

How to write Spark DataFrame to Avro Data File?

Nov 4, 2020 in Apache Spark by akhtar
 • 38,260 points • 3,271 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 • 3,247 views
0 votes
1 answer

Ranger Kms having multiple instance enabled.

Oct 23, 2020 in Big Data Hadoop by Shilpa S
 • 450 points • 1,321 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
 • 38,260 points • 1,556 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
 • 38,260 points • 3,317 views
+1 vote
1 answer

How to copy file from Local file system to HDFS?

Oct 20, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 2,955 views
0 votes
1 answer

Drop an index from a Hive table.

Oct 19, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 1,595 views
0 votes
1 answer

How to create an index on Hive table?

Oct 19, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 1,287 views
0 votes
1 answer

Drop a table in Hive.

Oct 19, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 758 views
0 votes
1 answer

How to add a column in Hive table?

Oct 19, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 1,907 views
0 votes
1 answer

How to rename the Hive table?

Oct 19, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 12,759 views
0 votes
1 answer

Ranger kms is not coming up

Oct 18, 2020 in Big Data Hadoop by Shilpa S
 • 450 points • 1,176 views
0 votes
1 answer

How to write a HDF file from a DataFrame?

Oct 18, 2020 in Python by akhtar
 • 38,260 points • 1,302 views
0 votes
1 answer

How to write Reducer code for Hadoop?

Oct 16, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 854 views
0 votes
1 answer

How to write mapper code for Hadoop in Python?

Oct 16, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 762 views
0 votes
1 answer

How to find the status of MapReduce Job?

Oct 16, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 821 views
0 votes
1 answer

Create hive table with location.

Oct 16, 2020 in Big Data Hadoop by MD
 • 95,460 points • 618 views
0 votes
1 answer

How to create hive table without location?

Oct 16, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 1,143 views
0 votes
1 answer

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

Oct 16, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 2,204 views
0 votes
1 answer

How to update the existing record in HDFS?

Oct 15, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 3,095 views
0 votes
1 answer

IOException: All datanodes are bad.

Oct 15, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 2,216 views
0 votes
1 answer

ERROR: Cannot set priority of datanode process

Oct 15, 2020 in Big Data Hadoop by akhtar
 • 38,260 points • 11,725 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.