Recent questions tagged big-data

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What is the use of fsimage in hadoop?

Dec 21, 2018 in Big Data Hadoop by digger
 • 26,740 points • 24,033 views
–1 vote
1 answer

What is shared FS in the standby namenode?

Dec 21, 2018 in Big Data Hadoop by digger
 • 26,740 points • 512 views
–1 vote
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Is standby node missing in Hadoop 1.0?

Dec 21, 2018 in Big Data Hadoop by digger
 • 26,740 points • 494 views
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What does a secondary namenode do in Hadoop?

Dec 21, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 2,446 views
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Running into an issue while running the mapred job on the server

Dec 20, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 356 views
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Cant access the Hadoop Namenode from browser

Dec 20, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 1,539 views
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Datanode not running and not able start

Dec 20, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 708 views
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1 answer

Not able to start/stop hadoop daemons

Dec 20, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 1,548 views
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1 answer

Create a Hive table with a sequence file

Dec 20, 2018 in Apache Kafka by nguyenthaonhi
 • 120 points • 1,046 views
–1 vote
1 answer

Need help in Installation of Hadoop

Dec 19, 2018 in Big Data Hadoop by digger
 • 26,740 points • 340 views
–1 vote
1 answer

Display contents of my Parquet file.

Dec 19, 2018 in Big Data Hadoop by digger
 • 26,740 points • 2,681 views
–1 vote
1 answer

Sqoop split-by problem

Dec 19, 2018 in Big Data Hadoop by digger
 • 26,740 points • 2,174 views
–1 vote
1 answer

Copying jar file into hadoop

Dec 19, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,218 views
–1 vote
1 answer

Getting error when writing to HDFS. Unable to load native-hadoop library for your platform

Dec 19, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,231 views
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If there are two joins in hive, how many mapreduce jobs will run?

Dec 19, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 6,637 views
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1 answer

Hadoop MapReduce wordcount "type job is not applicable for the arguments" error

Dec 19, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 662 views
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1 answer

How to execute wordcount in Hadoop?

Dec 19, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 966 views
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1 answer

What is the difference between MapReduce and YARN in Hadoop?

Dec 19, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 5,063 views
+2 votes
1 answer

How To Configure Tls Encryption For Cloudera Manager?

Dec 19, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 432 views
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1 answer

MapReduce "cannot be resolved to a type" error

Dec 18, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,419 views
0 votes
1 answer

Sqoop import not working

Dec 18, 2018 in Big Data Hadoop by digger
 • 26,740 points • 790 views
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1 answer

How to implement sqoop jobs?

Dec 18, 2018 in Big Data Hadoop by digger
 • 26,740 points • 397 views
0 votes
1 answer

Sqoop data transfer with SSL or SFtp

Dec 18, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,371 views
0 votes
1 answer

How to securely transfer data from rdms to hdfs using sqoop?

Dec 18, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 1,181 views
0 votes
1 answer

Executing mapper and reducer individually

Dec 18, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 545 views
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1 answer

Hadoop Data node acknowledgement

Dec 18, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 637 views
+1 vote
1 answer

Unable to load data in Hbase table from dataset

Dec 18, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 1,879 views
+1 vote
1 answer

How to print data without brackets using PIG Dump?

Dec 18, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 2,031 views
0 votes
1 answer

How to change file format using Sqoop?

Dec 18, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,724 views
0 votes
3 answers

How to change the delimiter in Sqoop?

Dec 18, 2018 in Big Data Hadoop by digger
 • 26,740 points • 10,010 views
0 votes
1 answer

How to create a Hive table from sequence file stored in HDFS?

Dec 17, 2018 in Big Data Hadoop by digger
 • 26,740 points • 4,547 views
0 votes
1 answer

How to create a Hive table with a sequence file?

Dec 17, 2018 in Big Data Hadoop by digger
 • 26,740 points • 3,317 views
0 votes
1 answer

Command to partition table in Hive

Dec 17, 2018 in Big Data Hadoop by digger
 • 26,740 points • 741 views
+1 vote
1 answer

What is the process to perform an incremental data load in Sqoop?

Dec 17, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 5,059 views
0 votes
1 answer

Sqoop import gives error: org.apache.hadoop.security.AccessControlException: Permission denied

Dec 17, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 1,795 views
+1 vote
1 answer

How to switch off Cloudera Manager Service?

Dec 17, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 373 views
0 votes
1 answer

How to check Cloudera Manager Service status?

Dec 17, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 2,784 views
0 votes
1 answer

Junit test for Map Reduce Hadoop

Dec 17, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 2,411 views
0 votes
1 answer

Hadoop mapreduce java: NullPoint Exception

Dec 14, 2018 in Big Data Hadoop by digger
 • 26,740 points • 591 views
0 votes
1 answer

How to open MySql console in Ubuntu?

Dec 14, 2018 in Big Data Hadoop by digger
 • 26,740 points • 2,285 views
0 votes
1 answer

How to export file from sqoop to sql table?

Dec 14, 2018 in Big Data Hadoop by digger
 • 26,740 points • 835 views
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1 answer

How to use sqoop import?

Dec 14, 2018 in Big Data Hadoop by digger
 • 26,740 points • 614 views
0 votes
1 answer

Not able to insert in hive partition table

Dec 14, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 2,945 views
0 votes
1 answer

Not able to insert data into hive table

Dec 14, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 2,655 views
0 votes
1 answer

Using HBase jar files. Where to download and set classpath

Dec 14, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 2,737 views
0 votes
1 answer

Getting some warning/error while loading java file using Hbase commands

Dec 14, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 582 views
0 votes
1 answer

How to create external Hive table?

Dec 14, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 664 views
0 votes
1 answer

How to create a managed table in Hive?

Dec 14, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 5,126 views
0 votes
1 answer

Managed Table vs External Table

Dec 14, 2018 in Big Data Hadoop by digger
 • 26,740 points • 12,506 views
0 votes
1 answer

Hadoop Hive Bucketing

Dec 14, 2018 in Big Data Hadoop by digger
 • 26,740 points • 490 views
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