Trending questions in Big Data Hadoop

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ERROR [main] client.ConnectionManager$HConnectionImplementation: The node /hbase is not in ZooKeeper.

Hi@akhtar, When you try to start hbase server, ...READ MORE

Mar 30, 2020 in Big Data Hadoop by MD
• 95,460 points
1,355 views
0 votes
2 answers

Load data into the hive table

Hi, We can use a normal insert query ...READ MORE

Oct 16, 2020 in Big Data Hadoop by MD
• 95,460 points
2,358 views
0 votes
1 answer

ConfigurationException: replication_factor is an option for SimpleStrategy, not NetworkTopologyStrategy

Hi@akhtar, In cassandra there are two types of ...READ MORE

Apr 1, 2020 in Big Data Hadoop by MD
• 95,460 points
1,213 views
0 votes
2 answers

hadoop copy a local file system folder to HDFS

There's a typo in your command: "hadopp". ...READ MORE

Feb 4, 2019 in Big Data Hadoop by Lohith
25,686 views
0 votes
7 answers

How to run a jar file in hadoop?

I used this command to run my ...READ MORE

Dec 10, 2018 in Big Data Hadoop by Dasinto
27,155 views
0 votes
11 answers

What is the command to start Job history server in Hadoop 2.x & how to get its UI?

mr-jobhistory-daemon. sh start historyserver READ MORE

Jul 24, 2019 in Big Data Hadoop by Lokesh Singh
21,692 views
0 votes
1 answer

can we store hive output in hadoop hdfs

Hi, You can save your hive output to ...READ MORE

Feb 24, 2020 in Big Data Hadoop by MD
• 95,460 points
2,613 views
0 votes
1 answer

while executing this iam getting this error can anyone please help me with the solution please

Hi@srija, It seems you have not provided complete ...READ MORE

Apr 6, 2020 in Big Data Hadoop by MD
• 95,460 points
768 views
0 votes
1 answer

How to set pssword based authentication in cassandra?

Hi@akhtar, You can set password to your cassandra ...READ MORE

Apr 1, 2020 in Big Data Hadoop by MD
• 95,460 points
912 views
0 votes
1 answer

configure Cassendra in Linux system?

Hi@akhtar, To install cassandra in your system, follow ...READ MORE

Apr 1, 2020 in Big Data Hadoop by MD
• 95,460 points
876 views
0 votes
1 answer

How to create table in cassandra?

Hi@akhtar, To create table in cassandra, you have ...READ MORE

Apr 1, 2020 in Big Data Hadoop by MD
• 95,460 points
842 views
+1 vote
2 answers

Hadoop Learning Path

Hi! Since you have only 6 weeks, it's ...READ MORE

Nov 28, 2019 in Big Data Hadoop by Farheen
1,395 views
0 votes
1 answer

What is the difference between S3n, S3a, and S3?

Your doubt is quite an interesting one. Yes, ...READ MORE

Jul 30, 2019 in Big Data Hadoop by ravikiran
• 4,620 points
11,416 views
0 votes
1 answer

HDFS on docker containers - is it possible?

Hi @judy, It is possible to Simplifying Hadoop deployments ...READ MORE

Feb 12, 2020 in Big Data Hadoop by Gitika
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2,902 views
0 votes
1 answer

What is ETL tool in Hadoop?

Hi@akhtar, ETL means extract, transform, load. It is ...READ MORE

Feb 2, 2020 in Big Data Hadoop by MD
• 95,460 points
3,307 views
0 votes
1 answer

org.datanucleus.store.rdbms.exceptions.MissingTableException: Required table missing : "DBS" in Catalog "" Schema "".

Hi@akhtar, Here you have to add the below  ...READ MORE

Feb 5, 2020 in Big Data Hadoop by MD
• 95,460 points
3,087 views
0 votes
1 answer

Implementation in Hadoop

Hi@pinal, You have already installed hadoop. Now you ...READ MORE

Apr 3, 2020 in Big Data Hadoop by MD
• 95,460 points
548 views
0 votes
1 answer

Copy file from local to hdfs from the spark job in yarn mode

Please refer to the below code: import org.apache.hadoop.conf.Configuration import ...READ MORE

Jul 16, 2019 in Big Data Hadoop by Raj
11,828 views
0 votes
0 answers

HIve sql multiple conditions in where cluase

Hi, My table has created_date, changed_date in datetime ...READ MORE

Feb 12, 2020 in Big Data Hadoop by syam
• 120 points

edited Feb 12, 2020 by Gitika 2,744 views
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1 answer

How to create a parquet table in hive and store data in it from a hive table?

Please use the code attached below for ...READ MORE

Jan 28, 2019 in Big Data Hadoop by Omkar
• 69,220 points
19,026 views
0 votes
1 answer

Bucketing vs Partitioning in HIve

Partition divides large amount of data into ...READ MORE

Jul 9, 2018 in Big Data Hadoop by Data_Nerd
• 2,390 points
27,334 views
0 votes
1 answer

How to select particular column In a table in hive?

Hive is a high-level language to analyze ...READ MORE

Jul 31, 2019 in Big Data Hadoop by Killian
10,561 views
0 votes
1 answer

SOURCE $HIVE_HOME/scripts/metastore/upgrade/mysql/hive-schema-0.14.0.mysql.sql; ERROR:

Hi@akhtar, I think mysql is not able to ...READ MORE

Feb 13, 2020 in Big Data Hadoop by MD
• 95,460 points
1,829 views
0 votes
1 answer

What is the main purpose of HDFS fsck command?

HDFS fsck is used to check the ...READ MORE

Apr 10, 2019 in Big Data Hadoop by Gitika
• 65,770 points

edited Apr 12, 2019 by Gitika 15,141 views
+1 vote
1 answer

Streaming facebook data using Flume framework!!!

Hi You can find the facebook 'API' from ...READ MORE

Jan 21, 2020 in Big Data Hadoop by anonymous
2,722 views
0 votes
1 answer

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

This error usually occurs when the HiveServer2 ...READ MORE

Jun 4, 2019 in Big Data Hadoop by Ram
12,499 views
0 votes
1 answer

Exception in thread "main" java.lang.RuntimeException: Hive metastore database is not initialized.

Hi@akhtar, In this scenario, first you check if ...READ MORE

Feb 5, 2020 in Big Data Hadoop by MD
• 95,460 points
1,873 views
0 votes
1 answer

ERROR 1819 (HY000): Your password does not satisfy the current policy requirements

Hi@akhtar, Before setting password in mysql, check the ...READ MORE

Feb 13, 2020 in Big Data Hadoop by MD
• 95,460 points
1,496 views
+1 vote
1 answer

Information Unavailable:Running jps command in Hadoop

Hi, I think this is because the process ...READ MORE

Jan 21, 2020 in Big Data Hadoop by anonymous
2,369 views
0 votes
2 answers

Not Able to read the file from hdfs location

Please make sure you connect to spark2-shell ...READ MORE

Jul 14, 2020 in Big Data Hadoop by Shantanu
• 190 points
2,453 views
0 votes
1 answer

How to groupBy/count then filter on count in Scala

I think the exception is caused because ...READ MORE

Apr 19, 2018 in Big Data Hadoop by kurt_cobain
• 9,350 points
30,070 views
0 votes
0 answers

Sentry: Grant role is getting error, while executing

Hi, Sentry: I am trying to grant a ...READ MORE

Feb 14, 2020 in Big Data Hadoop by Mahboob
• 140 points
1,169 views
0 votes
0 answers

Grant role is getting error, while executing

Hi, I am trying to grant a role ...READ MORE

Feb 14, 2020 in Big Data Hadoop by Mahboob
• 140 points
998 views
+1 vote
1 answer

Does sqoop 1.4.6 version on HDP 2.6.4 support SSL

Hi, Is your "JDBC location" string connect?  If ...READ MORE

Jan 29, 2020 in Big Data Hadoop by Roshan
1,524 views
+1 vote
2 answers

How to find previous records from a data set in Pig??

Hi, You can use ToDate() and SubtractDuration() function ...READ MORE

Jan 23, 2020 in Big Data Hadoop by MD
• 95,460 points
1,755 views
0 votes
1 answer

How to remove duplicate records from Hive table?

A record is duplicate if there are ...READ MORE

Jul 11, 2019 in Big Data Hadoop by Bhuvan
10,116 views
0 votes
1 answer

How to install Hive on Windows Operating System?

First, download Hive from the following link: http://www.apache.org/dyn/closer.cgi/hive/ Next, ...READ MORE

Feb 27, 2019 in Big Data Hadoop by Kirti
15,841 views
0 votes
1 answer

Difference between Cluster and nodes?

In Hadoop distributed system, Node is a single ...READ MORE

Apr 9, 2019 in Big Data Hadoop by Gitika
• 65,770 points
13,995 views
+2 votes
0 answers

MapReduce Job is failed: "Job failed as tasks failed. failed Maps:1 failed Reduces:0"

Hi everyone This is an error that I'm ...READ MORE

Jan 17, 2020 in Big Data Hadoop by akhtar
• 38,260 points
1,700 views
0 votes
1 answer

How can I append data to an existing file in HDFS?

You have to do some configurations as ...READ MORE

Jul 25, 2019 in Big Data Hadoop by ravikiran
• 4,620 points
9,211 views
+1 vote
1 answer

About Available Space Block Placement Policy

Hi, We know, In HDFS data is divided into ...READ MORE

Jan 29, 2020 in Big Data Hadoop by MD
• 95,460 points
1,117 views
+1 vote
1 answer

Unhandled internal error. Java heap space

Hi As your file size is too large, ...READ MORE

Jan 21, 2020 in Big Data Hadoop by anonymous
1,304 views
0 votes
1 answer

Error: Failed to locate WinUtils binary in the Hadoop Binary Path

I will redirect you to a link ...READ MORE

Jun 20, 2019 in Big Data Hadoop by ravikiran
• 4,620 points
10,559 views
0 votes
3 answers

Sqoop: java.lang.RuntimeException: Could not load db driver class: com.mysql.jdbc.Driver

I add mysql driver for sqoop and it ...READ MORE

Mar 1, 2020 in Big Data Hadoop by Manh Quang
• 180 points
7,895 views
+1 vote
1 answer

what is splunk?

Splunk is a software platform to search, ...READ MORE

Jan 24, 2020 in Big Data Hadoop by Vardhan
941 views
+1 vote
1 answer

How to append data to a parquet file?

Try using Spark API to append the ...READ MORE

Jan 11, 2019 in Big Data Hadoop by Omkar
• 69,220 points
17,234 views
0 votes
1 answer

How to check if a particular partition exists in Hive?

Hey, Basically, with the following query, we can ...READ MORE

Jun 26, 2019 in Big Data Hadoop by Gitika
• 65,770 points
10,107 views
+1 vote
2 answers

Unable to create external table on HIVE

Hi @Ozer, This error occurred because there is ...READ MORE

Nov 7, 2019 in Big Data Hadoop by Richa
4,745 views
0 votes
1 answer

How does data gets split in Sqoop?

I will drop the answer in the ...READ MORE

Jul 16, 2019 in Big Data Hadoop by ravikiran
• 4,620 points
9,108 views
0 votes
1 answer

How to convert a string to timestamp with milliseconds in Hive?

 concatenation of substrings using the following code: select ...READ MORE

Oct 31, 2018 in Big Data Hadoop by Neha
• 6,300 points
20,106 views