Recent questions tagged big-data

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What is fork Keyword in Oozie? How Fork and Join keyword are related t o each other in Oozie?

Jun 12, 2019 in Big Data Hadoop by Chetna
 • 2,968 views
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What is the necessity of slave node in Oozie workflow?

Jun 12, 2019 in Big Data Hadoop by Narayan
 • 588 views
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Use cases of Apache Oozie?

Jun 12, 2019 in Big Data Hadoop by taran
 • 1,011 views
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What start node does in Oozie?

Jun 11, 2019 in Big Data Hadoop by Govind
 • 574 views
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Why we require SSH during hadoop installation?

Jun 11, 2019 in Big Data Hadoop by Lovish
 • 130 points • 5,613 views
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What is control flow Nodes defines in Oozie?

Jun 10, 2019 in Big Data Hadoop by nikita
 • 1,072 views
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Mention what is the Hadoop MapReduce APIs contract for a key and value class?

Jun 10, 2019 in Big Data Hadoop by kiara
 • 854 views
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How to ensure that Oozie has started? Which Command line tool use to check the status of Oozie?

Jun 10, 2019 in Big Data Hadoop by rishi
 • 1,733 views
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How to create the Oozie DB using the 'ooziedb.sh' command line tool?

Jun 10, 2019 in Big Data Hadoop by rakesh
 • 1,109 views
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How to configure the Hadoop cluster with proxyuser for the Oozie process?

Jun 10, 2019 in Big Data Hadoop by rajnish
 • 989 views
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Mention how many InputSplits is made by a Hadoop Framework?

Jun 10, 2019 in Big Data Hadoop by sivani
 • 794 views
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Explain what is WebDAV in Hadoop?

Jun 10, 2019 in Big Data Hadoop by jina
 • 986 views
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Explain what does the conf.setMapper Class do?

Jun 10, 2019 in Big Data Hadoop by sekhar
 • 693 views
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Mention what are the main configuration parameters that user need to specify to run MapReduce Job?

Jun 10, 2019 in Big Data Hadoop by sikha
 • 2,451 views
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Explain what is a sequence file in Hadoop?

Jun 10, 2019 in Big Data Hadoop by ranjan
 • 1,049 views
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Explain to me the correct way to get a Hadoop FileSystem object so that I can use it for reading from HDFS as well as writing to HDFS.

Jun 7, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 2,608 views
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1 answer

How do I handle "Hadoop security GroupMappingServiceProvider exception" while I am running a Spark job via Dataproc API?

Jun 7, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,225 views
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1 answer

Factorial function in Impala

Jun 7, 2019 in Big Data Hadoop by Rishi
 • 557 views
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How to subtract month from Impala time stamp?

Jun 6, 2019 in Big Data Hadoop by Jimmy
 • 3,621 views
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Impala: Add months to current time

Jun 6, 2019 in Big Data Hadoop by Esha
 • 2,017 views
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1 answer

Impala get current time

Jun 6, 2019 in Big Data Hadoop by Yogi
 • 1,503 views
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1 answer

Power of a number in Impala

Jun 6, 2019 in Big Data Hadoop by Ranjith
 • 827 views
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1 answer

Impala concatenate string.

Jun 6, 2019 in Big Data Hadoop by Keshav
 • 13,993 views
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1 answer

Sqoop and Teradata database connection URL

Jun 6, 2019 in Big Data Hadoop by Lakhan
 • 1,201 views
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3 answers

JDBC connection string for Netezza

Jun 6, 2019 in Big Data Hadoop by Raman
 • 3,522 views
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1 answer

What is the PostgreSQL connection string for Sqoop?

Jun 6, 2019 in Big Data Hadoop by Rajeev
 • 2,001 views
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1 answer

Connection String for MySQL database using Sqoop

Jun 6, 2019 in Big Data Hadoop by jana
 • 2,058 views
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1 answer

Sqoop: Oracle Connection String

Jun 6, 2019 in Big Data Hadoop by Esha
 • 2,288 views
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1 answer

Install PostgreSQL JDBC driver for Sqoop

Jun 6, 2019 in Big Data Hadoop by Kanta
 • 3,184 views
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1 answer

Using Microsoft SQL Server for Sqoop

Jun 6, 2019 in Big Data Hadoop by Rachith
 • 1,021 views
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1 answer

Run Oozie against a federated Cluster

Jun 6, 2019 in Big Data Hadoop by Shri
 • 537 views
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1 answer

Oozie Uber JARs support configuration

Jun 6, 2019 in Big Data Hadoop by Rajat
 • 700 views
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1 answer

How to configure Oozie to use Oracle?

Jun 6, 2019 in Big Data Hadoop by Mahi
 • 957 views
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1 answer

Is there a possibility to run Apache Spark without Hadoop?

Jun 6, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,416 views
0 votes
1 answer

Can some one help me resolve this warning? It says "Unable to load Native-Hadoop library to your platform"

Jun 6, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 944 views
0 votes
1 answer

Configure Oozie to use MySQL

Jun 4, 2019 in Big Data Hadoop by Rajat
 • 1,428 views
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1 answer

Configure Oozie to use MariaDB

Jun 4, 2019 in Big Data Hadoop by Jishan
 • 754 views
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1 answer

Configure Oozie to use PostgreSQL

Jun 4, 2019 in Big Data Hadoop by Guru
 • 1,121 views
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1 answer

Remove attribute from a column in HBase

Jun 4, 2019 in Big Data Hadoop by Rajini
 • 1,058 views
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1 answer

Using hedged reads in HBase

Jun 4, 2019 in Big Data Hadoop by Vasan
 • 891 views
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1 answer

Hive queries from mapreduce gives Null Pointer Exception.

Jun 4, 2019 in Big Data Hadoop by Laya
 • 2,587 views
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1 answer

Error: org.apache.thrift.transport.TTransportException (state=08S01,code=0)

Jun 4, 2019 in Big Data Hadoop by Guru
 • 12,150 views
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1 answer

Hive Execution Engine

Jun 4, 2019 in Big Data Hadoop by Rani
 • 2,314 views
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1 answer

JDBC to HiveServer2 connection in HTTPS mode with SSL enabled

Jun 4, 2019 in Big Data Hadoop by Esha
 • 2,149 views
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Connecting to HiveServer2 with SSL enabled.

Jun 4, 2019 in Big Data Hadoop by Saurav
 • 619 views
0 votes
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How to connect to HiveServer2 in HTTPS mode?

Jun 4, 2019 in Big Data Hadoop by Vishnu
 • 1,286 views
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1 answer

HiveServer2 connection URL for remote mode

Jun 4, 2019 in Big Data Hadoop by Likith
 • 834 views
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1 answer

HiveServer2 connection URL format

Jun 4, 2019 in Big Data Hadoop by Harsh
 • 696 views
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1 answer

Access Hive Server with JDBC clients

Jun 4, 2019 in Big Data Hadoop by Achuth
 • 1,091 views
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1 answer

How to change WebHCat default port?

Jun 4, 2019 in Big Data Hadoop by Rina
 • 768 views
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