Search found 162 matches

by mohit123
Sat Oct 10, 2015 6:55 pm
Forum: Do You Know?
Topic: Why so many Chinese and Indian immigrants in Fremont, CA?
Replies: 0
Views: 1713

Why so many Chinese and Indian immigrants in Fremont, CA?

Why so many Chinese and Indian immigrants in Fremont, CA?
Is there any specific reason for these community based in Fremont near bay area?
by mohit123
Sun Sep 20, 2015 5:22 pm
Forum: Issue & Projects for Primary and Secondary School Student
Topic: CBSE vs other English medium school
Replies: 1
Views: 1017

Re: CBSE vs other English medium school

I think it will not make much difference. Just go for good school where they care for their future and country. don't go in money oriented school.

Most of the schools have same kind of syllabus. so find good and reputed school.
by mohit123
Sun Sep 20, 2015 5:23 am
Forum: NoSql Database like Cassndra, Mongo DB etc.
Topic: should i prefer HBase over Cassndra and Mongo DB?
Replies: 0
Views: 1509

should i prefer HBase over Cassndra and Mongo DB?

should i prefer HBase over Cassndra and Mongo DB? Hbase is suitable to store petabyte of data?
by mohit123
Sun Sep 20, 2015 5:21 am
Forum: NoSql Database like Cassndra, Mongo DB etc.
Topic: Cassndra vs Mongo DB
Replies: 0
Views: 1458

Cassndra vs Mongo DB

what is the difference between Cassndra and Mongo DB? I have to choose one of them on top of hadoop. I have simple requirement to store data with size of peta byte.

Is there any one who have experience in both of them? can anyone help me to select right one?
by mohit123
Sat Sep 19, 2015 4:25 pm
Forum: PostgreSQL, MySQL, SQL Server, SQL,PL/SQL, TeraData Developer and DataBase Administration
Topic: how to execute mysql query in php?
Replies: 1
Views: 759

Re: how to execute mysql query in php?

use below code:

query = "UPDATE table SET table_count = '1' WHERE table_approved = '0'";
$result = mysql_query($query) or die(mysql_error());
by mohit123
Sat Sep 19, 2015 4:22 pm
Forum: PostgreSQL, MySQL, SQL Server, SQL,PL/SQL, TeraData Developer and DataBase Administration
Topic: how to update count total in each id during the myql update query?
Replies: 0
Views: 1742

how to update count total in each id during the myql update query?

how to update count total in each id during the myql update query? I have to count the total post and need to add it in unique topic id. How i can update it correctly in mysql? i want to counrt number of post num and want to add it in total topic. UPDATE phpbb_topics AS b INNER JOIN phpbb_posts AS g...
by mohit123
Sat Sep 19, 2015 7:24 am
Forum: Do You Know?
Topic: The truth of Patel's Resrvation and Gujarat Riot 2015
Replies: 3
Views: 526

Re: The truth of Patel's Resrvation and Gujarat Riot 2015

Good article. its true but some selfish people will articulate it negatively. but lets hope india will be free of reservation.
by mohit123
Thu Sep 17, 2015 6:56 pm
Forum: Hadoop and Big Data
Topic: Sqoop: java.lang.RuntimeException: Table Table_Credit_Agreement does not have primary key. Please use --split-by argument if applicable
Replies: 0
Views: 1562

Sqoop: java.lang.RuntimeException: Table Table_Credit_Agreement does not have primary key. Please use --split-by argument if applicable

Hi, I got below error while importing table from teradata to hdfs. root> sqoop import --connect jdbc:teradata://localhost/DATABASE=DB_AGREE,logmech=ldap --username test --password test --table Kofax_Credit_Agreement --num-mappers 3 -- escaped-by '\\' --fields-terminated-by ',' --lines-terminated-by ...
by mohit123
Tue Sep 15, 2015 9:33 pm
Forum: health and food
Topic: JUICE
Replies: 1
Views: 594

Re: JUICE

I think veggie juice is best for children.
Mix spinach, banana and other vegetable. it will test best.
by mohit123
Tue Sep 15, 2015 9:31 pm
Forum: health and food
Topic: Exercises for Men
Replies: 1
Views: 472

Re: Exercises for Men

I think best exercise is running, swimming and cycling for any gender.
by mohit123
Tue Sep 15, 2015 6:13 pm
Forum: Hadoop and Big Data
Topic: Warning message: Can't connect to the database with given credentials: No suitable driver found for jdbc:teradata:
Replies: 1
Views: 592

Warning message: Can't connect to the database with given credentials: No suitable driver found for jdbc:teradata:

I am trying to connect with Teradata using sqoop2. I am getting error for driver. I have ldap user in Teradata. is there any different way to access ldap user in sqoop2? I entered below value while making connection: sqoop:000> create connection --cid 1 Creating connection for connector with id 1 Pl...
by mohit123
Tue Sep 15, 2015 6:01 pm
Forum: Hadoop and Big Data
Topic: Sqoop2 error: Exception: org.codehaus.groovy.control.MultipleCompilationErrorsException Message: startup failed
Replies: 1
Views: 719

Sqoop2 error: Exception: org.codehaus.groovy.control.MultipleCompilationErrorsException Message: startup failed

I amgetting below error in sqoop2. sqoop:000> sqoop import --connect jdbc:teradata://localhost/DATABASE=BOA_WRTA --username 4yu6111 --password weldone--table test_Credit_Agreement --num-mappers 3 --escaped-by '\\' --fields-terminated-by ',' --lines-terminated-by '\n' Exception has occurred during pr...
by mohit123
Mon Sep 14, 2015 11:51 pm
Forum: PostgreSQL, MySQL, SQL Server, SQL,PL/SQL, TeraData Developer and DataBase Administration
Topic: How to identify non English words using mysql Regexp?
Replies: 1
Views: 651

How to identify non English words using mysql Regexp?

How to identify non English words using mysql Regexp?

How can I make my MySQL queries with regexp more intelligent so as to catch the any non English word hiding with the sentences?

REGEXP '^non-English$'

Thanks,
by mohit123
Mon Sep 14, 2015 5:17 pm
Forum: NoSql Database like Cassndra, Mongo DB etc.
Topic: splicemachine ERROR 08001: java.net.ConnectException
Replies: 2
Views: 788

splicemachine ERROR 08001: java.net.ConnectException

We have upgrade cloudera from 5.1 to 5.2.1. After upgrade we see the below error in splicemachine and we have doubt that cloudera 5.2.1 is not supported by splice. [root@user123 splice]# . ./sqlshell.sh ========= rlwrap not detected. Consider installing for command line history capabilities. =======...
by mohit123
Sat May 02, 2015 1:44 am
Forum: Do You Know?
Topic: traffic To Make $100,000 With Google AdSense
Replies: 2
Views: 809

traffic To Make $100,000 With Google AdSense

Is it really possible to make $100,000 a year from Google AdSense? How Much Traffic Do You Need To Make $100,000 With Google AdSense?
by mohit123
Sun Apr 19, 2015 10:32 pm
Forum: Hadoop and Big Data
Topic: where I should use map join or reduce join?
Replies: 2
Views: 593

where I should use map join or reduce join?

How can I determine that where I should use map join or reduce join?
by mohit123
Sun Apr 19, 2015 10:30 pm
Forum: Hadoop and Big Data
Topic: what is speculative execution?
Replies: 1
Views: 542

what is speculative execution?

what is speculative execution?
by mohit123
Sun Apr 19, 2015 5:54 pm
Forum: Hadoop and Big Data
Topic: sequence file format and avro file
Replies: 2
Views: 757

sequence file format and avro file

what is the need to do sequence file format...and avro file...
actually which are not understandable by human...then what is the need to do??
by mohit123
Sat Apr 11, 2015 4:30 pm
Forum: NoSql Database like Cassndra, Mongo DB etc.
Topic: What is Cassandra DB?
Replies: 1
Views: 709

What is Cassandra DB?

Hi all . anyboady know. What is Cassandra DB? is it better course or not?

anybody teach this cassandra course in Hyd? any institute Cassandra in hyderabad location? plz
by mohit123
Fri Apr 10, 2015 11:31 pm
Forum: Do You Know?
Topic: Review for Dr. Ashima Madan mountain view CA
Replies: 1
Views: 442

Review for Dr. Ashima Madan mountain view CA

Hi,

Anyone visited Dr. Ashima Madan? I am looking for good pediatricians for my 2 year old son. it will be good if i get review.
by mohit123
Fri Apr 10, 2015 11:28 pm
Forum: Do You Know?
Topic: Review for Dr. Mina Sehhat MD sunnyvale CA
Replies: 1
Views: 442

Review for Dr. Mina Sehhat MD sunnyvale CA

Hi,
Anyone visited Dr. Mina Sehhat? i am planning to visit her for my 2 year old son. Any review for the doctor?
by mohit123
Thu Apr 09, 2015 5:36 pm
Forum: Hadoop and Big Data
Topic: ERROR 1064 (42000): You have an error in your SQL
Replies: 1
Views: 1910

ERROR 1064 (42000): You have an error in your SQL

i am getting error in sqoop import command...plz help to know what is wrong in this syntax............................. mysql> sqoop import --connect jdbc:mysql://localhost/training --username root --table countries --m 1; ERROR 1064 (42000): You have an error in your SQL syntax; check the manual th...
by mohit123
Thu Apr 09, 2015 5:11 pm
Forum: Hadoop and Big Data
Topic: Error: org.apache.hadoop.hive.ql.exec.MapRedTask
Replies: 1
Views: 601

Error: org.apache.hadoop.hive.ql.exec.MapRedTask

1>loaded twitter data into hadoop using flume 2>created table in hive as structure data(example: table will contain id and tweets ) 3>while selecting data from table(2) (example: selecting tweets), i am getting following error Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.MapRed...
by mohit123
Thu Apr 09, 2015 5:10 pm
Forum: Hadoop and Big Data
Topic: catalina.sh: No such file or directory
Replies: 1
Views: 655

catalina.sh: No such file or directory

After installing Sqoop1.99.2 in Hadoop2.6.0 ,When i trying to start sqoop server ,it give following error - hduser@ubuntu:/usr/local/sqoop/dist/src/main/bin$ sqoop.sh server start Sqoop home directory: /usr/local/sqoop/dist/src/main Setting SQOOP_HTTP_PORT: 12000 Setting SQOOP_ADMIN_PORT: 12001 Usin...
by mohit123
Fri Dec 05, 2014 12:57 am
Forum: Hadoop and Big Data
Topic: ERROR org.apache.hadoop.hdfs.server.datanode.DataNode
Replies: 1
Views: 1439

ERROR org.apache.hadoop.hdfs.server.datanode.DataNode

the datanodes is not starting when I run script bin/start-dfs.sh.

Error in starting Datanode - ERROR org.apache.hadoop.hdfs.server.datanode.DataNode: java.io.IOException: Incompatible namespaceIDs in
by mohit123
Thu Nov 27, 2014 8:29 am
Forum: Do You Know?
Topic: what is blasphemous?
Replies: 1
Views: 798

what is blasphemous?

what is blasphemous? or What is Blasphemy?
by mohit123
Tue Nov 25, 2014 10:26 pm
Forum: Do You Know?
Topic: Who is responsible for removal of Yadava dynasty?
Replies: 1
Views: 625

Who is responsible for removal of Yadava dynasty?

is Lord Krishna himself responsible for destruction of Yadava dynasty? If Knot Krishna then Who is responsible for removal of Yadava dynasty?
by mohit123
Tue Nov 25, 2014 9:17 pm
Forum: Do You Know?
Topic: How many Sons did Lord krishna had?
Replies: 1
Views: 591

How many Sons did Lord krishna had?

How many Sons did Lord krishna had?
by mohit123
Tue Nov 25, 2014 9:11 pm
Forum: Do You Know?
Topic: How many wives did Lord Krishna actually have?
Replies: 1
Views: 516

How many wives did Lord Krishna actually have?

I heard Krishna had 16000 wives. How many wives did Lord Krishna actually have?
by mohit123
Wed Nov 19, 2014 6:38 pm
Forum: Do You Know?
Topic: What is PBDIT? What is PBDIT in Company'e earning?
Replies: 1
Views: 874

What is PBDIT? What is PBDIT in Company'e earning?

What is PBDIT? I have seen PBDIT in company's quarterly results given on Moneycontrol.com.
by mohit123
Tue Nov 11, 2014 12:02 am
Forum: Hadoop and Big Data
Topic: when to use nullwritable in hadoop Map Reduce?
Replies: 1
Views: 650

when to use nullwritable in hadoop Map Reduce?

when to use nullwritable in hadoop Map Reduce? I want to know Advantages of using NullWritable in Hadoop.
by mohit123
Tue Nov 11, 2014 12:00 am
Forum: Hadoop and Big Data
Topic: difference between 0 reducer and identity reducer in hadoop
Replies: 2
Views: 964

difference between 0 reducer and identity reducer in hadoop

What is the difference between 0 reducer and identity reducer in hadoop Map Reduce? Can any one explain 0 reducer and identity reducer in Hadoop Map Reduce?
by mohit123
Sat Oct 25, 2014 12:29 am
Forum: Hadoop and Big Data
Topic: error during Exporting the MySQL data using Sqoop
Replies: 1
Views: 550

error during Exporting the MySQL data using Sqoop

I am getting below error during Exporting the MySQL data using Sqoop INFO mapred.JobClient: Running job: job_201109231_0785 INFO mapred.JobClient: map 0% reduce 0% INFO mapred.JobClient: Task Id : attempt_job_201109231_0785 _m_000000_0, Status : FAILED java.lang.NullPointerException at com.cloudera....
by mohit123
Sat Oct 25, 2014 12:09 am
Forum: Hadoop and Big Data
Topic: troubleshoot data when importing from MySql to Hive
Replies: 1
Views: 647

troubleshoot data when importing from MySql to Hive

How i can troubleshoot my data table when it importing from MySql to Hive?
by mohit123
Sat Oct 25, 2014 12:03 am
Forum: Hadoop and Big Data
Topic: Case-Sensitive Catalog Query error in sqoop
Replies: 2
Views: 1166

Case-Sensitive Catalog Query error in sqoop

Getting below error in sqoop. INFO manager.OracleManager: Time zone has been set to GMT DEBUG manager.SqlManager: Using fetchSize for next query: 1000 INFO manager.SqlManager: Executing SQL statement: SELECT * FROM SAP_PRODUCT WHERE 1=0 DEBUG manager.OracleManager$ConnCache: Caching released connect...
by mohit123
Fri Oct 24, 2014 11:59 pm
Forum: Hadoop and Big Data
Topic: getting Communications link failure error for sqoop
Replies: 1
Views: 704

getting Communications link failure error for sqoop

getting Communications link failure error for swoop during connection with MySQL. I am getting below error java.lang.RuntimeException: java.lang.RuntimeException: com.mysql.jdbc.exceptions.jdbc4 .CommunicationsException: Communications link failure The last packet sent successfully to the server was...
by mohit123
Thu Oct 23, 2014 10:24 pm
Forum: Do You Know?
Topic: Tips/suggestion To Buy A Used Car in USA
Replies: 3
Views: 738

Tips/suggestion To Buy A Used Car in USA

Need a Tips/suggestion To Buy A Used Car in USA. I would like to buy new Car in USA? I never drive a car in my country. Is there any tips to Buy A Used Car in USA? Please suggest the steps or consideration to buy new car in USA?
by mohit123
Thu Oct 23, 2014 10:21 pm
Forum: Do You Know?
Topic: Preparation for Behind the Wheel Test in Santa Clara DMV
Replies: 1
Views: 2051

Preparation for Behind the Wheel Test in Santa Clara DMV

How can i prepare for Behind the Wheel Test in Santa Clara DMV? Is there any specific test which i can prefer top make driving test easy?
by mohit123
Thu Oct 23, 2014 10:18 pm
Forum: Do You Know?
Topic: Procedure to Apply Visa for Parents for USA
Replies: 0
Views: 1296

Procedure to Apply Visa for Parents for USA

Can anyone tell me the Procedure to Apply Visa for my Parents for USA?
I am on H1B. My Parents living in India. My Parents wants to visit me. What is the procedure to apply visitor Visa for my Parents in USA?
by mohit123
Thu Oct 23, 2014 10:13 pm
Forum: Do You Know?
Topic: Cost of Living in San Jose, California, USA
Replies: 7
Views: 1519

Cost of Living in San Jose, California, USA

What is the Cost of Living in San Jose, California, USA? How much can I save once I go Onsite(specifically San Jose, California, USA)?
by mohit123
Fri Oct 03, 2014 2:18 am
Forum: Do You Know?
Topic: Can i use toothpaste for a one year old baby?
Replies: 2
Views: 612

Can i use toothpaste for a one year old baby?

Can we use toothpaste for our one year old baby? he has 7 to 8 teeth.
by mohit123
Thu Oct 02, 2014 12:06 am
Forum: Hadoop and Big Data
Topic: error while running sqoop import command
Replies: 3
Views: 1499

error while running sqoop import command

I am getting bellow error while running sqoop import to hbase/hdfs. Could please help to get a possible solution. mysql --username root --password cloudera --table employee --hbase-table txns_small_hbase --column-family info --hbase-row-key emp_no --hbase-create-table root@cloudera-vm:/home/clouder...
by mohit123
Wed Sep 24, 2014 12:50 am
Forum: Hadoop and Big Data
Topic: Administration Commands in Hadoop
Replies: 1
Views: 618

Administration Commands in Hadoop

What are the Administration Commands in Hadoop?
by mohit123
Wed Sep 24, 2014 12:49 am
Forum: Hadoop and Big Data
Topic: version,CLASSNAME, classpath command in Hadoop
Replies: 1
Views: 603

version,CLASSNAME, classpath command in Hadoop

What is the use of version,CLASSNAME, classpath command in Hadoop?
by mohit123
Wed Sep 24, 2014 12:48 am
Forum: Hadoop and Big Data
Topic: queue command in Hadoop
Replies: 1
Views: 694

queue command in Hadoop

What is the use of queue command in Hadoop?
by mohit123
Wed Sep 24, 2014 12:47 am
Forum: Hadoop and Big Data
Topic: pipes command in Hadoop
Replies: 2
Views: 721

pipes command in Hadoop

What is the use of pipes command in Hadoop?
by mohit123
Wed Sep 24, 2014 12:47 am
Forum: Hadoop and Big Data
Topic: job command in Hadoop
Replies: 0
Views: 1228

job command in Hadoop

What is the use of job command in Hadoop?
by mohit123
Wed Sep 24, 2014 12:46 am
Forum: Hadoop and Big Data
Topic: jar command in Hadoop
Replies: 1
Views: 671

jar command in Hadoop

What is the use of jar command in Hadoop?
by mohit123
Wed Sep 24, 2014 12:46 am
Forum: Hadoop and Big Data
Topic: fetchdt command in Hadoop
Replies: 0
Views: 1127

fetchdt command in Hadoop

What is the use of fetchdt command in Hadoop?
by mohit123
Wed Sep 24, 2014 12:45 am
Forum: Hadoop and Big Data
Topic: fs command in Hadoop
Replies: 1
Views: 755

fs command in Hadoop

What is the use of fs command in Hadoop?
by mohit123
Wed Sep 24, 2014 12:44 am
Forum: Hadoop and Big Data
Topic: distcp command in hadoop
Replies: 1
Views: 711

distcp command in hadoop

What is the use of distcp command in hadoop?
by mohit123
Wed Sep 24, 2014 12:41 am
Forum: Hadoop and Big Data
Topic: archive command in hadoop
Replies: 0
Views: 1083

archive command in hadoop

What is the use of archive command in hadoop?
by mohit123
Wed Sep 24, 2014 12:41 am
Forum: Hadoop and Big Data
Topic: What are the Generic Options in Hadoop Command?
Replies: 0
Views: 1039

What are the Generic Options in Hadoop Command?

What are the Generic Options in Hadoop Command? What are the Generic Options in Hadoop, which i can pass during running Hadoop Command?
by mohit123
Wed Sep 24, 2014 12:37 am
Forum: Hadoop and Big Data
Topic: How to invoke hadoop commands on terminal?
Replies: 0
Views: 1153

How to invoke hadoop commands on terminal?

How to invoke hadoop commands on terminal?
by mohit123
Wed Sep 24, 2014 12:35 am
Forum: Hadoop and Big Data
Topic: touchz command in Hadoop File System
Replies: 0
Views: 1141

touchz command in Hadoop File System

What is the use of touchz command in Hadoop File System?
by mohit123
Wed Sep 24, 2014 12:34 am
Forum: Hadoop and Big Data
Topic: text command in Hadoop File System
Replies: 0
Views: 1043

text command in Hadoop File System

What is the use of text command in Hadoop File System?
by mohit123
Wed Sep 24, 2014 12:33 am
Forum: Hadoop and Big Data
Topic: test command in Hadoop File System
Replies: 0
Views: 1114

test command in Hadoop File System

What is the use of test command in Hadoop File System?
by mohit123
Wed Sep 24, 2014 12:31 am
Forum: Hadoop and Big Data
Topic: stat command in Hadoop File System
Replies: 0
Views: 1106

stat command in Hadoop File System

What is the use of stat command in Hadoop File System?
by mohit123
Wed Sep 24, 2014 12:24 am
Forum: Hadoop and Big Data
Topic: setrep command in Hadoop File System
Replies: 0
Views: 1083

setrep command in Hadoop File System

What is the use of setrep command in Hadoop File System?
by mohit123
Wed Sep 24, 2014 12:20 am
Forum: Hadoop and Big Data
Topic: rm and rmr command in Hadoop File System
Replies: 1
Views: 1083

rm and rmr command in Hadoop File System

Difference between rm and rmr command in Hadoop File System?
by mohit123
Wed Sep 24, 2014 12:14 am
Forum: Hadoop and Big Data
Topic: getmerge command in Hadoop File System
Replies: 3
Views: 777

getmerge command in Hadoop File System

What is the getmerge command in Hadoop File System?
by mohit123
Wed Sep 24, 2014 12:13 am
Forum: Hadoop and Big Data
Topic: expunge command in Hadoop File System
Replies: 0
Views: 1057

expunge command in Hadoop File System

What is the expunge command in Hadoop File System?
by mohit123
Wed Sep 24, 2014 12:13 am
Forum: Hadoop and Big Data
Topic: du and dus command in Hadoop File System
Replies: 0
Views: 1401

du and dus command in Hadoop File System

What is the use of du and dus command in Hadoop File System?
by mohit123
Wed Sep 24, 2014 12:12 am
Forum: Hadoop and Big Data
Topic: moveFromLocal and moveToLocal command in Hadoop File System
Replies: 0
Views: 1163

moveFromLocal and moveToLocal command in Hadoop File System

What is the use of moveFromLocal and moveToLocal command in Hadoop File System?
by mohit123
Wed Sep 24, 2014 12:11 am
Forum: Hadoop and Big Data
Topic: count File System shell command in Hadoop
Replies: 0
Views: 1156

count File System shell command in Hadoop

What is the use of count File System shell command in Hadoop? What is the use of count command in hadoop?
by mohit123
Wed Sep 24, 2014 12:08 am
Forum: Hadoop and Big Data
Topic: copyFromLocal and copyToLocal command in Hadoop File System
Replies: 0
Views: 1163

copyFromLocal and copyToLocal command in Hadoop File System

Can you explain use of copyFromLocal and copyToLocal command in Hadoop File System?
by mohit123
Wed Sep 24, 2014 12:06 am
Forum: Hadoop and Big Data
Topic: FS (File System) shell commands in Hadoop
Replies: 0
Views: 1061

FS (File System) shell commands in Hadoop

Which are the main FS (File System) shell commands in Hadoop?
Which are the File System (FS) shell Command (includes various shell-like commands) that directly interact with the Hadoop Distributed File System (HDFS)?
by mohit123
Tue Sep 23, 2014 10:43 pm
Forum: Hadoop and Big Data
Topic: File System (FS) shell in Hadoop
Replies: 0
Views: 1221

File System (FS) shell in Hadoop

What is File System (FS) shell in Hadoop?
by mohit123
Tue Sep 23, 2014 10:09 pm
Forum: Hadoop and Big Data
Topic: install hadoop in Pseudo-Distributed Mode
Replies: 1
Views: 713

install hadoop in Pseudo-Distributed Mode

How to install hadoop in Pseudo-Distributed Mode? How to install hadoop in Pseudo-Distributed Operation?
by mohit123
Tue Sep 23, 2014 10:08 pm
Forum: Hadoop and Big Data
Topic: install hadoop in Local (Standalone) Mode
Replies: 0
Views: 1044

install hadoop in Local (Standalone) Mode

How to install hadoop in Local (Standalone) Mode? How to install hadoop in Local (Standalone) Operation?
by mohit123
Tue Sep 23, 2014 7:39 pm
Forum: Hadoop and Big Data
Topic: What is SequenceFile Formats?
Replies: 1
Views: 505

What is SequenceFile Formats?

What is SequenceFile? What is SequenceFile Formats?
by mohit123
Tue Sep 23, 2014 7:39 pm
Forum: Hadoop and Big Data
Topic: What is SequenceFile?
Replies: 1
Views: 714

What is SequenceFile?

What is SequenceFile?
by mohit123
Tue Sep 23, 2014 2:39 am
Forum: Hadoop and Big Data
Topic: Can i use Windows for Hadoop?
Replies: 1
Views: 772

Can i use Windows for Hadoop?

Can i use Windows for Hadoop? Can i use Windows for Hadoop practice?
by mohit123
Tue Sep 23, 2014 2:36 am
Forum: Hadoop and Big Data
Topic: What happens to a Namenode, if job tracker is down?
Replies: 1
Views: 891

What happens to a Namenode, if job tracker is down?

What happens to a Namenode, when job tracker is down?
by mohit123
Tue Sep 23, 2014 2:34 am
Forum: Hadoop and Big Data
Topic: What is SSH? What is the port number for SSH?
Replies: 1
Views: 704

What is SSH? What is the port number for SSH?

What is SSH? What is the port number for SSH?
by mohit123
Tue Sep 23, 2014 2:32 am
Forum: Hadoop and Big Data
Topic: files used for startup and shutdown commands in Hadoop
Replies: 1
Views: 510

files used for startup and shutdown commands in Hadoop

Which files are used by the startup and shutdown commands in Hadoop?
by mohit123
Tue Sep 23, 2014 2:28 am
Forum: Hadoop and Big Data
Topic: ‘connection refused java exception’ for hadoop fsck
Replies: 1
Views: 642

‘connection refused java exception’ for hadoop fsck

getting ‘connection refused java exception’ when i type hadoop fsck /?
by mohit123
Tue Sep 23, 2014 2:11 am
Forum: Hadoop and Big Data
Topic: fs.checkpoint.dir property in Hadoop hdfs-site.xml
Replies: 1
Views: 568

fs.checkpoint.dir property in Hadoop hdfs-site.xml

What is the fs.checkpoint.dir property in Hadoop hdfs-site.xml?
by mohit123
Tue Sep 23, 2014 2:10 am
Forum: Hadoop and Big Data
Topic: dfs.data.dir property in Hadoop hdfs-site.xml
Replies: 1
Views: 506

dfs.data.dir property in Hadoop hdfs-site.xml

What is the dfs.data.dir property in Hadoop hdfs-site.xml?
by mohit123
Tue Sep 23, 2014 2:08 am
Forum: Hadoop and Big Data
Topic: dfs.name.dir property in Hadoop hdfs-site.xml
Replies: 1
Views: 683

dfs.name.dir property in Hadoop hdfs-site.xml

What is dfs.name.dir property in Hadoop hdfs-site.xml?
by mohit123
Tue Sep 23, 2014 2:07 am
Forum: Hadoop and Big Data
Topic: What is a spill factor in Hadoop MapReduce?
Replies: 1
Views: 586

What is a spill factor in Hadoop MapReduce?

What is a spill factor in Hadoop MapReduce?
by mohit123
Tue Sep 23, 2014 2:06 am
Forum: Hadoop and Big Data
Topic: default port number for jobtracker, tasktracker and Namenode
Replies: 2
Views: 1539

Re: default port number for jobtracker, tasktracker and Name

The port number for Namenode is ’50070′, for job tracker is ’50030′ and for task tracker is ’50060′.
by mohit123
Tue Sep 23, 2014 2:04 am
Forum: Hadoop and Big Data
Topic: In which directory Hadoop will install?
Replies: 2
Views: 622

In which directory Hadoop will install?

In which directory Hadoop is installed?
by mohit123
Tue Sep 23, 2014 2:00 am
Forum: Hadoop and Big Data
Topic: when to use Stand alone (local) mode in Hadoop?
Replies: 1
Views: 605

when to use Stand alone (local) mode in Hadoop?

when to use Stand alone (local) mode in Hadoop?
by mohit123
Tue Sep 23, 2014 1:58 am
Forum: Hadoop and Big Data
Topic: What is the Nlineoutputformat in Hadoop?
Replies: 2
Views: 737

What is the Nlineoutputformat in Hadoop?

What is the Nlineoutputformat in Hadoop?
by mohit123
Tue Sep 23, 2014 1:57 am
Forum: Hadoop and Big Data
Topic: What is Sequencefileinputformat in Hadoop MapReduce?
Replies: 1
Views: 750

What is Sequencefileinputformat in Hadoop MapReduce?

What is Sequencefileinputformat in Hadoop MapReduce?
by mohit123
Tue Sep 23, 2014 1:55 am
Forum: Hadoop and Big Data
Topic: use of job conf class in Hadoop MapReduce
Replies: 2
Views: 636

use of job conf class in Hadoop MapReduce

What is the use of job conf class in Hadoop MapReduce? Why we need ob conf class in Hadoop MapReduce?
by mohit123
Tue Sep 23, 2014 1:54 am
Forum: Hadoop and Big Data
Topic: how the Text input format works in Hadoop MapReduce
Replies: 1
Views: 699

how the Text input format works in Hadoop MapReduce

how does the Text input format works in Hadoop MapReduce?
by mohit123
Tue Sep 23, 2014 1:52 am
Forum: Hadoop and Big Data
Topic: parameters of mappers and reducers in Hadoop Map Reduce?
Replies: 2
Views: 699

Re: parameters of mappers and reducers in Hadoop Map Reduce?

The four basic parameters of a mapper are LongWritable, text, text and IntWritable. The first two represent input Key,Value parameters and the second two represent intermediate output Key,Value parameters. The four basic parameters of a reducer are text, IntWritable, text, IntWritable. The first tw...
by mohit123
Tue Sep 23, 2014 1:43 am
Forum: Hadoop and Big Data
Topic: two types of ‘writes’ in HDFS
Replies: 1
Views: 641

two types of ‘writes’ in HDFS

Which are the two types of ‘writes’ in Hadoop HDFS?
by mohit123
Tue Sep 23, 2014 1:42 am
Forum: Hadoop and Big Data
Topic: Gen1 and Gen2 Hadoop with regards to the Namenode
Replies: 1
Views: 533

Gen1 and Gen2 Hadoop with regards to the Namenode

What is the difference between Gen1 and Gen2 Hadoop with regards to the Namenode?
by mohit123
Tue Sep 23, 2014 1:36 am
Forum: Hadoop and Big Data
Topic: What is a rack?
Replies: 1
Views: 648

What is a rack?

What is a rack? What is a rack in cluster?
by mohit123
Tue Sep 23, 2014 1:35 am
Forum: Hadoop and Big Data
Topic: increase the datanodes in hadoop cluster
Replies: 1
Views: 496

increase the datanodes in hadoop cluster

If i will increase the datanodes in hadoop cluster, then do i need to upgrade Namenode?
by mohit123
Tue Sep 23, 2014 1:34 am
Forum: Hadoop and Big Data
Topic: If a data Node is full how it’s identified by hadoop?
Replies: 1
Views: 578

If a data Node is full how it’s identified by hadoop?

How hadoop identify a data Node is full or reach the capacity? If a data Node is full how it’s identified by hadoop?
by mohit123
Tue Sep 23, 2014 1:33 am
Forum: Hadoop and Big Data
Topic: How indexing is done in HDFS?
Replies: 1
Views: 606

How indexing is done in HDFS?

How indexing is done in Hadoop HDFS?
by mohit123
Tue Sep 23, 2014 1:32 am
Forum: Hadoop and Big Data
Topic: What is a ‘block’ in HDFS?
Replies: 1
Views: 627

What is a ‘block’ in HDFS?

What is a ‘block’ in HDFS?
by mohit123
Tue Sep 23, 2014 1:32 am
Forum: Hadoop and Big Data
Topic: heartbeats in Hadoop
Replies: 2
Views: 824

Re: heartbeats in Hadoop

A heartbeat is a signal which indicating that who is giving heartbeat,it is alive. A datanode sends heartbeat to Namenode and task tracker sends heart beat to job tracker. They are saying they are active. If the Namenode or job tracker does not receive heart beat then they will decide that there is...
by mohit123
Tue Sep 23, 2014 1:29 am
Forum: Hadoop and Big Data
Topic: What is a daemon in Hadoop?
Replies: 1
Views: 598

What is a daemon in Hadoop?

What is a daemon in Hadoop?
by mohit123
Tue Sep 23, 2014 1:28 am
Forum: Hadoop and Big Data
Topic: throughput for Data stored on HDFS
Replies: 1
Views: 442

throughput for Data stored on HDFS

What is throughput? How does Data stored on HDFS get a good throughput?
by mohit123
Tue Sep 23, 2014 1:20 am
Forum: Hadoop and Big Data
Topic: Why hadoop is Fault Tolerance?
Replies: 1
Views: 508

Why hadoop is Fault Tolerance?

What is Fault Tolerance in Hadoop? Why hadoop is Fault Tolerance?
by mohit123
Tue Sep 23, 2014 1:19 am
Forum: Hadoop and Big Data
Topic: structured data vs unstructured data
Replies: 1
Views: 636

structured data vs unstructured data

What is the difference between structured data and unstructured data?
by mohit123
Mon Sep 22, 2014 6:48 pm
Forum: Hadoop and Big Data
Topic: Hadoop’s Serialization versus Java’s Serializable
Replies: 1
Views: 501

Hadoop’s Serialization versus Java’s Serializable

What is the difference between Hadoop’s Serialization using Writable and Java’s Serializable?
What is the difference between Hadoop’s Writable and Java’s Serializable?
by mohit123
Sun Sep 21, 2014 9:33 pm
Forum: Hadoop and Big Data
Topic: serialization in Hadoop vs serialization in Java
Replies: 1
Views: 858

serialization in Hadoop vs serialization in Java

What is the difference between serialization in Hadoop and serialization in Java?
by mohit123
Sun Sep 21, 2014 9:32 pm
Forum: Hadoop and Big Data
Topic: What is data serialization in Hadoop?
Replies: 1
Views: 595

Re: What is data serialization in Hadoop?

Serialization is the process of converting object data into byte stream data for transmission over a network across different nodes in a Hadoop cluster for persistent data storage. Serilaization is the process of converting structured objects into a byte stream. It is done basically for two purpose...
by mohit123
Sun Sep 21, 2014 4:55 am
Forum: Hadoop and Big Data
Topic: Application Master in YARN architecture
Replies: 1
Views: 402

Application Master in YARN architecture

What is the role of Application Master in YARN architecture?
by mohit123
Sun Sep 21, 2014 4:55 am
Forum: Hadoop and Big Data
Topic: main components of YARN architecture
Replies: 1
Views: 682

main components of YARN architecture

What are the main components of YARN architecture?
by mohit123
Sun Sep 21, 2014 4:54 am
Forum: Hadoop and Big Data
Topic: configuration parameter to run Hadoop Mapreduce Job
Replies: 1
Views: 378

configuration parameter to run Hadoop Mapreduce Job

What are the Main configuration parameters that user need to specify to run Hadoop Mapreduce Job?
by mohit123
Sun Sep 21, 2014 4:53 am
Forum: Hadoop and Big Data
Topic: What are the main components of Mapreduce Job?
Replies: 1
Views: 385

What are the main components of Mapreduce Job?

What are the main components of Hadoop Mapreduce Job?
by mohit123
Sun Sep 21, 2014 4:52 am
Forum: Hadoop and Big Data
Topic: What is deserialization of data in Hadoop?
Replies: 1
Views: 408

What is deserialization of data in Hadoop?

What is deserialization of data in Hadoop?
by mohit123
Sun Sep 21, 2014 4:52 am
Forum: Hadoop and Big Data
Topic: What is data serialization in Hadoop?
Replies: 1
Views: 595

What is data serialization in Hadoop?

What is data serialization in Hadoop?
by mohit123
Sun Sep 21, 2014 4:51 am
Forum: Hadoop and Big Data
Topic: What is YARN in Hadoop?
Replies: 1
Views: 443

What is YARN in Hadoop?

What is YARN in Hadoop? What is the use of YARN in Hadoop?
by mohit123
Sun Sep 21, 2014 4:49 am
Forum: Hadoop and Big Data
Topic: What is NullWritable in Hadoop MapReduce?
Replies: 1
Views: 794

What is NullWritable in Hadoop MapReduce?

What is NullWritable in Hadoop MapReduce? how is it different from other Writable data types in hadoop MapReduce?
by mohit123
Sun Sep 21, 2014 4:48 am
Forum: Hadoop and Big Data
Topic: primitive data types in Hadoop MapReduce
Replies: 1
Views: 643

primitive data types in Hadoop MapReduce

What are the primitive data types in Hadoop MapReduce?
by mohit123
Sun Sep 21, 2014 4:44 am
Forum: Hadoop and Big Data
Topic: constraints on combiner implementation in MapReduce
Replies: 1
Views: 388

constraints on combiner implementation in MapReduce

What is a combiner in MapReduce? What are the constraints on combiner implementation in MapReduce?
by mohit123
Sun Sep 21, 2014 4:44 am
Forum: Hadoop and Big Data
Topic: add multiple mappers and reducer classes in hadoop MapReduce
Replies: 1
Views: 502

add multiple mappers and reducer classes in hadoop MapReduce

How to add multiple mappers and reducer classes in hadoop MapReduce?
How can i add multiple mappers and reducer classes in Chain Mapper or Chain Reducer classes in hadoop MapReduce?
by mohit123
Sun Sep 21, 2014 4:42 am
Forum: Hadoop and Big Data
Topic: chain Mapper and chain reducer in hadoop
Replies: 1
Views: 1377

chain Mapper and chain reducer in hadoop

What is the chain Mapper and chain reducer in hadoop MapReduce?
by mohit123
Sun Sep 21, 2014 4:42 am
Forum: Hadoop and Big Data
Topic: identity Mapper and identity Reducer in Hadoop
Replies: 1
Views: 531

identity Mapper and identity Reducer in Hadoop

What is the identity Mapper and identity Reducer in Hadoop MapReduce?
by mohit123
Sun Sep 21, 2014 4:41 am
Forum: Hadoop and Big Data
Topic: Name of output files from Map phase and Reduce Phase
Replies: 1
Views: 435

Name of output files from Map phase and Reduce Phase

What are the default naming conventions for output files from Map phase and Reduce Phase in Hadoop MapReduce?
by mohit123
Sun Sep 21, 2014 4:40 am
Forum: Hadoop and Big Data
Topic: MapWritable data types in Hadoop
Replies: 1
Views: 585

MapWritable data types in Hadoop

What are the MapWritable data types available in Hadoop?
by mohit123
Sun Sep 21, 2014 4:39 am
Forum: Hadoop and Big Data
Topic: Writable arrays in Hadoop
Replies: 1
Views: 471

Writable arrays in Hadoop

How to create Writable arrays in Hadoop?
by mohit123
Sun Sep 21, 2014 4:38 am
Forum: Hadoop and Big Data
Topic: ObjectWritable data type in Hadoop
Replies: 1
Views: 568

ObjectWritable data type in Hadoop

What is ObjectWritable data type in Hadoop? Where to use ObjectWritable data type in Hadoop?
by mohit123
Sun Sep 21, 2014 4:37 am
Forum: Hadoop and Big Data
Topic: multiple value type output from Mapper in Map Reduce
Replies: 1
Views: 398

multiple value type output from Mapper in Map Reduce

How to create multiple value type output from Mapper with IntWritable and Text Writable?
by mohit123
Sun Sep 21, 2014 4:20 am
Forum: Hadoop and Big Data
Topic: What is the GenericWritable class in MapReduce?
Replies: 2
Views: 779

What is the GenericWritable class in MapReduce?

What is the GenericWritable class in MapReduce? What is the use of GenericWritable class MapReduce?
by mohit123
Sun Sep 21, 2014 4:17 am
Forum: Hadoop and Big Data
Topic: String data type and Text data type in Java Hadoop
Replies: 1
Views: 462

String data type and Text data type in Java Hadoop

What is Text data type in Hadoop? what are the differences between String data type and Text data type in Java Hadoop?
by mohit123
Sun Sep 21, 2014 4:15 am
Forum: Hadoop and Big Data
Topic: phases of the Mapper and Reducer in Map Reduce
Replies: 1
Views: 442

phases of the Mapper and Reducer in Map Reduce

What are the main phases of the Mapper and Reducer in Map Reduce?
by mohit123
Sun Sep 21, 2014 4:07 am
Forum: Hadoop and Big Data
Topic: Can Reducers talk with each other?
Replies: 1
Views: 404

Can Reducers talk with each other?

Can Reducers talk with each other in Map reduce Job?
by mohit123
Sun Sep 21, 2014 4:02 am
Forum: Hadoop and Big Data
Topic: What is the use of Context object in MapReduce?
Replies: 1
Views: 954

What is the use of Context object in MapReduce?

What is Context object in Map and Reduce method? What is the use of Context object in MapReduce?
by mohit123
Sun Sep 21, 2014 3:59 am
Forum: Hadoop and Big Data
Topic: don’t override the mapper methods in MapReduce
Replies: 1
Views: 439

don’t override the mapper methods in MapReduce

What happens if i don’t override the mapper methods and keep them as it is?
by mohit123
Sun Sep 21, 2014 3:57 am
Forum: Hadoop and Big Data
Topic: Where output of the Reduce tasks are stored in Hadoop?
Replies: 1
Views: 586

Where output of the Reduce tasks are stored in Hadoop?

Where the output of the Reduce tasks are stored in Hadoop?
by mohit123
Sun Sep 21, 2014 3:48 am
Forum: Hadoop and Big Data
Topic: When will the reduce() method called in Hadoop Mapreduce
Replies: 2
Views: 638

When will the reduce() method called in Hadoop Mapreduce

When will the reduce() method will be called from reducers in Mapreduce job flow? When will the reduce() method start executing?
by mohit123
Sun Sep 21, 2014 3:47 am
Forum: Hadoop and Big Data
Topic: Advantages of small input split size in Hadoop
Replies: 1
Views: 430

Advantages of small input split size in Hadoop

What are the advantages and disadvantages of small input split size in Hadoop?
by mohit123
Sun Sep 21, 2014 3:39 am
Forum: Hadoop and Big Data
Topic: What happens if number of reducers are zero?
Replies: 1
Views: 525

What happens if number of reducers are zero?

can i set number of reducers to zero? What happens if number of reducers are zero?
by mohit123
Sun Sep 21, 2014 3:37 am
Forum: Hadoop and Big Data
Topic: mapred.reduce.parallel.copies parameter in hadoop
Replies: 1
Views: 399

mapred.reduce.parallel.copies parameter in hadoop

What is mapred.reduce.parallel.copies parameter in hadoop MapReduce? What is copy phase in Reduce tasks of MapReduce?
by mohit123
Sun Sep 21, 2014 2:37 am
Forum: Hadoop and Big Data
Topic: Will data locality possible in reducer phase of MapReduce?
Replies: 1
Views: 510

Will data locality possible in reducer phase of MapReduce?

Will data locality optimization possible in reducer phase of MapReduce?
by mohit123
Sun Sep 21, 2014 2:35 am
Forum: Hadoop and Big Data
Topic: What is Data Locality in Hadoop?
Replies: 1
Views: 602

What is Data Locality in Hadoop?

What is Data Locality in Hadoop? What is Data Locality Optimization in hadoop MapReduce?
by mohit123
Sun Sep 21, 2014 2:00 am
Forum: Hadoop and Big Data
Topic: Why distributed cache needs in hadoop
Replies: 1
Views: 433

Why distributed cache needs in hadoop

Why distributed cache needs in hadoop? Why can’t i just have the file in HDFS and have the application read it from HDFS instead of distributed cache?
by mohit123
Sun Sep 21, 2014 1:58 am
Forum: Hadoop and Big Data
Topic: How distributed cache works in Mapreduce Framework?
Replies: 1
Views: 458

How distributed cache works in Mapreduce Framework?

How distributed cache works in Mapreduce Framework?
by mohit123
Sun Sep 21, 2014 1:57 am
Forum: Hadoop and Big Data
Topic: use files or archives in Hadoop distributed cache
Replies: 1
Views: 427

use files or archives in Hadoop distributed cache

How to use files or archives in Hadoop distributed cache? How to supply files or archives to mapreduce job using distributed cache?
by mohit123
Sun Sep 21, 2014 1:55 am
Forum: Hadoop and Big Data
Topic: When to use side data distribution in Hadoop
Replies: 2
Views: 627

When to use side data distribution in Hadoop

When to use side data distribution in Hadoop? When can i use side data distribution by Job Configuration and when can i not in Hadoop?
by mohit123
Sun Sep 21, 2014 1:53 am
Forum: Hadoop and Big Data
Topic: side data distribution technique in Hadoop
Replies: 1
Views: 789

side data distribution technique in Hadoop

What is the side data distribution in Hadoop? What is the side data distribution technique in Hadoop Mapreduce framework?

How can idistribute side data using Hadoop job configuration?
by mohit123
Sun Sep 21, 2014 1:44 am
Forum: Hadoop and Big Data
Topic: heartbeats in Hadoop
Replies: 2
Views: 824

heartbeats in Hadoop

What is the heartbeats in Hadoop Framework? What is the use of heartbeats in HDFS/Mapreduce Framework?
by mohit123
Sun Sep 21, 2014 1:42 am
Forum: Hadoop and Big Data
Topic: How to debug a failed mapreduce job?
Replies: 2
Views: 507

How to debug a failed mapreduce job?

How to debug a failed mapreduce job? what are the different ways to debug a failed mapreduce job?
by mohit123
Sun Sep 21, 2014 1:36 am
Forum: Hadoop and Big Data
Topic: What is Uber task in Hadoop?
Replies: 1
Views: 1948

What is Uber task in Hadoop?

What is Uber task in Hadoop? How to configure Uber Tasks in hadoop?
by mohit123
Sun Sep 21, 2014 1:29 am
Forum: Hadoop and Big Data
Topic: How to compress the output from Map tasks in hadoop?
Replies: 1
Views: 415

How to compress the output from Map tasks in hadoop?

Can i compress the output from Map tasks in hadoop Map reduce Job? How to compress the output from Map tasks in hadoop?
by mohit123
Sun Sep 21, 2014 1:26 am
Forum: Hadoop and Big Data
Topic: compression on Output Sequence Files in Mapreduce job
Replies: 1
Views: 500

compression on Output Sequence Files in Mapreduce job

Is compression possible on Output Sequence Files in Mapreduce job? How can i compress the Output Sequence Files in Hadoop Mapreduce job?
by mohit123
Sun Sep 21, 2014 1:24 am
Forum: Hadoop and Big Data
Topic: How to compress the output from a mapreduce Job?
Replies: 1
Views: 706

How to compress the output from a mapreduce Job?

How i can compress the output from a mapreduce Job?
by mohit123
Sun Sep 21, 2014 1:23 am
Forum: Hadoop and Big Data
Topic: compression format for large sized Log files in Hadoop
Replies: 1
Views: 393

compression format for large sized Log files in Hadoop

What is best suitable compression format for large sized Log files in Hadoop?
by mohit123
Sun Sep 21, 2014 12:35 am
Forum: Hadoop and Big Data
Topic: compression codecs available hadoop
Replies: 1
Views: 434

compression codecs available hadoop

What is the compression codecs? What are the compression codecs available in hadoop?
by mohit123
Sun Sep 21, 2014 12:34 am
Forum: Hadoop and Big Data
Topic: setNumMapTasks(int) & setNumReduceTasks(int) in Mapreduce
Replies: 1
Views: 608

setNumMapTasks(int) & setNumReduceTasks(int) in Mapreduce

Are setNumMapTasks(int) & setNumReduceTasks(int) methods supported in Mapreduce JAVA API?
by mohit123
Sun Sep 21, 2014 12:32 am
Forum: Hadoop and Big Data
Topic: Mapreduce Job reducer output file blocks replicated in HDFS
Replies: 1
Views: 430

Mapreduce Job reducer output file blocks replicated in HDFS

will Mapreduce Job reducer output file blocks replicated in HDFS? Are Mapreduce Job reducer output file blocks replicated in Hadoop Cluster?
by mohit123
Sun Sep 21, 2014 12:29 am
Forum: Hadoop and Big Data
Topic: is Mapreduce Job mapper output files replicated?
Replies: 1
Views: 638

is Mapreduce Job mapper output files replicated?

is Mapreduce Job mapper output files replicated in Hadoop Cluster?
by mohit123
Sun Sep 21, 2014 12:28 am
Forum: Hadoop and Big Data
Topic: Sort the output of a Mapreduce Job globally
Replies: 1
Views: 626

Sort the output of a Mapreduce Job globally

Is the output of Mapreduce job is globally sorted for more than one Reducer? How I can globally sort the output of a Mapreduce Job?
by mohit123
Sun Sep 21, 2014 12:24 am
Forum: Hadoop and Big Data
Topic: Comparators in Hadoop Mapreduce
Replies: 2
Views: 515

Comparators in Hadoop Mapreduce

What are the Comparators in Hadoop Mapreduce?
by mohit123
Sun Sep 21, 2014 12:23 am
Forum: Hadoop and Big Data
Topic: WritableComparable vs Writable in Hadoop
Replies: 1
Views: 955

WritableComparable vs Writable in Hadoop

What is the difference between WritableComparable and Writable in Hadoop?
by mohit123
Sun Sep 21, 2014 12:22 am
Forum: Hadoop and Big Data
Topic: WritableComparable in hadoop
Replies: 1
Views: 473

WritableComparable in hadoop

What is WritableComparable in hadoop? What is the use of WritableComparable in hadoop?
by mohit123
Sun Sep 21, 2014 12:21 am
Forum: Hadoop and Big Data
Topic: Writable Interface in Hadoop
Replies: 1
Views: 422

Writable Interface in Hadoop

What is the Writable Interface in Hadoop? What is the use of Writable?
by mohit123
Sun Sep 21, 2014 12:20 am
Forum: Hadoop and Big Data
Topic: Hadoop Serialization framework
Replies: 1
Views: 550

Hadoop Serialization framework

As i know hadoop has its own Serialization framework? What is the Hadoop inbuilt Serialization framework?
by mohit123
Sun Sep 21, 2014 12:19 am
Forum: Hadoop and Big Data
Topic: How nodes in a hadoop cluster communicate?
Replies: 1
Views: 450

How nodes in a hadoop cluster communicate?

How nodes in a hadoop cluster communicate with each other?
by mohit123
Sun Sep 21, 2014 12:18 am
Forum: Hadoop and Big Data
Topic: use of serialization in Mapreduce
Replies: 1
Views: 452

use of serialization in Mapreduce

What is the use of serialization in Hadoop Mapreduce? What is the need for serialization in Mapreduce?
by mohit123
Sat Sep 20, 2014 11:50 pm
Forum: Hadoop and Big Data
Topic: compute and Storage nodes in Hadoop
Replies: 1
Views: 458

compute and Storage nodes in Hadoop

What is the compute and Storage nodes in Hadoop?
by mohit123
Sat Sep 20, 2014 11:49 pm
Forum: Hadoop and Big Data
Topic: restriction to the key and value class in hadoop
Replies: 1
Views: 467

restriction to the key and value class in hadoop

What are the restriction to the key and value class in hadoop MapReduce?

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