Recent questions tagged big-data

0 votes
1 answer

What are the security guidelines for Impala?

Aug 6, 2018 in Big Data Hadoop by Data_Nerd
 • 2,390 points • 854 views
0 votes
1 answer

Cloudera Managing and Compatibality

Aug 6, 2018 in Big Data Hadoop by shams
 • 3,670 points • 524 views
0 votes
1 answer

What are the different ways of Installing Hadoop into our local machine?

Aug 4, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 5,256 views
0 votes
1 answer

Which is the most preferable language for Hadooop Map-Reduce programs?

Aug 4, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 3,738 views
0 votes
1 answer

Is there any way to make Apache Commons Math Library available to MapReducer job at runtime?

Aug 3, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 1,108 views
0 votes
1 answer

Reading the file and populating the associative array

Aug 2, 2018 in Big Data Hadoop by Meci Matt
 • 9,460 points • 1,192 views
0 votes
1 answer

What happens in a MapReduce job when you set the number of reducers to one?

Jul 31, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 2,065 views
0 votes
1 answer

HDFS for customer information file

Jul 31, 2018 in Big Data Hadoop by Meci Matt
 • 9,460 points • 615 views
0 votes
1 answer

How a client reads a file from HDFS?

Jul 31, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 2,533 views
0 votes
1 answer

Mappers in Hadoop

Jul 31, 2018 in Big Data Hadoop by Data_Nerd
 • 2,390 points • 528 views
0 votes
1 answer

Backup and Checkpoint Node

Jul 31, 2018 in Big Data Hadoop by Data_Nerd
 • 2,390 points • 3,480 views
0 votes
1 answer

Checkpoint Node in Hadoop

Jul 31, 2018 in Big Data Hadoop by Data_Nerd
 • 2,390 points • 1,320 views
0 votes
1 answer

Block Scanner HDFS

Jul 31, 2018 in Big Data Hadoop by Data_Nerd
 • 2,390 points • 2,455 views
0 votes
1 answer

Filters in HBase

Jul 31, 2018 in Database by Data_Nerd
 • 2,390 points • 6,981 views
0 votes
1 answer

Compaction HBase

Jul 31, 2018 in Database by Data_Nerd
 • 2,390 points • 615 views
0 votes
1 answer

Passing keys and values to the reducers during a standard sort and shuffle phase of MapReduce

Jul 27, 2018 in Big Data Hadoop by Meci Matt
 • 9,460 points • 2,410 views
0 votes
1 answer

Hortonworks vs Cloudera Architecture Difference

Jul 27, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 826 views
0 votes
1 answer

How to create a project for the first time in Hadoop.?

Jul 27, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 1,161 views
0 votes
1 answer

When do reduce tasks start in Hadoop?

Jul 27, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 1,037 views
0 votes
1 answer

What makes Spark faster than MapReduce?

Jul 27, 2018 in Apache Spark by Neha
 • 6,300 points • 1,487 views
0 votes
1 answer

How compression works in Hadoop?

Jul 27, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 2,010 views
+1 vote
1 answer

Reading Performance in Hadoop Cluster

Jul 25, 2018 in Big Data Hadoop by Meci Matt
 • 9,460 points • 820 views
0 votes
1 answer

GROUP and COGROUP in PIG

Jul 25, 2018 in Big Data Hadoop by Data_Nerd
 • 2,390 points • 4,130 views
0 votes
1 answer

Use of MapReduce in PIG

Jul 25, 2018 in Big Data Hadoop by Data_Nerd
 • 2,390 points • 2,247 views
0 votes
1 answer

Difference between a failed task attempt and a killed task attempt

Jul 24, 2018 in Big Data Hadoop by Meci Matt
 • 9,460 points • 3,199 views
0 votes
1 answer

Delete row in HBase

Jul 24, 2018 in Database by Data_Nerd
 • 2,390 points • 1,791 views
0 votes
1 answer

Key Components of HBase

Jul 24, 2018 in Database by shams
 • 3,670 points • 1,566 views
0 votes
1 answer

What metadata is stored on a DataNode when a block is written to it?

Jul 23, 2018 in Big Data Hadoop by Meci Matt
 • 9,460 points • 3,109 views
0 votes
1 answer

Importing a portion of Relational Database to HDFS

Jul 20, 2018 in Big Data Hadoop by Meci Matt
 • 9,460 points • 1,886 views
0 votes
1 answer

How can Hadoop discover missing or corrupt HDFS data?

Jul 19, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 1,447 views
0 votes
1 answer

How the FIFO Scheduler arbitrates the cluster resources for a job and its tasks?

Jul 19, 2018 in Big Data Hadoop by Meci Matt
 • 9,460 points • 1,012 views
0 votes
1 answer

Synchronizing sqoop imported data in HDFS

Jul 19, 2018 in Big Data Hadoop by shams
 • 3,670 points • 1,218 views
0 votes
1 answer

Sqoop Metastore ?

Jul 19, 2018 in Big Data Hadoop by shams
 • 3,670 points • 1,319 views
+1 vote
1 answer

When I try to execute any Hadoop commands error pops up saying unable to find or load main class M

Jul 17, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 2,030 views
0 votes
1 answer

Data model operations in Hbase

Jul 16, 2018 in Database by shams
 • 3,670 points • 868 views
0 votes
1 answer

HLog and WAL in Hbase.

Jul 16, 2018 in Database by shams
 • 3,670 points • 3,925 views
0 votes
1 answer

How does HDFS Federation help HDFS Scale horizontally?

Jul 12, 2018 in Big Data Hadoop by Meci Matt
 • 9,460 points • 1,363 views
0 votes
2 answers

How do I integrate Kdb+ and hadoop?

Jul 12, 2018 in Big Data Hadoop by shubham
 • 7,340 points • 1,730 views
0 votes
1 answer

Connection in Hbase

Jul 11, 2018 in Database by shams
 • 3,670 points • 654 views
0 votes
1 answer

Standalone Mode in Hbase

Jul 11, 2018 in Database by shams
 • 3,670 points • 1,470 views
0 votes
1 answer

How to avoid a “split-brain” scenario with NameNodes?

Jul 11, 2018 in Big Data Hadoop by Meci Matt
 • 9,460 points • 4,480 views
0 votes
1 answer

How Namenode handles data node failures?

Jul 11, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 6,296 views
0 votes
1 answer

Bucketing vs Partitioning in HIve

Jul 9, 2018 in Big Data Hadoop by shams
 • 3,670 points • 27,061 views
0 votes
1 answer

Are there any Limitations of Pig?

Jul 6, 2018 in Big Data Hadoop by Data_Nerd
 • 2,390 points • 1,724 views
0 votes
1 answer

MapFile in Pig

Jul 6, 2018 in Big Data Hadoop by shams
 • 3,670 points • 605 views
0 votes
1 answer

Checkpointing in Hadoop

Jul 3, 2018 in Big Data Hadoop by shams
 • 3,670 points • 1,301 views
0 votes
1 answer

Hadoop Nodes for Multiple Disks

Jul 3, 2018 in Big Data Hadoop by Data_Nerd
 • 2,390 points • 1,954 views
0 votes
1 answer

How to analyze block placement on datanodes and rebalancing data across Hadoop nodes?

Jun 21, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 987 views
0 votes
2 answers

What is the difference between the Smart Data Access of SAP HANA and SAP HANA Vora?

Jun 21, 2018 in Big Data Hadoop by shelly
 • 120 points • 1,316 views
0 votes
1 answer

Is there any way to setup Hadoop nodes (data nodes/namenodes) to use multiple volumes/disks?

Jun 20, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 962 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.